/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_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:08:47,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:08:47,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:08:47,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:08:47,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:08:47,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:08:47,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:08:47,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:08:47,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:08:47,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:08:47,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:08:47,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:08:47,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:08:47,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:08:47,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:08:47,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:08:47,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:08:47,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:08:47,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:08:47,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:08:47,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:08:47,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:08:47,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:08:47,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:08:47,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:08:47,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:08:47,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:08:47,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:08:47,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:08:47,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:08:47,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:08:47,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:08:47,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:08:47,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:08:47,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:08:47,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:08:47,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:08:47,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:08:47,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:08:47,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:08:47,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:08:47,920 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 11:08:47,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:08:47,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:08:47,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:08:47,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:08:47,972 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:08:47,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:08:47,972 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:08:47,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:08:47,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:08:47,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:08:47,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:08:47,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:08:47,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:08:47,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:08:47,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:08:47,975 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:08:47,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:08:47,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:08:47,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:08:47,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:08:47,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:08:47,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:47,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:08:47,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:08:47,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:08:47,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:08:47,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:08:47,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:08:47,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:08:47,978 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 11:08:48,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:08:48,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:08:48,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:08:48,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:08:48,450 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:08:48,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-09-21 11:08:48,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e3d87e2e/bd92c91670de4799917f99c87629a18a/FLAGdd0069a31 [2020-09-21 11:08:49,171 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:08:49,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-09-21 11:08:49,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e3d87e2e/bd92c91670de4799917f99c87629a18a/FLAGdd0069a31 [2020-09-21 11:08:49,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e3d87e2e/bd92c91670de4799917f99c87629a18a [2020-09-21 11:08:49,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:08:49,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:08:49,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:49,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:08:49,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:08:49,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:49" (1/1) ... [2020-09-21 11:08:49,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0ba802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:49, skipping insertion in model container [2020-09-21 11:08:49,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:49" (1/1) ... [2020-09-21 11:08:49,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:08:49,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:08:50,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:50,131 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:08:50,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:50,291 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:08:50,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50 WrapperNode [2020-09-21 11:08:50,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:50,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:08:50,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:08:50,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:08:50,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (1/1) ... [2020-09-21 11:08:50,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:08:50,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:08:50,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:08:50,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:08:50,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (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 11:08:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:08:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:08:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:08:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:08:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:08:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:08:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:08:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:08:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:08:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:08:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:08:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:08:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:08:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:08:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:08:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:08:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:08:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:08:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:08:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:08:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:08:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:08:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:08:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:08:51,602 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:08:51,603 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:08:51,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:51 BoogieIcfgContainer [2020-09-21 11:08:51,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:08:51,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:08:51,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:08:51,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:08:51,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:08:49" (1/3) ... [2020-09-21 11:08:51,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3242efb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:51, skipping insertion in model container [2020-09-21 11:08:51,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:50" (2/3) ... [2020-09-21 11:08:51,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3242efb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:51, skipping insertion in model container [2020-09-21 11:08:51,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:51" (3/3) ... [2020-09-21 11:08:51,619 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-09-21 11:08:51,630 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:08:51,641 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:08:51,664 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:08:51,696 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:08:51,696 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:08:51,697 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:08:51,700 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:08:51,700 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:08:51,700 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:08:51,700 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:08:51,700 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:08:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-09-21 11:08:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:08:51,751 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:51,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:51,753 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:51,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-09-21 11:08:51,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:51,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786501788] [2020-09-21 11:08:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:08:52,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:08:52,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:08:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,572 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:52,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:08:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:08:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:08:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:08:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:52,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786501788] [2020-09-21 11:08:52,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:52,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:08:52,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063394512] [2020-09-21 11:08:52,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:08:52,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:52,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:08:52,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:52,819 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2020-09-21 11:08:54,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:54,202 INFO L93 Difference]: Finished difference Result 338 states and 440 transitions. [2020-09-21 11:08:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:08:54,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:08:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:54,239 INFO L225 Difference]: With dead ends: 338 [2020-09-21 11:08:54,239 INFO L226 Difference]: Without dead ends: 187 [2020-09-21 11:08:54,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 11:08:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-09-21 11:08:54,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 152. [2020-09-21 11:08:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-09-21 11:08:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-09-21 11:08:54,376 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-09-21 11:08:54,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:54,377 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-09-21 11:08:54,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:08:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-09-21 11:08:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:08:54,389 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:54,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:54,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:08:54,390 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:54,390 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-09-21 11:08:54,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:54,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009881190] [2020-09-21 11:08:54,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:08:54,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:08:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,873 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:54,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:54,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:54,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:54,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:54,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:54,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:54,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:54,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:54,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:54,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009881190] [2020-09-21 11:08:54,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:54,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:54,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479409611] [2020-09-21 11:08:54,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:54,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:54,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:54,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:54,987 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 5 states. [2020-09-21 11:08:55,501 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:56,644 INFO L93 Difference]: Finished difference Result 279 states and 347 transitions. [2020-09-21 11:08:56,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:56,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:08:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:56,650 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:08:56,652 INFO L226 Difference]: Without dead ends: 177 [2020-09-21 11:08:56,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 11:08:56,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-21 11:08:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-09-21 11:08:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-21 11:08:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-09-21 11:08:56,732 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-09-21 11:08:56,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:56,733 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-09-21 11:08:56,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-09-21 11:08:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:08:56,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:56,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:56,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:08:56,740 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:56,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:56,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-09-21 11:08:56,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:56,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435226074] [2020-09-21 11:08:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:57,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:08:57,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-21 11:08:57,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:08:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,508 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:08:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:57,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:57,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:57,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:57,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:57,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:57,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:57,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:57,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:57,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435226074] [2020-09-21 11:08:57,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:57,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:57,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680376058] [2020-09-21 11:08:57,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:57,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:57,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:57,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:57,687 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 5 states. [2020-09-21 11:08:58,054 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:59,310 INFO L93 Difference]: Finished difference Result 292 states and 366 transitions. [2020-09-21 11:08:59,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:08:59,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:08:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:59,315 INFO L225 Difference]: With dead ends: 292 [2020-09-21 11:08:59,315 INFO L226 Difference]: Without dead ends: 177 [2020-09-21 11:08:59,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 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 11:08:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-21 11:08:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2020-09-21 11:08:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-21 11:08:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-09-21 11:08:59,354 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-09-21 11:08:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:59,354 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-09-21 11:08:59,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-09-21 11:08:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-21 11:08:59,356 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:59,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:59,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:08:59,357 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:59,357 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-09-21 11:08:59,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:59,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476124461] [2020-09-21 11:08:59,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:59,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:59,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:59,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:59,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:59,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:08:59,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-09-21 11:08:59,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:08:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:59,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-21 11:08:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,299 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:09:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:09:00,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:00,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:00,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:09:00,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:00,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:00,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:00,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:09:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:09:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:00,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476124461] [2020-09-21 11:09:00,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:00,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:09:00,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114155275] [2020-09-21 11:09:00,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:09:00,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:00,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:09:00,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:09:00,617 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2020-09-21 11:09:01,035 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:02,613 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:03,646 INFO L93 Difference]: Finished difference Result 397 states and 501 transitions. [2020-09-21 11:09:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:09:03,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-09-21 11:09:03,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:03,655 INFO L225 Difference]: With dead ends: 397 [2020-09-21 11:09:03,656 INFO L226 Difference]: Without dead ends: 282 [2020-09-21 11:09:03,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:09:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-21 11:09:03,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-21 11:09:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-21 11:09:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2020-09-21 11:09:03,763 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2020-09-21 11:09:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:03,763 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2020-09-21 11:09:03,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:09:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2020-09-21 11:09:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:09:03,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:03,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:03,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:09:03,766 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:03,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:03,766 INFO L82 PathProgramCache]: Analyzing trace with hash -919866488, now seen corresponding path program 1 times [2020-09-21 11:09:03,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:03,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998155317] [2020-09-21 11:09:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:09:04,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-21 11:09:04,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:09:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:09:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,406 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:09:04,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:09:04,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:09:04,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:04,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:09:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:04,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:09:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:04,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998155317] [2020-09-21 11:09:04,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:04,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:09:04,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355372318] [2020-09-21 11:09:04,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:04,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:04,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:04,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:04,635 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 9 states. [2020-09-21 11:09:05,226 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:06,848 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:07,228 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:07,552 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:07,899 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:09,759 INFO L93 Difference]: Finished difference Result 695 states and 864 transitions. [2020-09-21 11:09:09,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:09:09,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-09-21 11:09:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:09,765 INFO L225 Difference]: With dead ends: 695 [2020-09-21 11:09:09,765 INFO L226 Difference]: Without dead ends: 490 [2020-09-21 11:09:09,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:09:09,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-09-21 11:09:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 414. [2020-09-21 11:09:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-21 11:09:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2020-09-21 11:09:09,849 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2020-09-21 11:09:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:09,850 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2020-09-21 11:09:09,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2020-09-21 11:09:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:09:09,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:09,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:09,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:09:09,853 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1008826772, now seen corresponding path program 1 times [2020-09-21 11:09:09,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:09,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678801800] [2020-09-21 11:09:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:10,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:10,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:10,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:10,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:09:10,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-09-21 11:09:10,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:09:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:09:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:10,970 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:10,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:09:11,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:11,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:11,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:11,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:11,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:09:11,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:11,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:09:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:11,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:11,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:09:11,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:11,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:09:11,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:11,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:11,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:09:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:11,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:09:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:11,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:11,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678801800] [2020-09-21 11:09:11,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:11,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:09:11,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206175695] [2020-09-21 11:09:11,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:11,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:11,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:11,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:11,388 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 10 states. [2020-09-21 11:09:11,962 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:13,404 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:09:13,734 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:14,061 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:14,431 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:09:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:16,259 INFO L93 Difference]: Finished difference Result 914 states and 1119 transitions. [2020-09-21 11:09:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:09:16,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-09-21 11:09:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:16,266 INFO L225 Difference]: With dead ends: 914 [2020-09-21 11:09:16,266 INFO L226 Difference]: Without dead ends: 528 [2020-09-21 11:09:16,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:09:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-09-21 11:09:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 413. [2020-09-21 11:09:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-09-21 11:09:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2020-09-21 11:09:16,349 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2020-09-21 11:09:16,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:16,349 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2020-09-21 11:09:16,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:09:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2020-09-21 11:09:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:09:16,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:16,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:16,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:09:16,352 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:16,352 INFO L82 PathProgramCache]: Analyzing trace with hash 390870795, now seen corresponding path program 1 times [2020-09-21 11:09:16,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:16,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226120464] [2020-09-21 11:09:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:09:16,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:16,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:09:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,668 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:16,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:16,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:16,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:16,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:16,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:16,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:09:16,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:16,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:16,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:16,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:09:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:16,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:16,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:16,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:09:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:16,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:16,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:16,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:09:16,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:16,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:09:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:16,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:09:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:16,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:16,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226120464] [2020-09-21 11:09:16,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:16,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:09:16,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526661265] [2020-09-21 11:09:16,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:16,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:16,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:16,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:16,965 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 10 states. [2020-09-21 11:09:18,280 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:18,583 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:09:18,912 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:19,217 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:09:20,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:20,740 INFO L93 Difference]: Finished difference Result 917 states and 1130 transitions. [2020-09-21 11:09:20,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:09:20,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-09-21 11:09:20,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:20,744 INFO L225 Difference]: With dead ends: 917 [2020-09-21 11:09:20,744 INFO L226 Difference]: Without dead ends: 532 [2020-09-21 11:09:20,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:09:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-09-21 11:09:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 423. [2020-09-21 11:09:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-09-21 11:09:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2020-09-21 11:09:20,835 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2020-09-21 11:09:20,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:20,836 INFO L479 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2020-09-21 11:09:20,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:09:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2020-09-21 11:09:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:09:20,838 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:20,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:20,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:09:20,839 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:20,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:20,839 INFO L82 PathProgramCache]: Analyzing trace with hash 318484237, now seen corresponding path program 1 times [2020-09-21 11:09:20,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:20,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882795987] [2020-09-21 11:09:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:20,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:20,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:09:20,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:09:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:09:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,169 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:21,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:21,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:21,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:21,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:21,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:09:21,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:21,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:21,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:09:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:21,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:21,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:09:21,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:21,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:21,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:09:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:21,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:21,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:09:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:09:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:21,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882795987] [2020-09-21 11:09:21,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:21,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:09:21,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944820256] [2020-09-21 11:09:21,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:21,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:21,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:21,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:21,402 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 9 states. [2020-09-21 11:09:22,400 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:22,721 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:23,065 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:24,613 INFO L93 Difference]: Finished difference Result 941 states and 1174 transitions. [2020-09-21 11:09:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:09:24,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-09-21 11:09:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:24,618 INFO L225 Difference]: With dead ends: 941 [2020-09-21 11:09:24,619 INFO L226 Difference]: Without dead ends: 546 [2020-09-21 11:09:24,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:09:24,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-09-21 11:09:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 431. [2020-09-21 11:09:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-09-21 11:09:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2020-09-21 11:09:24,707 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2020-09-21 11:09:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:24,708 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2020-09-21 11:09:24,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2020-09-21 11:09:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:09:24,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:24,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:24,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:09:24,710 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:24,711 INFO L82 PathProgramCache]: Analyzing trace with hash 648249998, now seen corresponding path program 1 times [2020-09-21 11:09:24,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:24,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480504173] [2020-09-21 11:09:24,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:09:25,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-21 11:09:25,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:09:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:09:25,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:25,298 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:09:25,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:25,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:25,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:25,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:09:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:09:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:25,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:09:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:25,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:09:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:25,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:09:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:09:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:09:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:25,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:25,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:25,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:25,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:25,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:25,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:25,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:25,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480504173] [2020-09-21 11:09:25,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:25,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:09:25,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528492985] [2020-09-21 11:09:25,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:09:25,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:25,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:09:25,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:09:25,616 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 8 states. [2020-09-21 11:09:26,034 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:26,647 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:29,786 INFO L93 Difference]: Finished difference Result 1309 states and 1687 transitions. [2020-09-21 11:09:29,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:09:29,787 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-09-21 11:09:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:29,795 INFO L225 Difference]: With dead ends: 1309 [2020-09-21 11:09:29,795 INFO L226 Difference]: Without dead ends: 906 [2020-09-21 11:09:29,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:09:29,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-09-21 11:09:29,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 761. [2020-09-21 11:09:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2020-09-21 11:09:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 889 transitions. [2020-09-21 11:09:29,975 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 889 transitions. Word has length 94 [2020-09-21 11:09:29,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:29,975 INFO L479 AbstractCegarLoop]: Abstraction has 761 states and 889 transitions. [2020-09-21 11:09:29,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:09:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 889 transitions. [2020-09-21 11:09:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:09:29,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:29,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:29,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:09:29,979 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:29,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:29,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1149612728, now seen corresponding path program 1 times [2020-09-21 11:09:29,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:29,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082157227] [2020-09-21 11:09:29,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:09:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:09:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:09:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:09:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:09:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:30,373 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:30,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:30,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:30,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:30,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:30,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:30,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:30,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:09:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:09:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:09:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:09:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:30,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:30,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:30,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:30,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:30,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:09:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:30,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:09:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:30,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:30,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:30,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:30,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:30,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:09:30,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082157227] [2020-09-21 11:09:30,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:30,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:09:30,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566771775] [2020-09-21 11:09:30,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:09:30,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:30,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:09:30,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:09:30,605 INFO L87 Difference]: Start difference. First operand 761 states and 889 transitions. Second operand 8 states. [2020-09-21 11:09:31,169 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:34,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:34,848 INFO L93 Difference]: Finished difference Result 1499 states and 1925 transitions. [2020-09-21 11:09:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:09:34,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-21 11:09:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:34,859 INFO L225 Difference]: With dead ends: 1499 [2020-09-21 11:09:34,859 INFO L226 Difference]: Without dead ends: 1496 [2020-09-21 11:09:34,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:09:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-09-21 11:09:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1269. [2020-09-21 11:09:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1269 states. [2020-09-21 11:09:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1498 transitions. [2020-09-21 11:09:35,120 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1498 transitions. Word has length 98 [2020-09-21 11:09:35,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:35,121 INFO L479 AbstractCegarLoop]: Abstraction has 1269 states and 1498 transitions. [2020-09-21 11:09:35,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:09:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1498 transitions. [2020-09-21 11:09:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-21 11:09:35,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:35,126 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-09-21 11:09:35,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:09:35,126 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:35,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1054262603, now seen corresponding path program 1 times [2020-09-21 11:09:35,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:35,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065297264] [2020-09-21 11:09:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -85 [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 85 [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:35,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:35,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-21 11:09:35,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:35,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,486 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:35,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:35,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:09:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:09:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:09:35,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:35,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:09:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:35,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:35,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:09:35,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:35,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:09:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:35,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:09:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:35,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:35,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:35,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:09:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:09:35,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:09:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:09:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-09-21 11:09:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:35,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:09:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:35,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:35,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:35,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:35,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-21 11:09:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-21 11:09:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:35,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:35,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:35,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:35,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:35,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:35,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:35,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-21 11:09:35,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065297264] [2020-09-21 11:09:35,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:35,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:09:35,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251056301] [2020-09-21 11:09:35,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:35,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:35,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:35,884 INFO L87 Difference]: Start difference. First operand 1269 states and 1498 transitions. Second operand 9 states. [2020-09-21 11:09:37,215 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:38,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:38,695 INFO L93 Difference]: Finished difference Result 2281 states and 2814 transitions. [2020-09-21 11:09:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:09:38,696 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2020-09-21 11:09:38,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:38,708 INFO L225 Difference]: With dead ends: 2281 [2020-09-21 11:09:38,708 INFO L226 Difference]: Without dead ends: 1182 [2020-09-21 11:09:38,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:09:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2020-09-21 11:09:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1046. [2020-09-21 11:09:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-09-21 11:09:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1220 transitions. [2020-09-21 11:09:38,897 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1220 transitions. Word has length 162 [2020-09-21 11:09:38,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:38,898 INFO L479 AbstractCegarLoop]: Abstraction has 1046 states and 1220 transitions. [2020-09-21 11:09:38,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1220 transitions. [2020-09-21 11:09:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-21 11:09:38,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:38,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:38,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:09:38,903 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:38,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:38,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1747787381, now seen corresponding path program 1 times [2020-09-21 11:09:38,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:38,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808957172] [2020-09-21 11:09:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:09:38,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:09:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:09:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,288 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:39,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:09:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:09:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:09:39,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:09:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:09:39,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:39,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:09:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:09:39,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:39,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:39,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:39,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:09:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:09:39,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:09:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:39,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:09:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:09:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:09:39,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:39,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:39,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:39,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:39,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:39,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:09:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:09:39,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:09:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:09:39,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:39,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:09:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:39,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-21 11:09:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:39,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-21 11:09:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:39,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:39,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:39,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:39,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:39,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:39,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:39,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:39,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:39,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-21 11:09:39,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808957172] [2020-09-21 11:09:39,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:39,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:09:39,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289909841] [2020-09-21 11:09:39,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:09:39,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:39,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:09:39,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:09:39,775 INFO L87 Difference]: Start difference. First operand 1046 states and 1220 transitions. Second operand 15 states. [2020-09-21 11:09:40,586 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:41,505 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:42,898 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192