/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:51:23,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:51:23,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:51:23,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:51:23,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:51:23,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:51:23,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:51:23,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:51:23,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:51:23,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:51:23,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:51:23,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:51:23,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:51:23,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:51:23,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:51:23,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:51:23,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:51:23,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:51:23,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:51:23,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:51:23,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:51:23,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:51:23,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:51:23,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:51:23,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:51:23,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:51:23,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:51:23,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:51:23,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:51:23,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:51:23,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:51:23,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:51:23,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:51:23,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:51:23,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:51:23,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:51:23,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:51:23,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:51:23,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:51:23,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:51:23,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:51:23,287 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 [2020-10-12 16:51:23,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:51:23,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:51:23,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:51:23,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:51:23,314 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:51:23,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:51:23,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:51:23,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:51:23,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:51:23,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:51:23,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:51:23,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:51:23,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:51:23,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:51:23,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:51:23,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:51:23,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:51:23,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:51:23,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:51:23,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:51:23,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:51:23,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:51:23,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:51:23,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:51:23,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:51:23,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:51:23,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:51:23,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:51:23,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:51:23,642 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:51:23,643 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-12 16:51:23,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8e5b0ca0/4a56e9739fc64f6e9c5a65fa297df284/FLAG66a68a188 [2020-10-12 16:51:24,264 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:51:24,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2020-10-12 16:51:24,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8e5b0ca0/4a56e9739fc64f6e9c5a65fa297df284/FLAG66a68a188 [2020-10-12 16:51:24,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8e5b0ca0/4a56e9739fc64f6e9c5a65fa297df284 [2020-10-12 16:51:24,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:51:24,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:51:24,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:51:24,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:51:24,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:51:24,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:51:24" (1/1) ... [2020-10-12 16:51:24,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637e93ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:24, skipping insertion in model container [2020-10-12 16:51:24,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:51:24" (1/1) ... [2020-10-12 16:51:24,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:51:24,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:51:25,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:51:25,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:51:25,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:51:25,420 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:51:25,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25 WrapperNode [2020-10-12 16:51:25,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:51:25,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:51:25,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:51:25,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:51:25,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (1/1) ... [2020-10-12 16:51:25,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:51:25,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:51:25,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:51:25,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:51:25,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (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 [2020-10-12 16:51:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:51:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:51:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:51:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:51:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:51:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:51:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:51:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:51:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:51:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:51:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:51:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:51:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:51:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:51:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:51:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:51:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:51:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:51:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:51:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:51:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:51:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:51:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:51:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:51:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:51:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:51:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:51:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:51:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:51:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:51:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:51:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:51:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:51:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:51:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:51:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:51:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:51:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:51:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:51:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:51:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:51:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:51:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:51:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:51:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:51:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:51:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:51:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:51:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:51:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:51:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:51:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:51:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:51:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:51:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:51:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:51:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:51:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:51:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:51:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:51:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:51:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:51:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:51:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:51:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:51:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:51:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:51:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:51:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:51:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:51:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:51:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:51:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:51:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:51:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:51:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:51:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:51:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:51:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:51:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:51:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:51:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:51:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:51:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:51:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:51:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:51:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:51:27,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:51:27,776 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:51:27,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:51:27 BoogieIcfgContainer [2020-10-12 16:51:27,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:51:27,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:51:27,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:51:27,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:51:27,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:51:24" (1/3) ... [2020-10-12 16:51:27,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:51:27, skipping insertion in model container [2020-10-12 16:51:27,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:51:25" (2/3) ... [2020-10-12 16:51:27,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:51:27, skipping insertion in model container [2020-10-12 16:51:27,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:51:27" (3/3) ... [2020-10-12 16:51:27,800 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product28.cil.c [2020-10-12 16:51:27,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:51:27,825 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:51:27,840 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:51:27,879 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:51:27,879 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:51:27,879 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:51:27,879 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:51:27,880 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:51:27,880 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:51:27,880 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:51:27,880 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:51:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states. [2020-10-12 16:51:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 16:51:27,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:51:27,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:51:27,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:51:27,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:51:27,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1927707397, now seen corresponding path program 1 times [2020-10-12 16:51:27,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:51:27,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923459084] [2020-10-12 16:51:27,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:51:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:28,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:30,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:30,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:33,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:33,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:51:33,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:51:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-12 16:51:33,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:51:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:33,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:51:33,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:51:34,693 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:51:34,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:51:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:34,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:34,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 16:51:34,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:51:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:34,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:34,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:34,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:34,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:34,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:34,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:34,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:34,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:34,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:34,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:34,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:51:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:34,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:34,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:34,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:51:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:34,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:34,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:34,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:34,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:34,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,116 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:51:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:51:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:51:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 16:51:35,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:51:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,312 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:51:35,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:51:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:51:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:51:35,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:51:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-12 16:51:35,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:51:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:35,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:51:35,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:51:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:35,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 16:51:35,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:51:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:51:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:51:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:35,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:51:35,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:51:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:51:35,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:51:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:51:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:35,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:35,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:35,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:36,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:36,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:36,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:36,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:36,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:36,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:51:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:36,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:36,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:36,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:36,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:51:36,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:36,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:51:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:36,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:36,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:36,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:36,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:36,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:51:36,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923459084] [2020-10-12 16:51:36,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:51:36,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 16:51:36,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234864203] [2020-10-12 16:51:36,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:51:36,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:51:36,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:51:36,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:51:36,115 INFO L87 Difference]: Start difference. First operand 825 states. Second operand 15 states. [2020-10-12 16:51:38,055 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:51:39,490 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:40,330 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:41,145 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:41,974 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:51:42,768 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:51:43,618 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:51:44,684 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:51:45,763 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:51:47,171 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:51:52,912 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:52:03,306 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:52:04,117 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:52:04,846 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:05,615 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:52:06,387 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:07,152 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:52:08,047 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:52:21,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:52:21,248 INFO L93 Difference]: Finished difference Result 2458 states and 4289 transitions. [2020-10-12 16:52:21,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-12 16:52:21,250 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 93 [2020-10-12 16:52:21,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:52:21,292 INFO L225 Difference]: With dead ends: 2458 [2020-10-12 16:52:21,292 INFO L226 Difference]: Without dead ends: 1785 [2020-10-12 16:52:21,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=512, Invalid=2458, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 16:52:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2020-10-12 16:52:21,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1243. [2020-10-12 16:52:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-10-12 16:52:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1998 transitions. [2020-10-12 16:52:21,769 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1998 transitions. Word has length 93 [2020-10-12 16:52:21,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:52:21,770 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1998 transitions. [2020-10-12 16:52:21,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:52:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1998 transitions. [2020-10-12 16:52:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 16:52:21,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:52:21,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:52:21,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:52:21,790 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:52:21,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:52:21,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1553737168, now seen corresponding path program 1 times [2020-10-12 16:52:21,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:52:21,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103129168] [2020-10-12 16:52:21,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:52:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:21,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:22,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:22,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:22,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 16:52:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:52:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-12 16:52:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:52:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:52:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:27,799 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:52:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:52:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:27,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:27,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:27,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:27,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 16:52:27,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:52:27,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:27,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:27,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:27,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:27,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:52:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:27,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:27,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:52:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:27,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:28,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:28,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:28,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:52:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:28,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:28,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:52:28,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:28,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:28,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:28,205 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:52:28,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:52:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:28,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:52:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:52:28,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:52:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:28,413 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:52:28,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:28,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:28,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:52:28,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:28,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:52:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:28,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:28,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:28,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:52:28,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:52:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-12 16:52:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:52:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:52:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:52:28,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:52:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:52:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:52:29,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:52:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:29,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:52:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:52:29,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:52:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 16:52:29,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:52:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:52:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:52:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:52:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:29,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:52:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:29,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:52:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:52:29,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:52:29,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:52:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:52:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:52:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:29,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:29,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:52:29,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:52:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:29,622 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:52:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:52:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:52:30,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:52:30,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-12 16:52:30,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:52:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:52:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:52:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:52:30,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:52:30,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:52:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:52:30,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:30,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:30,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:30,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:30,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:30,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:30,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:52:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:52:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:52:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:52:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:52:30,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:52:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:52:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:52:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:30,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:52:30,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:52:30,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:52:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:30,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:30,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:30,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:52:30,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:52:30,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:52:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:52:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:52:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:31,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:31,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:31,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:31,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:52:31,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:52:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:52:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:52:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:52:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:52:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:31,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:31,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:31,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:52:31,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:52:31,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:52:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:52:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:52:31,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:52:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:52:31,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:52:31,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:52:31,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:52:31,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:52:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:52:31,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:52:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:52:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:52:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:52:31,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:52:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 16:52:31,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103129168] [2020-10-12 16:52:31,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:52:31,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:52:31,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518865165] [2020-10-12 16:52:31,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:52:31,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:52:31,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:52:31,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:52:31,286 INFO L87 Difference]: Start difference. First operand 1243 states and 1998 transitions. Second operand 31 states. [2020-10-12 16:52:35,932 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:37,273 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:52:38,315 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:52:39,185 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:40,166 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:52:41,032 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:41,956 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:52:42,887 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:43,990 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:52:45,620 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:52:46,414 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:52:48,914 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2020-10-12 16:52:49,154 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:52:49,372 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:52:50,284 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:52:51,114 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:52:52,731 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 396 DAG size of output: 394 [2020-10-12 16:52:54,730 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2020-10-12 16:52:56,402 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2020-10-12 16:52:58,046 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2020-10-12 16:52:59,687 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2020-10-12 16:53:01,332 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2020-10-12 16:53:02,161 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2020-10-12 16:53:03,843 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 394 DAG size of output: 392 [2020-10-12 16:53:06,068 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 396 DAG size of output: 394 [2020-10-12 16:53:07,812 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2020-10-12 16:53:08,780 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 16:53:10,955 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 396 DAG size of output: 394 [2020-10-12 16:53:15,147 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2020-10-12 16:53:15,633 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-12 16:53:19,038 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:20,207 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:53:21,003 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:22,122 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:22,987 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:23,773 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:53:24,632 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:24,864 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 16:53:25,658 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:26,660 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:53:27,466 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:53:28,032 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:53:29,179 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:30,680 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:31,448 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:53:33,885 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:53:35,559 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:53:36,497 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:37,273 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:38,193 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:38,618 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:53:38,844 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:53:39,627 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:40,276 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:53:44,448 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2020-10-12 16:53:45,322 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:53:46,103 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:53:47,089 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:47,888 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:53:48,370 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:53:49,520 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:50,888 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:53:51,636 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:53:54,183 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:53:54,815 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:53:55,165 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 16:53:56,028 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:53:56,864 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:58,116 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:53:59,037 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:54:00,252 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:54:02,488 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:05,195 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:54:06,100 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-12 16:54:07,158 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:07,565 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2020-10-12 16:54:08,151 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-10-12 16:54:09,329 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-10-12 16:54:09,980 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2020-10-12 16:54:11,091 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:11,923 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:54:12,684 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:13,591 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:54:14,375 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:54:15,856 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 396 DAG size of output: 394 [2020-10-12 16:54:16,673 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:18,287 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2020-10-12 16:54:19,353 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 16:54:23,636 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:54:24,651 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:54:25,411 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:54:26,197 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:54:26,994 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:54:27,203 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:27,422 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:54:28,324 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:54:29,312 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:30,153 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:30,671 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:54:31,822 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:54:32,842 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:33,893 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 16:54:34,749 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:54:35,150 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:54:35,609 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:54:35,903 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:54:36,390 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 16:54:37,980 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:54:38,878 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:54:39,707 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:40,635 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:41,863 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:44,929 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:54:45,900 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:46,318 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:54:46,577 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:54:47,378 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:54:48,183 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:49,129 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:54:49,930 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:54:50,390 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:54:51,514 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:54:52,728 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:54:56,081 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:54:56,319 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:54:57,078 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:06,542 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:55:09,010 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 397