/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=NARROWEST --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_spec9_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:39:05,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:39:05,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:39:05,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:39:05,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:39:05,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:39:05,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:39:05,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:39:05,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:39:05,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:39:05,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:39:05,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:39:05,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:39:05,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:39:05,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:39:05,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:39:05,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:39:05,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:39:05,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:39:05,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:39:05,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:39:05,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:39:05,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:39:05,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:39:05,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:39:05,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:39:05,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:39:05,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:39:05,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:39:05,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:39:05,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:39:05,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:39:05,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:39:05,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:39:05,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:39:05,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:39:05,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:39:05,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:39:05,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:39:05,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:39:05,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:39:05,218 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 [2020-10-13 11:39:05,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:39:05,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:39:05,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:39:05,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:39:05,242 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:39:05,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:39:05,242 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:39:05,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:39:05,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:39:05,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:39:05,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:39:05,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:39:05,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:39:05,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:39:05,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:39:05,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:39:05,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:39:05,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:39:05,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:39:05,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:39:05,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:39:05,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:39:05,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:39:05,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:39:05,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:39:05,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:39:05,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:39:05,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:39:05,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:39:05,247 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:39:05,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:39:05,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:39:05,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:39:05,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:39:05,561 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:39:05,562 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product09.cil.c [2020-10-13 11:39:05,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32cfa81bd/a0b500374b344fffb8e6148e896acee9/FLAG0f33bcddd [2020-10-13 11:39:06,262 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:39:06,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product09.cil.c [2020-10-13 11:39:06,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32cfa81bd/a0b500374b344fffb8e6148e896acee9/FLAG0f33bcddd [2020-10-13 11:39:06,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32cfa81bd/a0b500374b344fffb8e6148e896acee9 [2020-10-13 11:39:06,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:39:06,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:39:06,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:06,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:39:06,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:39:06,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:06" (1/1) ... [2020-10-13 11:39:06,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:06, skipping insertion in model container [2020-10-13 11:39:06,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:06" (1/1) ... [2020-10-13 11:39:06,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:39:06,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:39:07,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:07,269 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:39:07,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:07,444 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:39:07,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07 WrapperNode [2020-10-13 11:39:07,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:07,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:39:07,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:39:07,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:39:07,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (1/1) ... [2020-10-13 11:39:07,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:39:07,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:39:07,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:39:07,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:39:07,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (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 [2020-10-13 11:39:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:39:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:39:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:39:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:39:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:39:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:39:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:39:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:39:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:39:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:39:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:39:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:39:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:39:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:39:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:39:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:39:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:39:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:39:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:39:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:39:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:39:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:39:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:39:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:39:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:39:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:39:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:39:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:39:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:39:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:39:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:39:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:39:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:39:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:39:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:39:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:39:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:39:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:39:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:39:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:39:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:39:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:39:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:39:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:39:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:39:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:39:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:39:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:39:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:39:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:39:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:39:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:39:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:39:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:39:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:39:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:39:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:39:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:39:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:39:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:39:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:39:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:39:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:39:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:39:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:39:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:39:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:39:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:39:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:39:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:39:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:39:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:39:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:39:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:39:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:39:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:39:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:39:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:39:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:39:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:39:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:39:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:39:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:39:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:39:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:39:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:39:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:39:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:39:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:39:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:39:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:39:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:39:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:39:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:39:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:39:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:39:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:39:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:39:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:39:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:39:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:39:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:39:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:39:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:39:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:39:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:39:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:39:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:39:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:39:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:39:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:39:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:39:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:39:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:39:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:39:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:39:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:39:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:39:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:39:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:39:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:39:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:39:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:39:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:39:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:39:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:39:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:39:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:39:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:39:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:39:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:39:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:39:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:39:09,878 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:39:09,878 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:39:09,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:09 BoogieIcfgContainer [2020-10-13 11:39:09,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:39:09,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:39:09,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:39:09,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:39:09,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:39:06" (1/3) ... [2020-10-13 11:39:09,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c680927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:09, skipping insertion in model container [2020-10-13 11:39:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:07" (2/3) ... [2020-10-13 11:39:09,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c680927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:09, skipping insertion in model container [2020-10-13 11:39:09,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:09" (3/3) ... [2020-10-13 11:39:09,901 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2020-10-13 11:39:09,911 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:39:09,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:39:09,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:39:09,973 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:39:09,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:39:09,974 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:39:09,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:39:09,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:39:09,974 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:39:09,974 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:39:09,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:39:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states. [2020-10-13 11:39:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 11:39:10,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:10,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:39:10,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:10,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1110601002, now seen corresponding path program 1 times [2020-10-13 11:39:10,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:10,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857884394] [2020-10-13 11:39:10,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:11,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:11,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 11:39:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:39:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 11:39:15,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:39:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:39:15,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:39:16,772 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:39:16,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:16,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 11:39:16,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:16,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:16,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:39:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:16,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:16,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:16,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:39:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:16,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:16,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:16,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:39:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:16,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:16,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:39:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:16,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:16,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:16,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:16,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:17,199 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:39:17,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:39:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:17,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:17,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:18,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:39:22,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:39:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:39:22,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:39:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 11:39:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:39:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:22,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:39:23,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:39:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-13 11:39:23,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:23,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:39:23,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:39:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:39:23,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:39:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:23,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:23,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:23,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:39:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:23,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:28,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 11:39:28,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:39:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:39:28,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:28,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:39:28,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:39:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:39:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:39:33,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:39:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:39:33,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:39:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 11:39:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:39:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:39:33,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:33,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:33,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:33,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:33,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:39:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:39:33,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:39:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:39:33,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:33,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:39:33,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 11:39:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:39:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:39:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:39:33,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:33,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:39:33,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:39:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:33,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:33,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:33,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:39:33,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857884394] [2020-10-13 11:39:33,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:39:33,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:39:33,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905375491] [2020-10-13 11:39:33,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:39:33,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:39:33,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:39:33,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:39:33,503 INFO L87 Difference]: Start difference. First operand 728 states. Second operand 9 states. [2020-10-13 11:39:34,436 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:39:35,860 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:39:36,922 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:39:37,176 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-13 11:39:39,055 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:39:40,596 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:39:40,798 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-13 11:39:43,968 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:40:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:09,923 INFO L93 Difference]: Finished difference Result 2526 states and 4752 transitions. [2020-10-13 11:40:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:40:09,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-13 11:40:09,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:09,984 INFO L225 Difference]: With dead ends: 2526 [2020-10-13 11:40:09,984 INFO L226 Difference]: Without dead ends: 1984 [2020-10-13 11:40:09,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:40:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2020-10-13 11:40:10,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1022. [2020-10-13 11:40:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-13 11:40:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1673 transitions. [2020-10-13 11:40:10,525 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1673 transitions. Word has length 109 [2020-10-13 11:40:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:10,526 INFO L479 AbstractCegarLoop]: Abstraction has 1022 states and 1673 transitions. [2020-10-13 11:40:10,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:40:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1673 transitions. [2020-10-13 11:40:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 11:40:10,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:10,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:10,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:40:10,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:10,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:10,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1798842539, now seen corresponding path program 1 times [2020-10-13 11:40:10,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:10,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093152789] [2020-10-13 11:40:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 11:40:15,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:40:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:40:15,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:15,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:40:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,504 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:40:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:16,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:16,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:16,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:16,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,821 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:40:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:17,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:17,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:17,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:40:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:21,990 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:40:21,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:22,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:40:22,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-13 11:40:22,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:22,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:22,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:22,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:22,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:40:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:22,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:40:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:22,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:22,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:22,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:40:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:22,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:24,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:27,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:40:27,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:27,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4696 [2020-10-13 11:40:27,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 11:40:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:27,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:27,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:27,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:40:30,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2953 [2020-10-13 11:40:30,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:30,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:30,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:30,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:40:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:30,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:40:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:40:30,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:30,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:40:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:40:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:30,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:30,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:30,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:30,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:30,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:30,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:30,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:40:30,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093152789] [2020-10-13 11:40:30,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:30,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:40:30,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051607865] [2020-10-13 11:40:30,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:40:30,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:30,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:40:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:40:30,269 INFO L87 Difference]: Start difference. First operand 1022 states and 1673 transitions. Second operand 10 states. [2020-10-13 11:40:31,275 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:40:32,348 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:40:33,322 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-13 11:40:34,721 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:40:35,763 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:40:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:53,412 INFO L93 Difference]: Finished difference Result 2921 states and 5356 transitions. [2020-10-13 11:40:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:40:53,413 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-13 11:40:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:53,433 INFO L225 Difference]: With dead ends: 2921 [2020-10-13 11:40:53,434 INFO L226 Difference]: Without dead ends: 1936 [2020-10-13 11:40:53,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:40:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2020-10-13 11:40:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1022. [2020-10-13 11:40:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-13 11:40:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1672 transitions. [2020-10-13 11:40:53,750 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1672 transitions. Word has length 111 [2020-10-13 11:40:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:53,750 INFO L479 AbstractCegarLoop]: Abstraction has 1022 states and 1672 transitions. [2020-10-13 11:40:53,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:40:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1672 transitions. [2020-10-13 11:40:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 11:40:53,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:53,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:53,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:40:53,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash 441491937, now seen corresponding path program 1 times [2020-10-13 11:40:53,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:53,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817282676] [2020-10-13 11:40:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:53,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:53,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:54,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:54,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:55,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:55,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:58,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:40:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:58,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,762 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:40:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:59,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:59,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:59,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:59,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:59,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:59,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:00,088 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:41:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:00,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:05,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 11:41:05,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:41:05,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:41:05,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:41:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:05,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:05,260 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:41:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:05,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:41:05,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-13 11:41:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:05,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:41:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:05,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:05,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:05,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3753 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:41:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:09,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:41:11,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1779 [2020-10-13 11:41:11,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:41:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:11,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:11,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:41:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:11,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:11,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:41:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:41:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:11,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:11,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:41:11,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:41:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:41:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:11,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:41:11,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817282676] [2020-10-13 11:41:11,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:11,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:41:11,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003823351] [2020-10-13 11:41:11,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:41:11,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:11,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:41:11,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:41:11,395 INFO L87 Difference]: Start difference. First operand 1022 states and 1672 transitions. Second operand 11 states. [2020-10-13 11:41:12,676 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:41:14,219 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:15,374 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:41:16,447 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:41:16,644 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:41:17,666 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:41:17,849 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:41:19,015 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:41:25,202 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:41:27,182 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:41:45,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:45,403 INFO L93 Difference]: Finished difference Result 2887 states and 5404 transitions. [2020-10-13 11:41:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:41:45,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-10-13 11:41:45,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:45,422 INFO L225 Difference]: With dead ends: 2887 [2020-10-13 11:41:45,422 INFO L226 Difference]: Without dead ends: 1958 [2020-10-13 11:41:45,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:41:45,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-10-13 11:41:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1030. [2020-10-13 11:41:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1030 states. [2020-10-13 11:41:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1682 transitions. [2020-10-13 11:41:45,683 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1682 transitions. Word has length 112 [2020-10-13 11:41:45,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:45,684 INFO L479 AbstractCegarLoop]: Abstraction has 1030 states and 1682 transitions. [2020-10-13 11:41:45,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:41:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1682 transitions. [2020-10-13 11:41:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:41:45,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:45,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:45,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:41:45,688 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:45,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1514076615, now seen corresponding path program 1 times [2020-10-13 11:41:45,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:45,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956334129] [2020-10-13 11:41:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:45,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:45,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:49,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:50,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:50,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 11:41:50,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:41:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,733 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:41:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:51,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:51,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:51,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:51,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:51,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:51,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:52,054 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:41:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:55,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:55,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:55,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:57,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 11:41:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:41:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:41:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:41:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:41:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:41:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,252 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:41:57,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:57,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:41:57,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-13 11:41:57,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:57,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:57,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:57,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:57,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:41:57,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:41:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:57,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:57,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2862 [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:42:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:00,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:00,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1892 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:42:02,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:02,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:42:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:02,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:42:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:42:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:42:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:02,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956334129] [2020-10-13 11:42:02,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:02,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:02,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616976887] [2020-10-13 11:42:02,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:02,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:02,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:02,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:02,785 INFO L87 Difference]: Start difference. First operand 1030 states and 1682 transitions. Second operand 9 states. [2020-10-13 11:42:04,199 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:42:04,501 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-13 11:42:05,510 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:42:06,667 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:42:07,208 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:08,494 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:42:08,706 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:42:11,970 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127