/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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:42,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:42,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:42,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:42,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:42,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:42,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:42,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:42,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:42,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:42,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:42,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:42,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:42,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:42,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:42,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:42,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:42,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:42,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:42,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:42,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:42,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:42,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:42,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:42,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:42,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:42,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:42,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:42,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:42,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:42,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:42,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:42,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:42,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:42,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:42,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:42,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:42,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:42,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:42,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:42,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:42,217 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 11:16:42,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:42,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:42,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:42,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:42,270 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:42,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:42,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:42,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:42,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:42,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:42,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:42,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:42,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:42,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:42,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:42,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:42,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:42,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:42,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:42,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:42,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:42,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:42,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:42,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:42,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:42,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:42,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:42,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:42,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:42,277 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 11:16:42,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:42,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:42,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:42,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:42,753 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:42,755 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-21 11:16:42,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc1ecdce0/f1d5083c0ab644f6b016af09d679a03f/FLAGe3a05c991 [2020-09-21 11:16:43,376 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:43,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-09-21 11:16:43,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc1ecdce0/f1d5083c0ab644f6b016af09d679a03f/FLAGe3a05c991 [2020-09-21 11:16:43,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc1ecdce0/f1d5083c0ab644f6b016af09d679a03f [2020-09-21 11:16:43,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:43,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:43,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:43,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:43,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:43,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:43" (1/1) ... [2020-09-21 11:16:43,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:43, skipping insertion in model container [2020-09-21 11:16:43,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:43" (1/1) ... [2020-09-21 11:16:43,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:43,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:44,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:44,288 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:44,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:44,415 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:44,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44 WrapperNode [2020-09-21 11:16:44,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:44,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:44,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:44,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:44,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (1/1) ... [2020-09-21 11:16:44,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:44,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:44,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:44,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:44,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (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 11:16:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:44,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:16:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:16:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:44,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:45,779 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:45,780 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:45,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:45 BoogieIcfgContainer [2020-09-21 11:16:45,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:45,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:45,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:45,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:45,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:43" (1/3) ... [2020-09-21 11:16:45,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395a38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:45, skipping insertion in model container [2020-09-21 11:16:45,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:44" (2/3) ... [2020-09-21 11:16:45,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395a38c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:45, skipping insertion in model container [2020-09-21 11:16:45,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:45" (3/3) ... [2020-09-21 11:16:45,802 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-09-21 11:16:45,811 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:45,822 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:45,840 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:45,867 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:45,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:45,867 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:45,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:45,868 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:45,873 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:45,873 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:45,873 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-09-21 11:16:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:45,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:45,914 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 11:16:45,915 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:45,922 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2020-09-21 11:16:45,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:45,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289546570] [2020-09-21 11:16:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:46,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:16:46,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 11:16:46,721 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,736 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: 9 [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 11:16:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,739 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 11:16:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [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 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 11:16:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:46,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:46,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:46,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:16:46,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:46,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:46,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:46,944 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 11:16:46,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289546570] [2020-09-21 11:16:46,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:46,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:46,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944540442] [2020-09-21 11:16:46,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:46,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:46,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:46,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:46,975 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-09-21 11:16:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:48,086 INFO L93 Difference]: Finished difference Result 303 states and 389 transitions. [2020-09-21 11:16:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:48,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:48,107 INFO L225 Difference]: With dead ends: 303 [2020-09-21 11:16:48,107 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 11:16:48,113 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 11:16:48,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 11:16:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-09-21 11:16:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:16:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-09-21 11:16:48,227 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2020-09-21 11:16:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:48,227 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-09-21 11:16:48,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-09-21 11:16:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:16:48,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:48,232 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 11:16:48,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:48,233 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash -103265726, now seen corresponding path program 1 times [2020-09-21 11:16:48,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:48,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57341930] [2020-09-21 11:16:48,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:16:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,622 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:48,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:48,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:48,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:48,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:16:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:48,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:48,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,737 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 11:16:48,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57341930] [2020-09-21 11:16:48,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:48,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:48,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073235375] [2020-09-21 11:16:48,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:48,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:48,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:48,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:48,741 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 5 states. [2020-09-21 11:16:49,240 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:50,097 INFO L93 Difference]: Finished difference Result 248 states and 301 transitions. [2020-09-21 11:16:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:50,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:16:50,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:50,103 INFO L225 Difference]: With dead ends: 248 [2020-09-21 11:16:50,104 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 11:16:50,106 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 11:16:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 11:16:50,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 129. [2020-09-21 11:16:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 11:16:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-09-21 11:16:50,145 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 60 [2020-09-21 11:16:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:50,146 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-09-21 11:16:50,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-09-21 11:16:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:16:50,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:50,149 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] [2020-09-21 11:16:50,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:50,149 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:50,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2020-09-21 11:16:50,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:50,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400667088] [2020-09-21 11:16:50,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:50,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:16:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,700 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:50,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:50,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:50,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:50,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:16:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:50,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:50,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:50,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:50,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:50,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:50,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:50,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:50,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:50,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:50,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:50,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:50,886 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 11:16:50,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400667088] [2020-09-21 11:16:50,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:50,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:50,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373748371] [2020-09-21 11:16:50,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:50,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:50,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:50,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:50,889 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 5 states. [2020-09-21 11:16:51,322 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:52,273 INFO L93 Difference]: Finished difference Result 257 states and 316 transitions. [2020-09-21 11:16:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:16:52,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:16:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:52,276 INFO L225 Difference]: With dead ends: 257 [2020-09-21 11:16:52,276 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 11:16:52,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 11:16:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 129. [2020-09-21 11:16:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 11:16:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-09-21 11:16:52,319 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 64 [2020-09-21 11:16:52,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:52,320 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-09-21 11:16:52,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-09-21 11:16:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-21 11:16:52,323 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:52,323 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] [2020-09-21 11:16:52,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:52,324 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:52,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:52,324 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2020-09-21 11:16:52,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:52,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016552974] [2020-09-21 11:16:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-09-21 11:16:52,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:16:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:16:52,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,128 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:16:53,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:53,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:53,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:53,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:53,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:53,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:16:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:53,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:16:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:53,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:53,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:53,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:53,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:16:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:53,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:16:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:53,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:53,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:53,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:53,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:53,378 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 11:16:53,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016552974] [2020-09-21 11:16:53,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:53,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:53,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408270132] [2020-09-21 11:16:53,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:53,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:53,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:53,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:53,380 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 8 states. [2020-09-21 11:16:53,837 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:55,439 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:56,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:56,122 INFO L93 Difference]: Finished difference Result 356 states and 444 transitions. [2020-09-21 11:16:56,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:56,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-09-21 11:16:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:56,126 INFO L225 Difference]: With dead ends: 356 [2020-09-21 11:16:56,126 INFO L226 Difference]: Without dead ends: 255 [2020-09-21 11:16:56,128 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 11:16:56,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-21 11:16:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 212. [2020-09-21 11:16:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 11:16:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2020-09-21 11:16:56,176 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2020-09-21 11:16:56,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:56,177 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2020-09-21 11:16:56,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2020-09-21 11:16:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:16:56,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:56,179 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] [2020-09-21 11:16:56,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:56,180 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:56,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:56,180 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2020-09-21 11:16:56,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:56,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569315525] [2020-09-21 11:16:56,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:16:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-09-21 11:16:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:16:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:16:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,097 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:16:57,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:57,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:57,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:57,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:16:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:16:57,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:57,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:57,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:16:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:57,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:57,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:16:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:57,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:57,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,400 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 11:16:57,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569315525] [2020-09-21 11:16:57,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:57,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:57,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271134161] [2020-09-21 11:16:57,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:57,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:57,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:57,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:57,403 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 9 states. [2020-09-21 11:16:57,987 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:58,696 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:59,506 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:59,902 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:00,398 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:00,704 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:01,425 INFO L93 Difference]: Finished difference Result 438 states and 534 transitions. [2020-09-21 11:17:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:01,426 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-09-21 11:17:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:01,429 INFO L225 Difference]: With dead ends: 438 [2020-09-21 11:17:01,429 INFO L226 Difference]: Without dead ends: 254 [2020-09-21 11:17:01,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-21 11:17:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-09-21 11:17:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-09-21 11:17:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2020-09-21 11:17:01,471 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2020-09-21 11:17:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:01,471 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2020-09-21 11:17:01,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2020-09-21 11:17:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:17:01,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:01,473 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 11:17:01,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:01,474 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:01,474 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2020-09-21 11:17:01,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:01,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856956458] [2020-09-21 11:17:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:17:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:01,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,810 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:01,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:01,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:01,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:01,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:01,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:01,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:01,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:01,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:01,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:01,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:01,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:01,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:01,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:17:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:17:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:17:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,067 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 11:17:02,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856956458] [2020-09-21 11:17:02,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:02,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:02,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944085026] [2020-09-21 11:17:02,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:02,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:02,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:02,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:02,071 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 9 states. [2020-09-21 11:17:03,342 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:03,678 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:03,998 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:04,317 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:05,136 INFO L93 Difference]: Finished difference Result 436 states and 528 transitions. [2020-09-21 11:17:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:05,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-09-21 11:17:05,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:05,139 INFO L225 Difference]: With dead ends: 436 [2020-09-21 11:17:05,139 INFO L226 Difference]: Without dead ends: 253 [2020-09-21 11:17:05,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 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 11:17:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-21 11:17:05,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 216. [2020-09-21 11:17:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-21 11:17:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2020-09-21 11:17:05,180 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2020-09-21 11:17:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:05,181 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2020-09-21 11:17:05,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2020-09-21 11:17:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:17:05,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:05,183 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 11:17:05,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:05,183 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:05,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:05,184 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2020-09-21 11:17:05,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:05,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495296072] [2020-09-21 11:17:05,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:05,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:17:05,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:17:05,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:17:05,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:05,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:05,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:17:05,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:05,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,515 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:05,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:05,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:05,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:05,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:05,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:05,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:05,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:05,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:05,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:05,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:05,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:05,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:05,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:17:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:17:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:05,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:05,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:05,754 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 11:17:05,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495296072] [2020-09-21 11:17:05,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:05,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:05,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055092188] [2020-09-21 11:17:05,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:05,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:05,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:05,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:05,757 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2020-09-21 11:17:06,866 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:07,190 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:07,478 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:08,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:08,287 INFO L93 Difference]: Finished difference Result 448 states and 548 transitions. [2020-09-21 11:17:08,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:08,288 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-09-21 11:17:08,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:08,291 INFO L225 Difference]: With dead ends: 448 [2020-09-21 11:17:08,291 INFO L226 Difference]: Without dead ends: 260 [2020-09-21 11:17:08,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 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 11:17:08,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-21 11:17:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 220. [2020-09-21 11:17:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-21 11:17:08,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2020-09-21 11:17:08,330 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2020-09-21 11:17:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:08,330 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2020-09-21 11:17:08,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2020-09-21 11:17:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:17:08,332 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:08,332 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 11:17:08,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:08,332 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:08,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2020-09-21 11:17:08,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:08,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415148005] [2020-09-21 11:17:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:08,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:17:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,866 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:08,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:09,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:09,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:09,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:09,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:09,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:09,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:17:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:09,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:09,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:17:09,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:09,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:09,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:17:09,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:09,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:09,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:09,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:17:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:17:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:09,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:09,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:09,215 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 11:17:09,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415148005] [2020-09-21 11:17:09,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:09,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:17:09,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82934571] [2020-09-21 11:17:09,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:17:09,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:09,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:17:09,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:09,223 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 7 states. [2020-09-21 11:17:09,707 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:10,353 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:12,292 INFO L93 Difference]: Finished difference Result 617 states and 772 transitions. [2020-09-21 11:17:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:12,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-09-21 11:17:12,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:12,297 INFO L225 Difference]: With dead ends: 617 [2020-09-21 11:17:12,297 INFO L226 Difference]: Without dead ends: 425 [2020-09-21 11:17:12,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 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 11:17:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-09-21 11:17:12,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2020-09-21 11:17:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-09-21 11:17:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 454 transitions. [2020-09-21 11:17:12,380 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 454 transitions. Word has length 92 [2020-09-21 11:17:12,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:12,381 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 454 transitions. [2020-09-21 11:17:12,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:17:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 454 transitions. [2020-09-21 11:17:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:17:12,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:12,383 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] [2020-09-21 11:17:12,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:12,383 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:12,384 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2020-09-21 11:17:12,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:12,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361116606] [2020-09-21 11:17:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:12,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:12,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:12,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:12,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:12,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:17:12,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:12,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-21 11:17:12,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-21 11:17:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,132 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:17:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:13,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:13,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:13,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:13,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:13,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:13,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:13,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:17:13,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:13,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:13,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:13,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:17:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:17:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:13,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:13,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:13,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:13,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:13,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:13,445 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 11:17:13,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361116606] [2020-09-21 11:17:13,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:13,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:13,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15078837] [2020-09-21 11:17:13,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:13,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:13,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:13,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:13,448 INFO L87 Difference]: Start difference. First operand 387 states and 454 transitions. Second operand 12 states. [2020-09-21 11:17:14,205 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:14,963 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:16,124 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:16,501 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:16,810 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:17,151 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:17,466 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:18,928 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:19,285 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:19,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:19,914 INFO L93 Difference]: Finished difference Result 1065 states and 1331 transitions. [2020-09-21 11:17:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:19,917 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-09-21 11:17:19,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:19,925 INFO L225 Difference]: With dead ends: 1065 [2020-09-21 11:17:19,925 INFO L226 Difference]: Without dead ends: 776 [2020-09-21 11:17:19,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-09-21 11:17:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 666. [2020-09-21 11:17:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-09-21 11:17:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 774 transitions. [2020-09-21 11:17:20,080 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 774 transitions. Word has length 96 [2020-09-21 11:17:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:20,082 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 774 transitions. [2020-09-21 11:17:20,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 774 transitions. [2020-09-21 11:17:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:17:20,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:20,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:17:20,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:20,086 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:20,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:20,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2020-09-21 11:17:20,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:20,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237346240] [2020-09-21 11:17:20,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:20,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -85 [2020-09-21 11:17:20,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 85 [2020-09-21 11:17:20,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:17:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 11:17:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,448 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:17:20,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:17:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:20,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:20,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:17:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:17:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:20,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:20,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:20,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:17:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:20,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:17:20,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:20,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:17:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:20,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:17:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:20,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:20,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:20,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:17:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:20,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-21 11:17:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:17:20,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237346240] [2020-09-21 11:17:20,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:20,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:17:20,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282451637] [2020-09-21 11:17:20,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:20,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:20,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:20,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:20,843 INFO L87 Difference]: Start difference. First operand 666 states and 774 transitions. Second operand 12 states. [2020-09-21 11:17:21,402 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:17:22,181 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:22,511 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:23,216 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:23,614 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:24,480 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:24,784 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:25,110 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:25,759 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:17:26,472 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:26,936 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:27,669 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:28,466 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:29,098 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:29,705 INFO L93 Difference]: Finished difference Result 1435 states and 1720 transitions. [2020-09-21 11:17:29,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:17:29,706 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-09-21 11:17:29,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:29,710 INFO L225 Difference]: With dead ends: 1435 [2020-09-21 11:17:29,710 INFO L226 Difference]: Without dead ends: 863 [2020-09-21 11:17:29,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:17:29,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-09-21 11:17:29,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 784. [2020-09-21 11:17:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-09-21 11:17:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2020-09-21 11:17:29,853 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 157 [2020-09-21 11:17:29,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:29,856 INFO L479 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2020-09-21 11:17:29,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2020-09-21 11:17:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-21 11:17:29,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:29,864 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, 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, 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] [2020-09-21 11:17:29,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:17:29,864 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:29,866 INFO L82 PathProgramCache]: Analyzing trace with hash -611993489, now seen corresponding path program 1 times [2020-09-21 11:17:29,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:29,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846961900] [2020-09-21 11:17:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:29,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:29,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:29,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 388 [2020-09-21 11:17:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:17:29,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-09-21 11:17:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:17:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,313 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:30,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:30,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:30,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:30,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:30,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:17:30,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:30,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:17:30,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:30,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:30,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:30,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:30,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:17:30,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:30,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:17:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:17:30,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:17:30,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:17:30,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:30,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:30,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:30,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:30,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:30,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:30,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:30,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:30,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:30,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:30,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:30,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:30,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:30,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-21 11:17:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:17:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:17:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:30,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:30,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:30,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:30,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:30,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:30,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:30,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:30,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:30,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:30,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:30,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:30,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:17:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:31,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-21 11:17:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-21 11:17:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:31,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:31,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-21 11:17:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:17:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:31,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-21 11:17:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-21 11:17:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 77 proven. 35 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-09-21 11:17:31,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846961900] [2020-09-21 11:17:31,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:31,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:17:31,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071915430] [2020-09-21 11:17:31,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:17:31,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:31,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:17:31,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:17:31,240 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 17 states. [2020-09-21 11:17:32,125 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:33,397 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:17:34,159 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:34,526 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:34,834 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:35,147 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:35,728 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-21 11:17:36,350 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192