/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:14,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:14,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:14,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:14,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:14,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:14,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:14,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:14,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:14,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:14,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:14,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:14,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:14,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:14,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:14,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:14,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:14,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:14,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:14,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:14,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:14,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:14,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:14,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:14,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:14,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:14,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:14,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:14,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:14,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:14,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:14,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:14,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:14,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:14,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:14,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:14,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:14,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:14,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:14,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:14,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:14,262 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 [2020-09-21 11:16:14,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:14,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:14,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:14,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:14,314 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:14,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:14,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:14,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:14,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:14,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:14,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:14,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:14,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:14,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:14,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:14,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:14,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:14,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:14,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:14,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:14,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:14,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:14,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:14,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:14,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:14,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:14,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:14,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:14,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:14,320 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:16:14,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:14,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:14,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:14,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:14,824 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:14,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-21 11:16:14,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6d7acbc/ecad941b5389480b8a76168c3fca7696/FLAGc6eb99e33 [2020-09-21 11:16:15,505 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:15,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-21 11:16:15,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6d7acbc/ecad941b5389480b8a76168c3fca7696/FLAGc6eb99e33 [2020-09-21 11:16:15,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6d7acbc/ecad941b5389480b8a76168c3fca7696 [2020-09-21 11:16:15,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:15,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:15,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:15,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:15,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:15,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:15" (1/1) ... [2020-09-21 11:16:15,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da8246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:15, skipping insertion in model container [2020-09-21 11:16:15,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:15" (1/1) ... [2020-09-21 11:16:15,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:15,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:16,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:16,306 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:16,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:16,551 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:16,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16 WrapperNode [2020-09-21 11:16:16,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:16,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:16,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:16,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:16,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (1/1) ... [2020-09-21 11:16:16,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:16,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:16,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:16,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:16,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (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 [2020-09-21 11:16:16,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:16,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:16:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:16:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:17,891 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:17,892 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:17,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:17 BoogieIcfgContainer [2020-09-21 11:16:17,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:17,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:17,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:17,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:17,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:15" (1/3) ... [2020-09-21 11:16:17,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35854e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:17, skipping insertion in model container [2020-09-21 11:16:17,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:16" (2/3) ... [2020-09-21 11:16:17,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35854e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:17, skipping insertion in model container [2020-09-21 11:16:17,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:17" (3/3) ... [2020-09-21 11:16:17,913 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-21 11:16:17,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:17,936 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:17,961 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:17,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:17,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:17,994 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:17,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:17,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:17,995 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:17,995 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:17,995 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-09-21 11:16:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:18,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:18,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:18,037 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:18,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1347369271, now seen corresponding path program 1 times [2020-09-21 11:16:18,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:18,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228190632] [2020-09-21 11:16:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:18,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:16:18,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:18,867 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:18,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:18,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:18,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:18,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:19,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:19,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:19,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 11:16:19,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:19,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228190632] [2020-09-21 11:16:19,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:19,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:19,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318700032] [2020-09-21 11:16:19,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:19,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:19,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:19,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:19,173 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 4 states. [2020-09-21 11:16:20,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:20,154 INFO L93 Difference]: Finished difference Result 325 states and 415 transitions. [2020-09-21 11:16:20,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:20,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:20,174 INFO L225 Difference]: With dead ends: 325 [2020-09-21 11:16:20,174 INFO L226 Difference]: Without dead ends: 179 [2020-09-21 11:16:20,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-09-21 11:16:20,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 147. [2020-09-21 11:16:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-21 11:16:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-09-21 11:16:20,278 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-09-21 11:16:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:20,279 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-09-21 11:16:20,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-09-21 11:16:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:16:20,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:20,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:20,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:20,287 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:20,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1814034675, now seen corresponding path program 1 times [2020-09-21 11:16:20,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:20,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381466215] [2020-09-21 11:16:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:16:20,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:20,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,756 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:20,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:20,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:20,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:20,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:16:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:20,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381466215] [2020-09-21 11:16:20,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:20,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:20,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620892403] [2020-09-21 11:16:20,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:20,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:20,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:20,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:20,875 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 5 states. [2020-09-21 11:16:21,352 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:22,551 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2020-09-21 11:16:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:22,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:16:22,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:22,561 INFO L225 Difference]: With dead ends: 266 [2020-09-21 11:16:22,561 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:16:22,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:16:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2020-09-21 11:16:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:16:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2020-09-21 11:16:22,631 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60 [2020-09-21 11:16:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:22,631 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2020-09-21 11:16:22,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2020-09-21 11:16:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:16:22,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:22,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:22,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:22,635 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:22,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1518926539, now seen corresponding path program 1 times [2020-09-21 11:16:22,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:22,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752323998] [2020-09-21 11:16:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:16:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,380 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:16:23,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:16:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:23,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752323998] [2020-09-21 11:16:23,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:23,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:23,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572374786] [2020-09-21 11:16:23,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:23,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:23,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:23,575 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 5 states. [2020-09-21 11:16:23,926 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:25,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:25,011 INFO L93 Difference]: Finished difference Result 279 states and 342 transitions. [2020-09-21 11:16:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:16:25,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:16:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:25,017 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:16:25,017 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:16:25,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:16:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2020-09-21 11:16:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:16:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2020-09-21 11:16:25,056 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65 [2020-09-21 11:16:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:25,056 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2020-09-21 11:16:25,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2020-09-21 11:16:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-21 11:16:25,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:25,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:25,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:25,060 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:25,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:25,060 INFO L82 PathProgramCache]: Analyzing trace with hash 793046871, now seen corresponding path program 1 times [2020-09-21 11:16:25,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:25,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273582737] [2020-09-21 11:16:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:16:25,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-21 11:16:25,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:16:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:16:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,729 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:25,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:16:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:25,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:25,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:25,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:25,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:25,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:25,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:25,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:25,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:25,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:25,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:25,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:25,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:16:25,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:25,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:16:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:25,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:25,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:25,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:25,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:25,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:25,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:25,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:25,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:25,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:25,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:25,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:16:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:26,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:16:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:26,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:26,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:26,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:26,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:26,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:26,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:26,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:26,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:26,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273582737] [2020-09-21 11:16:26,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:26,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:26,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767258990] [2020-09-21 11:16:26,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:26,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:26,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:26,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:26,040 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 8 states. [2020-09-21 11:16:26,457 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:28,222 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:28,784 INFO L93 Difference]: Finished difference Result 391 states and 483 transitions. [2020-09-21 11:16:28,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:28,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-21 11:16:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:28,794 INFO L225 Difference]: With dead ends: 391 [2020-09-21 11:16:28,794 INFO L226 Difference]: Without dead ends: 281 [2020-09-21 11:16:28,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:16:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-21 11:16:28,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 235. [2020-09-21 11:16:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-09-21 11:16:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2020-09-21 11:16:28,865 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 78 [2020-09-21 11:16:28,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:28,866 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2020-09-21 11:16:28,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:28,866 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2020-09-21 11:16:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:16:28,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:28,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:28,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:28,868 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash -856462191, now seen corresponding path program 1 times [2020-09-21 11:16:28,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:28,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521405252] [2020-09-21 11:16:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:16:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-21 11:16:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,872 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:29,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:16:29,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:30,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:16:30,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:16:30,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:30,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:16:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:30,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:30,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:30,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:16:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:30,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:30,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:30,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:30,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521405252] [2020-09-21 11:16:30,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:30,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:30,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503770727] [2020-09-21 11:16:30,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:30,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:30,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:30,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:30,171 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 9 states. [2020-09-21 11:16:30,602 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:31,419 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:32,375 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:32,721 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:33,266 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:33,561 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:34,191 INFO L93 Difference]: Finished difference Result 487 states and 586 transitions. [2020-09-21 11:16:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:34,192 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:16:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:34,195 INFO L225 Difference]: With dead ends: 487 [2020-09-21 11:16:34,195 INFO L226 Difference]: Without dead ends: 280 [2020-09-21 11:16:34,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-21 11:16:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 234. [2020-09-21 11:16:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-21 11:16:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 264 transitions. [2020-09-21 11:16:34,240 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 264 transitions. Word has length 92 [2020-09-21 11:16:34,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:34,240 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 264 transitions. [2020-09-21 11:16:34,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions. [2020-09-21 11:16:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:16:34,242 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:34,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:34,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:34,243 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:34,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:34,243 INFO L82 PathProgramCache]: Analyzing trace with hash -357754488, now seen corresponding path program 1 times [2020-09-21 11:16:34,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:34,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723288413] [2020-09-21 11:16:34,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:16:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,591 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:34,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:34,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:16:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:34,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:34,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:34,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:16:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:34,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:34,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:34,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:34,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:34,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:16:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:34,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:34,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:34,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:34,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:34,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:34,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:34,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:34,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723288413] [2020-09-21 11:16:34,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:34,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:34,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768861012] [2020-09-21 11:16:34,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:34,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:34,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:34,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:34,898 INFO L87 Difference]: Start difference. First operand 234 states and 264 transitions. Second operand 9 states. [2020-09-21 11:16:36,148 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:36,471 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:36,770 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:37,070 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:38,054 INFO L93 Difference]: Finished difference Result 487 states and 589 transitions. [2020-09-21 11:16:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:38,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-09-21 11:16:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:38,058 INFO L225 Difference]: With dead ends: 487 [2020-09-21 11:16:38,058 INFO L226 Difference]: Without dead ends: 281 [2020-09-21 11:16:38,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:38,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-21 11:16:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 239. [2020-09-21 11:16:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-09-21 11:16:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions. [2020-09-21 11:16:38,102 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 108 [2020-09-21 11:16:38,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:38,103 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions. [2020-09-21 11:16:38,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions. [2020-09-21 11:16:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:16:38,104 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:38,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:38,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:38,105 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:38,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1570518214, now seen corresponding path program 1 times [2020-09-21 11:16:38,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:38,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626452846] [2020-09-21 11:16:38,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:38,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-21 11:16:38,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-21 11:16:38,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:16:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:38,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:16:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,443 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:16:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:38,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:38,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:38,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:38,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:38,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:38,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:38,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:38,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:38,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:38,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:38,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:38,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:16:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:38,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:38,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:38,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:38,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:38,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:38,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:38,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626452846] [2020-09-21 11:16:38,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:38,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:38,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025558900] [2020-09-21 11:16:38,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:38,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:38,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:38,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:38,769 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 8 states. [2020-09-21 11:16:39,789 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:40,137 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:40,429 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:41,381 INFO L93 Difference]: Finished difference Result 494 states and 597 transitions. [2020-09-21 11:16:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:41,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-09-21 11:16:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:41,384 INFO L225 Difference]: With dead ends: 494 [2020-09-21 11:16:41,384 INFO L226 Difference]: Without dead ends: 283 [2020-09-21 11:16:41,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-21 11:16:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 243. [2020-09-21 11:16:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-21 11:16:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 273 transitions. [2020-09-21 11:16:41,436 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 273 transitions. Word has length 108 [2020-09-21 11:16:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:41,436 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 273 transitions. [2020-09-21 11:16:41,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 273 transitions. [2020-09-21 11:16:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:16:41,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:41,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:41,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:41,438 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1329978085, now seen corresponding path program 1 times [2020-09-21 11:16:41,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:41,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826273514] [2020-09-21 11:16:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:41,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:16:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,021 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:42,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:42,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:42,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:42,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:42,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:42,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:42,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:42,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:42,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:16:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:42,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:42,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:16:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:42,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:42,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:16:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:42,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:42,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:42,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:42,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:16:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:16:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:42,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:42,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826273514] [2020-09-21 11:16:42,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:42,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:16:42,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531291207] [2020-09-21 11:16:42,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:16:42,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:42,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:16:42,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:42,415 INFO L87 Difference]: Start difference. First operand 243 states and 273 transitions. Second operand 7 states. [2020-09-21 11:16:42,814 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:43,437 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:45,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:45,655 INFO L93 Difference]: Finished difference Result 679 states and 838 transitions. [2020-09-21 11:16:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:45,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-09-21 11:16:45,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:45,658 INFO L225 Difference]: With dead ends: 679 [2020-09-21 11:16:45,658 INFO L226 Difference]: Without dead ends: 464 [2020-09-21 11:16:45,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-09-21 11:16:45,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2020-09-21 11:16:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-21 11:16:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 489 transitions. [2020-09-21 11:16:45,733 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 489 transitions. Word has length 108 [2020-09-21 11:16:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:45,734 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 489 transitions. [2020-09-21 11:16:45,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:16:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 489 transitions. [2020-09-21 11:16:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:16:45,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:45,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:45,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:45,736 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:45,737 INFO L82 PathProgramCache]: Analyzing trace with hash 825673247, now seen corresponding path program 1 times [2020-09-21 11:16:45,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:45,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299099994] [2020-09-21 11:16:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-21 11:16:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,500 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:46,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:16:46,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:46,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:46,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:46,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:16:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:16:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:16:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:46,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:46,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:46,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:46,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:46,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:46,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:46,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:16:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-21 11:16:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:46,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299099994] [2020-09-21 11:16:46,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:46,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:46,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315409820] [2020-09-21 11:16:46,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:46,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:46,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:46,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:46,843 INFO L87 Difference]: Start difference. First operand 422 states and 489 transitions. Second operand 12 states. [2020-09-21 11:16:47,347 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:48,237 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:49,382 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:50,037 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:16:50,372 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:50,735 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:51,113 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:52,660 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:52,922 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:53,655 INFO L93 Difference]: Finished difference Result 1174 states and 1444 transitions. [2020-09-21 11:16:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:53,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-09-21 11:16:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:53,666 INFO L225 Difference]: With dead ends: 1174 [2020-09-21 11:16:53,666 INFO L226 Difference]: Without dead ends: 854 [2020-09-21 11:16:53,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-09-21 11:16:53,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 732. [2020-09-21 11:16:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-21 11:16:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 840 transitions. [2020-09-21 11:16:53,847 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 840 transitions. Word has length 112 [2020-09-21 11:16:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:53,848 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 840 transitions. [2020-09-21 11:16:53,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 840 transitions. [2020-09-21 11:16:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-21 11:16:53,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:53,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:53,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:53,852 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:53,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:53,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1258980138, now seen corresponding path program 1 times [2020-09-21 11:16:53,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:53,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437560608] [2020-09-21 11:16:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:53,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -105 [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 105 [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:16:53,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-21 11:16:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 11:16:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,240 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:16:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:16:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:16:54,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:16:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:54,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:54,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:54,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:16:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:54,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:16:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:54,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:16:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:54,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:16:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-21 11:16:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:54,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:54,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:54,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-21 11:16:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-21 11:16:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-21 11:16:54,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437560608] [2020-09-21 11:16:54,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:54,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:54,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596270900] [2020-09-21 11:16:54,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:54,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:54,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:54,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:54,658 INFO L87 Difference]: Start difference. First operand 732 states and 840 transitions. Second operand 12 states. [2020-09-21 11:16:55,265 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:56,184 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:56,439 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:57,338 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:57,974 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:58,509 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:58,977 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:59,612 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:16:59,985 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:00,593 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:01,065 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:01,476 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:02,146 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:02,801 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:17:03,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:03,264 INFO L93 Difference]: Finished difference Result 1597 states and 1884 transitions. [2020-09-21 11:17:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:17:03,264 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-09-21 11:17:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:03,271 INFO L225 Difference]: With dead ends: 1597 [2020-09-21 11:17:03,272 INFO L226 Difference]: Without dead ends: 963 [2020-09-21 11:17:03,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2020-09-21 11:17:03,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-09-21 11:17:03,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 870. [2020-09-21 11:17:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-09-21 11:17:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1003 transitions. [2020-09-21 11:17:03,437 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1003 transitions. Word has length 172 [2020-09-21 11:17:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:03,441 INFO L479 AbstractCegarLoop]: Abstraction has 870 states and 1003 transitions. [2020-09-21 11:17:03,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1003 transitions. [2020-09-21 11:17:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-21 11:17:03,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:03,452 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:03,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:17:03,452 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:03,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1319050440, now seen corresponding path program 1 times [2020-09-21 11:17:03,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:03,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273506561] [2020-09-21 11:17:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-21 11:17:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:17:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:03,952 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:03,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:03,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:03,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:03,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:03,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:03,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:03,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:03,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:03,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:03,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:03,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:03,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:03,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:03,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:03,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:03,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:03,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:03,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:04,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:04,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:17:04,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:04,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:17:04,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:04,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:04,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:04,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:04,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:04,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:04,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:17:04,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:17:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:17:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:04,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:17:04,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:17:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:04,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:04,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:04,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-21 11:17:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:17:04,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:17:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:17:04,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:04,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:17:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:04,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-21 11:17:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-21 11:17:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:04,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-21 11:17:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:04,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:04,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:04,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-21 11:17:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-21 11:17:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 83 proven. 33 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-09-21 11:17:04,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273506561] [2020-09-21 11:17:04,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:04,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:17:04,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322570923] [2020-09-21 11:17:04,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:17:04,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:04,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:17:04,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:17:04,883 INFO L87 Difference]: Start difference. First operand 870 states and 1003 transitions. Second operand 17 states. [2020-09-21 11:17:05,491 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:06,751 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:07,517 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:07,905 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:08,251 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:08,576 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192