/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:09:28,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:09:28,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:09:28,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:09:28,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:09:28,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:09:28,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:09:28,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:09:28,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:09:28,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:09:28,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:09:28,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:09:28,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:09:28,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:09:28,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:09:28,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:09:28,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:09:28,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:09:28,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:09:28,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:09:28,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:09:28,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:09:28,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:09:28,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:09:28,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:09:28,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:09:28,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:09:28,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:09:28,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:09:28,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:09:28,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:09:28,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:09:28,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:09:28,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:09:28,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:09:28,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:09:28,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:09:28,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:09:28,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:09:28,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:09:28,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:09:28,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:09:28,482 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:09:28,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:09:28,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:09:28,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:09:28,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:09:28,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:09:28,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:09:28,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:09:28,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:09:28,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:09:28,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:09:28,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:09:28,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:09:28,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:09:28,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:09:28,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:09:28,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:09:28,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:09:28,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:09:28,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:09:28,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:09:28,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:09:28,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:09:28,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:09:28,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:09:28,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:09:28,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:09:28,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:09:28,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:09:28,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:09:28,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:09:29,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:09:29,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:09:29,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:09:29,007 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:09:29,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product01.cil.c [2020-10-27 02:09:29,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dc0c8ce9/1aa66b89be164c15bf6512ecc5c6fb9a/FLAGad9250c20 [2020-10-27 02:09:29,991 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:09:29,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product01.cil.c [2020-10-27 02:09:30,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dc0c8ce9/1aa66b89be164c15bf6512ecc5c6fb9a/FLAGad9250c20 [2020-10-27 02:09:30,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dc0c8ce9/1aa66b89be164c15bf6512ecc5c6fb9a [2020-10-27 02:09:30,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:09:30,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:09:30,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:30,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:09:30,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:09:30,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:30" (1/1) ... [2020-10-27 02:09:30,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45530abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:30, skipping insertion in model container [2020-10-27 02:09:30,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:30" (1/1) ... [2020-10-27 02:09:30,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:09:30,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:09:30,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:31,001 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:09:31,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:31,299 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:09:31,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31 WrapperNode [2020-10-27 02:09:31,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:31,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:09:31,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:09:31,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:09:31,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... [2020-10-27 02:09:31,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:09:31,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:09:31,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:09:31,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:09:31,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:09:31,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:09:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:09:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:09:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:09:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:09:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:09:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:09:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:09:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:09:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:09:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:09:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:09:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:09:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:09:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:09:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:09:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:09:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:09:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:09:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:09:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:09:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:09:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:09:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:09:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:09:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:31,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:09:31,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:09:31,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:09:31,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:09:31,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:09:31,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:09:31,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:09:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:09:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:09:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:09:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:09:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:09:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:09:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:09:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:09:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:09:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:09:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:09:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:09:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:09:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:09:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:09:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:09:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:09:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:09:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:09:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:09:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:09:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:09:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:09:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:09:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:09:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:09:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:09:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:09:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:09:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:09:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:09:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:09:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:09:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:09:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:09:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:09:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:09:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:09:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:09:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:09:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:09:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:09:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:09:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:09:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:09:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:09:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:09:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:09:34,115 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:09:34,115 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:09:34,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:34 BoogieIcfgContainer [2020-10-27 02:09:34,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:09:34,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:09:34,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:09:34,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:09:34,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:09:30" (1/3) ... [2020-10-27 02:09:34,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:34, skipping insertion in model container [2020-10-27 02:09:34,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:31" (2/3) ... [2020-10-27 02:09:34,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:34, skipping insertion in model container [2020-10-27 02:09:34,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:34" (3/3) ... [2020-10-27 02:09:34,128 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product01.cil.c [2020-10-27 02:09:34,141 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:09:34,147 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:09:34,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:09:34,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:09:34,194 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:09:34,194 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:09:34,194 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:09:34,194 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:09:34,194 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:09:34,195 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:09:34,195 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:09:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states. [2020-10-27 02:09:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 02:09:34,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:34,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:09:34,261 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:09:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:34,268 INFO L82 PathProgramCache]: Analyzing trace with hash 642677041, now seen corresponding path program 1 times [2020-10-27 02:09:34,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:34,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731903748] [2020-10-27 02:09:34,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:35,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:35,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:35,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:36,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:36,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:39,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:39,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 02:09:39,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:09:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 02:09:39,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:39,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:09:39,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:39,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:09:41,080 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:09:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:09:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:41,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 02:09:41,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:09:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:41,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:41,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:09:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:41,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:41,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:09:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:41,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:41,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:09:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:41,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:09:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:41,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:41,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:41,692 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:09:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:09:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:42,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:46,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:46,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 02:09:46,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:09:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:09:46,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:46,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:46,996 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:09:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:09:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:47,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:47,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:47,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:48,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:09:48,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:09:48,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-10-27 02:09:48,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:09:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:48,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:09:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:09:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:09:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:48,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:09:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:48,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:09:48,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 02:09:48,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:09:48,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:09:48,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:09:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:48,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:48,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:09:48,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:09:48,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:48,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:09:48,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:48,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:48,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:48,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:09:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:48,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:48,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:49,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:09:49,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:09:49,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-27 02:09:49,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:49,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:49,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:09:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:09:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:09:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:49,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:49,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:09:49,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:09:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:09:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:09:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:09:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:49,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:49,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:09:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:09:49,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:09:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:49,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:49,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:49,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:49,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:49,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:09:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:50,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:50,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:50,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:54,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:55,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 02:09:55,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:09:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:09:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:09:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:09:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:09:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:55,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:55,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2778 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:09:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:57,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:57,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:57,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:09:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:09:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:09:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:58,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:58,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:09:58,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:09:58,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:09:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:09:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:09:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:09:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:58,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:09:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:09:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:09:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:58,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 02:09:58,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731903748] [2020-10-27 02:09:58,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:09:58,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-10-27 02:09:58,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60293075] [2020-10-27 02:09:58,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 02:09:58,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:09:58,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 02:09:58,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-10-27 02:09:58,669 INFO L87 Difference]: Start difference. First operand 726 states. Second operand 24 states. [2020-10-27 02:10:01,191 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:10:03,106 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:04,316 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:05,824 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:10,965 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:10:12,180 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:12,667 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:10:14,115 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:10:14,821 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:10:15,052 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:10:17,059 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:18,478 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:10:19,689 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:21,612 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:22,826 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:24,450 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:25,692 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:28,248 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2020-10-27 02:10:29,512 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:10:32,880 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 419 DAG size of output: 415 [2020-10-27 02:10:35,776 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 412 DAG size of output: 407 [2020-10-27 02:10:39,807 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:41,035 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:42,364 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:10:43,627 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:10:45,508 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:10:46,809 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:51,324 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:10:54,500 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 414 DAG size of output: 409 [2020-10-27 02:10:57,294 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 416 DAG size of output: 411 [2020-10-27 02:11:00,057 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 415 DAG size of output: 410 [2020-10-27 02:11:00,532 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2020-10-27 02:11:02,232 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2020-10-27 02:11:02,798 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:11:03,394 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2020-10-27 02:11:04,003 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-10-27 02:11:04,219 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:11:06,747 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:11:08,157 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:11:09,449 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:11:11,327 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:12,539 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:11:13,790 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:11:14,447 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:17,025 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2020-10-27 02:11:20,327 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:11:21,981 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:11:24,501 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 410 DAG size of output: 406 [2020-10-27 02:11:33,246 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:11:35,623 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 408 DAG size of output: 403 [2020-10-27 02:11:38,040 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 410 DAG size of output: 405 [2020-10-27 02:11:40,403 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 412 DAG size of output: 407 [2020-10-27 02:11:40,888 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-10-27 02:11:41,616 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-10-27 02:11:41,829 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:11:44,226 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2020-10-27 02:12:50,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:12:50,632 INFO L93 Difference]: Finished difference Result 3607 states and 6805 transitions. [2020-10-27 02:12:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-10-27 02:12:50,635 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 139 [2020-10-27 02:12:50,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:12:50,719 INFO L225 Difference]: With dead ends: 3607 [2020-10-27 02:12:50,719 INFO L226 Difference]: Without dead ends: 3001 [2020-10-27 02:12:50,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 68.5s TimeCoverageRelationStatistics Valid=1806, Invalid=10850, Unknown=0, NotChecked=0, Total=12656 [2020-10-27 02:12:50,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2020-10-27 02:12:51,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 1893. [2020-10-27 02:12:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2020-10-27 02:12:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 3074 transitions. [2020-10-27 02:12:51,667 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 3074 transitions. Word has length 139 [2020-10-27 02:12:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:12:51,668 INFO L481 AbstractCegarLoop]: Abstraction has 1893 states and 3074 transitions. [2020-10-27 02:12:51,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 02:12:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3074 transitions. [2020-10-27 02:12:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 02:12:51,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:12:51,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:12:51,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:12:51,678 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:12:51,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:12:51,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1235160412, now seen corresponding path program 1 times [2020-10-27 02:12:51,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:12:51,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010665483] [2020-10-27 02:12:51,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:12:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:51,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:52,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:52,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:52,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:55,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:12:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:12:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:12:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,041 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:12:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:12:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:58,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 02:12:58,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:12:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:58,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:12:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:12:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:12:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:12:58,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:12:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:12:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:12:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:12:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:12:58,439 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:12:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:12:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:12:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:58,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:59,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:12:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:03,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 02:13:03,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:13:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 02:13:03,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:03,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:03,673 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:13:03,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:03,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:03,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:04,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:04,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:04,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:04,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:13:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:04,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:04,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:04,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:13:04,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:04,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:04,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:04,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:13:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:04,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:05,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:05,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:05,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:13:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:05,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:13:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:05,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:13:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:13:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:13:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:05,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:05,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:13:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:05,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:05,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:05,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:05,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:05,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:13:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:05,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 02:13:06,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:13:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-27 02:13:06,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:13:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 02:13:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:13:06,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:13:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-27 02:13:06,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:13:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:13:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:13:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:13:06,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:13:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:13:06,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:13:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:13:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:13:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:13:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:13:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:13:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:13:06,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:13:06,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:06,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:13:06,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:06,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:13:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:06,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:06,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:06,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:13:06,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:06,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:06,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:06,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:13:06,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010665483] [2020-10-27 02:13:06,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:13:06,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 02:13:06,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361792099] [2020-10-27 02:13:06,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:13:06,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:13:06,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:13:06,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:13:06,789 INFO L87 Difference]: Start difference. First operand 1893 states and 3074 transitions. Second operand 18 states. [2020-10-27 02:13:09,142 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:13:10,920 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:13:12,224 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:13:13,732 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 405