/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_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:34:37,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:34:37,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:34:37,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:34:37,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:34:37,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:34:37,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:34:37,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:34:37,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:34:37,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:34:37,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:34:37,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:34:37,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:34:37,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:34:37,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:34:37,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:34:37,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:34:37,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:34:37,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:34:37,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:34:37,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:34:37,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:34:37,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:34:37,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:34:37,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:34:37,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:34:37,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:34:37,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:34:37,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:34:37,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:34:37,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:34:37,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:34:37,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:34:37,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:34:37,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:34:37,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:34:37,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:34:37,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:34:37,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:34:37,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:34:37,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:34:37,228 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 11:34:37,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:34:37,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:34:37,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:34:37,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:34:37,265 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:34:37,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:34:37,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:34:37,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:34:37,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:34:37,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:34:37,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:34:37,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:34:37,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:34:37,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:34:37,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:34:37,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:34:37,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:34:37,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:34:37,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:34:37,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:34:37,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:34:37,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:34:37,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:34:37,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:34:37,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:34:37,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:34:37,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:34:37,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:34:37,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:34:37,273 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 11:34:37,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:34:37,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:34:37,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:34:37,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:34:37,581 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:34:37,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product19.cil.c [2020-10-13 11:34:37,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e87897c9/64133f5bc023473dbde9f621675be831/FLAG126ba5686 [2020-10-13 11:34:38,320 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:34:38,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product19.cil.c [2020-10-13 11:34:38,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e87897c9/64133f5bc023473dbde9f621675be831/FLAG126ba5686 [2020-10-13 11:34:38,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e87897c9/64133f5bc023473dbde9f621675be831 [2020-10-13 11:34:38,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:34:38,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:34:38,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:34:38,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:34:38,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:34:38,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:34:38" (1/1) ... [2020-10-13 11:34:38,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709c464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:38, skipping insertion in model container [2020-10-13 11:34:38,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:34:38" (1/1) ... [2020-10-13 11:34:38,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:34:38,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:34:39,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:34:39,256 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:34:39,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:34:39,573 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:34:39,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39 WrapperNode [2020-10-13 11:34:39,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:34:39,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:34:39,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:34:39,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:34:39,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (1/1) ... [2020-10-13 11:34:39,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:34:39,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:34:39,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:34:39,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:34:39,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (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 11:34:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:34:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:34:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:34:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:34:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:34:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:34:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:34:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:34:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:34:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:34:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:34:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:34:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:34:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:34:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:34:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:34:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:34:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:34:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:34:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:34:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:34:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:34:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:34:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:34:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:34:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:34:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:34:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:34:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:34:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:34:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:34:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:34:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:34:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:34:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:34:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:34:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:34:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:34:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:34:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:34:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:34:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:34:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:34:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:34:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:34:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:34:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:34:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:34:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:34:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:34:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:34:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:34:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:34:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:34:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:34:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:34:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:34:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:34:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:34:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:34:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:34:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:34:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:34:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:34:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:34:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:34:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:34:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:34:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:34:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:34:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:34:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:34:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:34:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:34:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:34:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:34:41,869 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:34:41,870 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:34:41,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:34:41 BoogieIcfgContainer [2020-10-13 11:34:41,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:34:41,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:34:41,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:34:41,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:34:41,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:34:38" (1/3) ... [2020-10-13 11:34:41,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5673e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:34:41, skipping insertion in model container [2020-10-13 11:34:41,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:34:39" (2/3) ... [2020-10-13 11:34:41,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5673e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:34:41, skipping insertion in model container [2020-10-13 11:34:41,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:34:41" (3/3) ... [2020-10-13 11:34:41,889 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product19.cil.c [2020-10-13 11:34:41,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:34:41,908 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:34:41,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:34:41,949 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:34:41,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:34:41,950 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:34:41,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:34:41,950 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:34:41,950 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:34:41,950 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:34:41,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:34:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-13 11:34:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 11:34:42,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:42,011 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:34:42,012 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:42,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash 756079389, now seen corresponding path program 1 times [2020-10-13 11:34:42,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:42,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849906923] [2020-10-13 11:34:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:42,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:43,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:44,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:45,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:47,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:47,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 11:34:47,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:34:47,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-13 11:34:47,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:34:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:34:47,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:34:48,709 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:34:48,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:48,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:34:48,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:48,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:48,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:48,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:48,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:48,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:48,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:48,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:48,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:48,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:48,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:48,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:48,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:48,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:48,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:48,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:48,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:48,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:48,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:48,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:48,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:49,015 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:34:49,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:49,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:34:49,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:49,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:34:49,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:49,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:34:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:34:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:49,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-13 11:34:49,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:34:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:49,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:49,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:49,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:49,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:34:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:34:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-13 11:34:49,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:34:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:34:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:50,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:34:50,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:34:50,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 11:34:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:34:50,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:34:50,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:34:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:50,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:50,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:34:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:34:50,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:34:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:34:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:34:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:34:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:50,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:50,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:50,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:34:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:50,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:34:50,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:34:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:50,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:34:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:50,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:34:50,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:34:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:34:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:50,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:34:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:34:50,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849906923] [2020-10-13 11:34:50,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:50,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:34:50,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898375822] [2020-10-13 11:34:50,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:34:50,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:50,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:34:50,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:34:50,661 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 15 states. [2020-10-13 11:34:53,064 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:34:53,845 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:34:54,593 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:34:55,473 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:34:56,229 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:34:57,070 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:34:57,930 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:34:58,877 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:01,810 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:35:06,130 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:35:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:19,851 INFO L93 Difference]: Finished difference Result 1631 states and 2869 transitions. [2020-10-13 11:35:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 11:35:19,853 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2020-10-13 11:35:19,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:19,887 INFO L225 Difference]: With dead ends: 1631 [2020-10-13 11:35:19,887 INFO L226 Difference]: Without dead ends: 995 [2020-10-13 11:35:19,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 11:35:19,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-10-13 11:35:20,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 640. [2020-10-13 11:35:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-13 11:35:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1016 transitions. [2020-10-13 11:35:20,271 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1016 transitions. Word has length 141 [2020-10-13 11:35:20,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:20,272 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1016 transitions. [2020-10-13 11:35:20,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:35:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1016 transitions. [2020-10-13 11:35:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:35:20,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:20,284 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:20,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:35:20,284 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash -742821217, now seen corresponding path program 1 times [2020-10-13 11:35:20,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:20,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398575974] [2020-10-13 11:35:20,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:20,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:21,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:25,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:25,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:35:25,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,100 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:35:26,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:26,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:35:26,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:26,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:26,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:26,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:26,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:26,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,333 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:26,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:35:26,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:26,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:26,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:35:26,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:27,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-13 11:35:27,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:35:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:27,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:27,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:27,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:35:27,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:35:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:35:27,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:35:27,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:35:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:35:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:27,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:35:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:27,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:35:27,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:35:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:27,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:35:27,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:35:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:27,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:35:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:35:27,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:35:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:35:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:27,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:35:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:35:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:35:27,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398575974] [2020-10-13 11:35:27,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:27,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:35:27,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290110334] [2020-10-13 11:35:27,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:35:27,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:27,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:35:27,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:35:27,382 INFO L87 Difference]: Start difference. First operand 640 states and 1016 transitions. Second operand 10 states. [2020-10-13 11:35:29,237 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:29,978 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:35:35,103 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:35:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:46,288 INFO L93 Difference]: Finished difference Result 1599 states and 2758 transitions. [2020-10-13 11:35:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:35:46,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2020-10-13 11:35:46,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:46,301 INFO L225 Difference]: With dead ends: 1599 [2020-10-13 11:35:46,301 INFO L226 Difference]: Without dead ends: 989 [2020-10-13 11:35:46,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:35:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2020-10-13 11:35:46,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 640. [2020-10-13 11:35:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-13 11:35:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1011 transitions. [2020-10-13 11:35:46,493 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1011 transitions. Word has length 142 [2020-10-13 11:35:46,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:46,494 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1011 transitions. [2020-10-13 11:35:46,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:35:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1011 transitions. [2020-10-13 11:35:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:35:46,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:46,499 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:35:46,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:35:46,499 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:46,500 INFO L82 PathProgramCache]: Analyzing trace with hash 911418725, now seen corresponding path program 1 times [2020-10-13 11:35:46,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:46,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204878031] [2020-10-13 11:35:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:46,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:46,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:48,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:51,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:51,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:35:51,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:35:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-13 11:35:51,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:35:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:35:51,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:35:51,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:52,540 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:35:52,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:52,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 11:35:52,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:52,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:52,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:52,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:52,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:52,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:52,847 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:52,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:35:52,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:52,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:52,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:52,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:35:53,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 11:35:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:35:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:35:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:35:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:53,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:35:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:35:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:35:53,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:53,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 11:35:53,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:35:53,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:35:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:53,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:53,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:35:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 11:35:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:35:53,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:53,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:53,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:35:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:53,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:53,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:35:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:53,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:53,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:53,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:53,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:53,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:53,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:35:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:35:53,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:35:53,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:35:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:53,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:53,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:53,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:53,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:53,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:35:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:53,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:53,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:35:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:53,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:53,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:53,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:53,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:53,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:53,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:35:53,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204878031] [2020-10-13 11:35:53,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:53,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:35:53,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745003890] [2020-10-13 11:35:53,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:35:53,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:53,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:35:53,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:35:53,565 INFO L87 Difference]: Start difference. First operand 640 states and 1011 transitions. Second operand 13 states. [2020-10-13 11:35:54,872 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:35:55,673 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:56,387 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:57,074 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:57,771 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:35:58,481 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:36:05,070 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:36:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:20,218 INFO L93 Difference]: Finished difference Result 1613 states and 2774 transitions. [2020-10-13 11:36:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 11:36:20,219 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 143 [2020-10-13 11:36:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:20,229 INFO L225 Difference]: With dead ends: 1613 [2020-10-13 11:36:20,229 INFO L226 Difference]: Without dead ends: 1005 [2020-10-13 11:36:20,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2020-10-13 11:36:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-10-13 11:36:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 641. [2020-10-13 11:36:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-13 11:36:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1014 transitions. [2020-10-13 11:36:20,450 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1014 transitions. Word has length 143 [2020-10-13 11:36:20,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:20,450 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 1014 transitions. [2020-10-13 11:36:20,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:36:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1014 transitions. [2020-10-13 11:36:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 11:36:20,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:20,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:36:20,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:36:20,456 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:20,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:20,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1004832566, now seen corresponding path program 1 times [2020-10-13 11:36:20,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:20,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726757452] [2020-10-13 11:36:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:20,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:20,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:22,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:22,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:22,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:25,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:25,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 11:36:25,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:36:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 11:36:25,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:36:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,312 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:36:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:36:26,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:36:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:26,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:36:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,525 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:36:26,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:36:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:36:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:36:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:26,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:36:26,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:36:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:36:26,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:36:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:36:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:26,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:36:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:36:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:36:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:36:26,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:36:26,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:36:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:36:26,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:26,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:26,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:26,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:36:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:36:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:36:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:36:26,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:36:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:36:26,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:26,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:36:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:36:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:36:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:26,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:36:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:36:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:36:26,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726757452] [2020-10-13 11:36:26,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:36:26,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:36:26,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464647854] [2020-10-13 11:36:26,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:36:26,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:36:26,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:36:26,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:36:26,994 INFO L87 Difference]: Start difference. First operand 641 states and 1014 transitions. Second operand 10 states. [2020-10-13 11:36:28,906 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-13 11:36:29,690 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:36:32,001 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:36:35,355 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:36:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:47,338 INFO L93 Difference]: Finished difference Result 1602 states and 2753 transitions. [2020-10-13 11:36:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 11:36:47,339 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-13 11:36:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:47,348 INFO L225 Difference]: With dead ends: 1602 [2020-10-13 11:36:47,348 INFO L226 Difference]: Without dead ends: 960 [2020-10-13 11:36:47,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:36:47,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-13 11:36:47,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 612. [2020-10-13 11:36:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-13 11:36:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 965 transitions. [2020-10-13 11:36:47,512 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 965 transitions. Word has length 146 [2020-10-13 11:36:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:47,512 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 965 transitions. [2020-10-13 11:36:47,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:36:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 965 transitions. [2020-10-13 11:36:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 11:36:47,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:47,516 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:36:47,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:36:47,517 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:47,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:47,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1144975771, now seen corresponding path program 1 times [2020-10-13 11:36:47,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:47,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625499397] [2020-10-13 11:36:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:47,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:47,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:50,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:50,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:52,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:52,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 11:36:52,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:36:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:36:52,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:36:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:36:52,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,270 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:36:53,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:36:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:36:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:53,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:36:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:36:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:36:53,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,484 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:36:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:36:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:36:53,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:36:53,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:36:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:36:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:36:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:53,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:36:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:36:53,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:36:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:36:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:36:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:36:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:36:53,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:36:53,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:36:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:36:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:36:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:36:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:36:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:36:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:36:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:36:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:36:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:36:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:36:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:36:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:53,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:36:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:54,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:54,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:54,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:36:54,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:54,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:36:54,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:54,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:54,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:36:54,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:36:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:54,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:54,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:36:54,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:36:54,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:36:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:36:54,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:36:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:36:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:36:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:36:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:36:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:36:54,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625499397] [2020-10-13 11:36:54,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:36:54,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:36:54,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787887533] [2020-10-13 11:36:54,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:36:54,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:36:54,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:36:54,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:36:54,063 INFO L87 Difference]: Start difference. First operand 612 states and 965 transitions. Second operand 11 states. [2020-10-13 11:36:55,676 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:36:56,551 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:36:58,608 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:37:02,146 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:37:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:37:15,606 INFO L93 Difference]: Finished difference Result 1550 states and 2667 transitions. [2020-10-13 11:37:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:37:15,614 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2020-10-13 11:37:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:37:15,625 INFO L225 Difference]: With dead ends: 1550 [2020-10-13 11:37:15,625 INFO L226 Difference]: Without dead ends: 970 [2020-10-13 11:37:15,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:37:15,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-13 11:37:15,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 615. [2020-10-13 11:37:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-13 11:37:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 969 transitions. [2020-10-13 11:37:15,802 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 969 transitions. Word has length 144 [2020-10-13 11:37:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:37:15,802 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 969 transitions. [2020-10-13 11:37:15,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:37:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 969 transitions. [2020-10-13 11:37:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 11:37:15,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:37:15,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:37:15,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:37:15,807 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:37:15,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:37:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash -911095780, now seen corresponding path program 1 times [2020-10-13 11:37:15,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:37:15,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713511009] [2020-10-13 11:37:15,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:37:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:15,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:18,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:20,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:20,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:37:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:37:20,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,557 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:21,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:37:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:21,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:37:21,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:37:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:37:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:21,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:21,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:37:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,758 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:37:21,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:37:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:37:21,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:37:21,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:21,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:21,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:21,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:21,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:37:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:37:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:37:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:37:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:37:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 11:37:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:37:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:37:22,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:37:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:37:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:37:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:37:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:37:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:37:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:22,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:37:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:37:22,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:37:22,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:37:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:37:22,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:22,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:37:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:37:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:22,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:22,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:37:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:37:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:37:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:37:22,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713511009] [2020-10-13 11:37:22,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:37:22,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-13 11:37:22,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104625324] [2020-10-13 11:37:22,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 11:37:22,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:37:22,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 11:37:22,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:37:22,308 INFO L87 Difference]: Start difference. First operand 615 states and 969 transitions. Second operand 15 states. [2020-10-13 11:37:24,499 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:25,211 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:25,959 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:26,707 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:27,482 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:37:28,400 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:37:31,059 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:37:35,485 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:37:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:37:52,963 INFO L93 Difference]: Finished difference Result 1555 states and 2673 transitions. [2020-10-13 11:37:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 11:37:52,964 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 145 [2020-10-13 11:37:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:37:52,972 INFO L225 Difference]: With dead ends: 1555 [2020-10-13 11:37:52,973 INFO L226 Difference]: Without dead ends: 956 [2020-10-13 11:37:52,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2020-10-13 11:37:52,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-10-13 11:37:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 606. [2020-10-13 11:37:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-13 11:37:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 951 transitions. [2020-10-13 11:37:53,203 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 951 transitions. Word has length 145 [2020-10-13 11:37:53,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:37:53,204 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 951 transitions. [2020-10-13 11:37:53,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 11:37:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 951 transitions. [2020-10-13 11:37:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 11:37:53,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:37:53,207 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:37:53,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:37:53,208 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:37:53,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:37:53,208 INFO L82 PathProgramCache]: Analyzing trace with hash -409486975, now seen corresponding path program 1 times [2020-10-13 11:37:53,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:37:53,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444710415] [2020-10-13 11:37:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:37:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:53,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:53,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:57,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:57,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:57,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:58,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 11:37:58,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:37:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:58,988 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:37:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:37:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:59,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:37:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:37:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:37:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,201 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:37:59,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:37:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:37:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:37:59,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,361 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:37:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:37:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:37:59,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:37:59,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-13 11:37:59,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:37:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:37:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:37:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:37:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:37:59,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:37:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:37:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:37:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:37:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:37:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:37:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:37:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:37:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:37:59,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:37:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:37:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:37:59,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:59,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:37:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:37:59,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:37:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:37:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:37:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:37:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:37:59,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:37:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:37:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:37:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:37:59,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444710415] [2020-10-13 11:37:59,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:37:59,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:37:59,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185376070] [2020-10-13 11:37:59,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:37:59,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:37:59,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:37:59,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:37:59,807 INFO L87 Difference]: Start difference. First operand 606 states and 951 transitions. Second operand 11 states. [2020-10-13 11:38:01,553 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:38:02,412 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-13 11:38:04,539 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:38:05,739 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:38:07,990 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 11:38:20,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:38:20,226 INFO L93 Difference]: Finished difference Result 1530 states and 2625 transitions. [2020-10-13 11:38:20,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:38:20,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2020-10-13 11:38:20,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:38:20,232 INFO L225 Difference]: With dead ends: 1530 [2020-10-13 11:38:20,232 INFO L226 Difference]: Without dead ends: 954 [2020-10-13 11:38:20,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:38:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-10-13 11:38:20,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 606. [2020-10-13 11:38:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-13 11:38:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 950 transitions. [2020-10-13 11:38:20,394 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 950 transitions. Word has length 145 [2020-10-13 11:38:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:38:20,395 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 950 transitions. [2020-10-13 11:38:20,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:38:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 950 transitions. [2020-10-13 11:38:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 11:38:20,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:38:20,398 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:38:20,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:38:20,399 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:38:20,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:38:20,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2056712324, now seen corresponding path program 1 times [2020-10-13 11:38:20,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:38:20,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008284981] [2020-10-13 11:38:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:38:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:20,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:21,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:22,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:22,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:22,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:22,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:25,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:25,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 11:38:25,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:38:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:38:25,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:38:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:38:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:38:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,156 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:38:26,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:38:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:38:26,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:38:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:38:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:38:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:38:26,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,369 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:38:26,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:38:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:38:26,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:38:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 11:38:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:38:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:38:26,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:38:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:38:26,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:38:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 11:38:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:38:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:38:26,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:38:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:38:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:38:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:38:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:38:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:38:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:38:26,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:38:26,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:38:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:38:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:38:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:38:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:38:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:38:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:38:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 11:38:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:38:26,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:38:26,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:38:26,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:38:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:38:26,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:38:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:38:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:38:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:38:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:38:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:38:26,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008284981] [2020-10-13 11:38:26,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:38:26,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:38:26,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696815359] [2020-10-13 11:38:26,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:38:26,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:38:26,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:38:26,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:38:26,891 INFO L87 Difference]: Start difference. First operand 606 states and 950 transitions. Second operand 13 states.