/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:52,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:52,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:52,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:52,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:52,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:52,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:52,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:52,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:52,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:52,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:52,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:52,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:52,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:52,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:52,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:52,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:52,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:52,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:52,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:52,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:52,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:52,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:52,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:52,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:52,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:52,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:52,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:52,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:52,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:52,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:52,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:52,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:52,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:52,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:52,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:52,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:52,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:52,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:52,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:52,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:52,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:16:52,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:52,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:52,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:52,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:52,822 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:52,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:52,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:52,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:52,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:52,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:52,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:52,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:52,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:52,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:52,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:52,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:52,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:52,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:52,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:52,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:52,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:52,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:52,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:52,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:52,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:16:53,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:53,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:53,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:53,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:53,297 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:53,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-21 11:16:53,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1486cc34d/140a5148606b40c9a87d786d3a226a41/FLAGbd5cce98b [2020-09-21 11:16:53,952 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:53,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-21 11:16:53,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1486cc34d/140a5148606b40c9a87d786d3a226a41/FLAGbd5cce98b [2020-09-21 11:16:54,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1486cc34d/140a5148606b40c9a87d786d3a226a41 [2020-09-21 11:16:54,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:54,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:54,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:54,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:54,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:54,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:54" (1/1) ... [2020-09-21 11:16:54,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:54, skipping insertion in model container [2020-09-21 11:16:54,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:54" (1/1) ... [2020-09-21 11:16:54,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:54,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:54,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:54,886 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:54,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:55,007 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:55,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55 WrapperNode [2020-09-21 11:16:55,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:55,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:55,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:55,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:55,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... [2020-09-21 11:16:55,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:55,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:55,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:55,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:55,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:16:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:16:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:16:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:16:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:56,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:56,306 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:56,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:56 BoogieIcfgContainer [2020-09-21 11:16:56,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:56,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:56,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:56,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:56,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:54" (1/3) ... [2020-09-21 11:16:56,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181cdb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:56, skipping insertion in model container [2020-09-21 11:16:56,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:55" (2/3) ... [2020-09-21 11:16:56,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181cdb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:56, skipping insertion in model container [2020-09-21 11:16:56,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:56" (3/3) ... [2020-09-21 11:16:56,322 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-09-21 11:16:56,335 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:56,346 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:56,369 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:56,404 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:56,404 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:56,404 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:56,404 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:56,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:56,405 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:56,405 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:56,405 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-09-21 11:16:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:56,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:56,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:56,444 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:56,453 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2020-09-21 11:16:56,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:56,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835943048] [2020-09-21 11:16:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:56,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:56,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:56,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:56,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:56,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:16:56,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,255 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:57,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:57,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:57,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:16:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:16:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:57,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:57,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:57,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:57,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:57,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:57,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:57,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:57,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:57,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:57,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:57,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:57,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835943048] [2020-09-21 11:16:57,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:57,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:57,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176743417] [2020-09-21 11:16:57,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:57,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:57,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:57,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:57,587 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-09-21 11:16:58,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:58,875 INFO L93 Difference]: Finished difference Result 341 states and 436 transitions. [2020-09-21 11:16:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:58,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:58,896 INFO L225 Difference]: With dead ends: 341 [2020-09-21 11:16:58,896 INFO L226 Difference]: Without dead ends: 186 [2020-09-21 11:16:58,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-21 11:16:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-09-21 11:16:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-09-21 11:16:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-09-21 11:16:59,056 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2020-09-21 11:16:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:59,057 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-09-21 11:16:59,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-09-21 11:16:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:16:59,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:59,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:59,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:59,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:59,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2020-09-21 11:16:59,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:59,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265880804] [2020-09-21 11:16:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:59,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:16:59,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:16:59,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:16:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,676 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:16:59,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:59,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:59,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:59,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:59,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:59,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:59,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:59,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:16:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:59,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:59,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:59,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:59,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:59,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:59,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265880804] [2020-09-21 11:16:59,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:59,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:59,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437208831] [2020-09-21 11:16:59,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:59,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:59,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:59,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:59,883 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 5 states. [2020-09-21 11:17:00,298 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:01,472 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2020-09-21 11:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:17:01,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:17:01,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:01,477 INFO L225 Difference]: With dead ends: 314 [2020-09-21 11:17:01,478 INFO L226 Difference]: Without dead ends: 186 [2020-09-21 11:17:01,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-21 11:17:01,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-09-21 11:17:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-09-21 11:17:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-09-21 11:17:01,529 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2020-09-21 11:17:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:01,530 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-09-21 11:17:01,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-09-21 11:17:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 11:17:01,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:01,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:01,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:01,533 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:01,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2020-09-21 11:17:01,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:01,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060543615] [2020-09-21 11:17:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-21 11:17:02,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:17:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,515 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:02,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 11:17:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:02,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:02,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:17:02,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:02,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:02,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:17:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:17:02,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:02,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:17:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:02,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-21 11:17:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:02,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:17:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:02,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060543615] [2020-09-21 11:17:02,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:02,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:02,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287097289] [2020-09-21 11:17:02,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:02,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:02,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:02,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:02,941 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 8 states. [2020-09-21 11:17:03,363 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:05,240 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:06,395 INFO L93 Difference]: Finished difference Result 457 states and 594 transitions. [2020-09-21 11:17:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:06,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2020-09-21 11:17:06,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:06,401 INFO L225 Difference]: With dead ends: 457 [2020-09-21 11:17:06,401 INFO L226 Difference]: Without dead ends: 329 [2020-09-21 11:17:06,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:17:06,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-21 11:17:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 268. [2020-09-21 11:17:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-21 11:17:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 319 transitions. [2020-09-21 11:17:06,465 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 319 transitions. Word has length 82 [2020-09-21 11:17:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:06,465 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 319 transitions. [2020-09-21 11:17:06,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2020-09-21 11:17:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:17:06,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:06,467 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:06,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:06,468 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:06,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1108187355, now seen corresponding path program 1 times [2020-09-21 11:17:06,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:06,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011913477] [2020-09-21 11:17:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-21 11:17:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,848 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:06,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:06,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:17:06,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:17:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:17:06,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:06,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:06,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:06,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:07,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:17:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:07,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-21 11:17:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:07,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011913477] [2020-09-21 11:17:07,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:07,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:17:07,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766994344] [2020-09-21 11:17:07,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:17:07,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:07,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:17:07,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:17:07,035 INFO L87 Difference]: Start difference. First operand 268 states and 319 transitions. Second operand 6 states. [2020-09-21 11:17:07,582 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:08,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:08,818 INFO L93 Difference]: Finished difference Result 479 states and 572 transitions. [2020-09-21 11:17:08,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:08,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-09-21 11:17:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:08,826 INFO L225 Difference]: With dead ends: 479 [2020-09-21 11:17:08,827 INFO L226 Difference]: Without dead ends: 275 [2020-09-21 11:17:08,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:17:08,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-09-21 11:17:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 238. [2020-09-21 11:17:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-21 11:17:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 272 transitions. [2020-09-21 11:17:08,891 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 272 transitions. Word has length 92 [2020-09-21 11:17:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:08,891 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 272 transitions. [2020-09-21 11:17:08,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:17:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2020-09-21 11:17:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:17:08,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:08,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:08,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:08,893 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:08,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:08,894 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2020-09-21 11:17:08,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:08,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652024681] [2020-09-21 11:17:08,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:09,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:09,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:09,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:09,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 678 [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:17:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-21 11:17:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:09,982 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:10,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:17:10,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:17:10,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:10,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:10,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:17:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:10,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:17:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:17:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:10,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:17:10,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652024681] [2020-09-21 11:17:10,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:10,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:10,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673468157] [2020-09-21 11:17:10,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:10,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:10,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:10,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:10,345 INFO L87 Difference]: Start difference. First operand 238 states and 272 transitions. Second operand 9 states. [2020-09-21 11:17:10,817 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:11,856 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:17:12,779 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:13,171 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:13,685 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:13,991 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:14,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:14,851 INFO L93 Difference]: Finished difference Result 490 states and 590 transitions. [2020-09-21 11:17:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:17:14,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-09-21 11:17:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:14,855 INFO L225 Difference]: With dead ends: 490 [2020-09-21 11:17:14,855 INFO L226 Difference]: Without dead ends: 280 [2020-09-21 11:17:14,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:17:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-21 11:17:14,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 237. [2020-09-21 11:17:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-09-21 11:17:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2020-09-21 11:17:14,899 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 96 [2020-09-21 11:17:14,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:14,899 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2020-09-21 11:17:14,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2020-09-21 11:17:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:14,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:14,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:14,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:14,901 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:14,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:14,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times [2020-09-21 11:17:14,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:14,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027091045] [2020-09-21 11:17:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:14,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:14,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:14,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:14,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:14,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,230 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:15,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:15,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:15,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:15,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:15,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:15,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:15,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027091045] [2020-09-21 11:17:15,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:15,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:15,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855280363] [2020-09-21 11:17:15,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:15,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:15,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:15,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:15,499 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand 9 states. [2020-09-21 11:17:16,695 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:17,021 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:17,340 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:17,646 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:18,602 INFO L93 Difference]: Finished difference Result 488 states and 585 transitions. [2020-09-21 11:17:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:18,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-09-21 11:17:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:18,605 INFO L225 Difference]: With dead ends: 488 [2020-09-21 11:17:18,605 INFO L226 Difference]: Without dead ends: 279 [2020-09-21 11:17:18,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:18,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-21 11:17:18,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 242. [2020-09-21 11:17:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-09-21 11:17:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2020-09-21 11:17:18,651 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 97 [2020-09-21 11:17:18,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:18,652 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2020-09-21 11:17:18,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2020-09-21 11:17:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:18,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:18,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:18,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:18,654 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2020-09-21 11:17:18,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:18,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875673196] [2020-09-21 11:17:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-21 11:17:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-21 11:17:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:18,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:18,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:17:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,028 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:19,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:19,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:17:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:19,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:19,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:19,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:19,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875673196] [2020-09-21 11:17:19,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:19,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:19,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918783437] [2020-09-21 11:17:19,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:19,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:19,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:19,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:19,293 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 8 states. [2020-09-21 11:17:20,281 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:20,588 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:20,889 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:21,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:21,849 INFO L93 Difference]: Finished difference Result 497 states and 603 transitions. [2020-09-21 11:17:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:21,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2020-09-21 11:17:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:21,854 INFO L225 Difference]: With dead ends: 497 [2020-09-21 11:17:21,854 INFO L226 Difference]: Without dead ends: 283 [2020-09-21 11:17:21,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-21 11:17:21,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 246. [2020-09-21 11:17:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-09-21 11:17:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2020-09-21 11:17:21,904 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2020-09-21 11:17:21,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:21,904 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2020-09-21 11:17:21,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2020-09-21 11:17:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:21,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:21,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:21,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:21,908 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:21,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:21,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2020-09-21 11:17:21,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:21,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297695390] [2020-09-21 11:17:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:22,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-21 11:17:22,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 11:17:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:22,587 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:22,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:17:22,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:22,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:22,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:17:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:17:22,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:22,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:17:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:22,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:22,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:17:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:17:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:22,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:17:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:22,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297695390] [2020-09-21 11:17:22,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:22,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:17:22,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599209929] [2020-09-21 11:17:22,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:17:22,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:22,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:17:22,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:22,910 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 7 states. [2020-09-21 11:17:23,323 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:24,017 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:26,002 INFO L93 Difference]: Finished difference Result 679 states and 843 transitions. [2020-09-21 11:17:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:26,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-09-21 11:17:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:26,007 INFO L225 Difference]: With dead ends: 679 [2020-09-21 11:17:26,008 INFO L226 Difference]: Without dead ends: 461 [2020-09-21 11:17:26,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:17:26,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-21 11:17:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 423. [2020-09-21 11:17:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-09-21 11:17:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 494 transitions. [2020-09-21 11:17:26,083 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 494 transitions. Word has length 97 [2020-09-21 11:17:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:26,084 INFO L479 AbstractCegarLoop]: Abstraction has 423 states and 494 transitions. [2020-09-21 11:17:26,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:17:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 494 transitions. [2020-09-21 11:17:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-09-21 11:17:26,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:26,086 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:26,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:26,086 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:26,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2020-09-21 11:17:26,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:26,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44605546] [2020-09-21 11:17:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:17:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-09-21 11:17:26,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:17:26,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,086 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:17:27,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:27,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:27,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:27,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:27,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:27,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:17:27,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:27,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:27,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:17:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:27,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:27,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44605546] [2020-09-21 11:17:27,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:27,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:27,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951266925] [2020-09-21 11:17:27,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:27,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:27,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:27,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:27,479 INFO L87 Difference]: Start difference. First operand 423 states and 494 transitions. Second operand 12 states. [2020-09-21 11:17:27,999 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:28,751 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:30,073 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:30,466 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:30,782 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:31,119 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:31,432 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:33,019 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:33,337 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:34,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:34,299 INFO L93 Difference]: Finished difference Result 1166 states and 1447 transitions. [2020-09-21 11:17:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:34,303 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-09-21 11:17:34,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:34,308 INFO L225 Difference]: With dead ends: 1166 [2020-09-21 11:17:34,308 INFO L226 Difference]: Without dead ends: 846 [2020-09-21 11:17:34,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-09-21 11:17:34,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 733. [2020-09-21 11:17:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-09-21 11:17:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 847 transitions. [2020-09-21 11:17:34,427 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 847 transitions. Word has length 101 [2020-09-21 11:17:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:34,428 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 847 transitions. [2020-09-21 11:17:34,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 847 transitions. [2020-09-21 11:17:34,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-21 11:17:34,431 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:34,432 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:34,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:34,432 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2020-09-21 11:17:34,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:34,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392973148] [2020-09-21 11:17:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -90 [2020-09-21 11:17:34,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 90 [2020-09-21 11:17:34,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-21 11:17:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-21 11:17:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:17:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,789 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:34,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:34,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:17:34,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 11:17:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:34,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:34,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:34,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:17:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:34,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:34,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:34,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:17:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:34,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:34,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:34,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:34,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:34,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:34,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:34,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:34,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:34,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:34,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:34,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:34,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:35,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:17:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:35,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:35,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:17:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:17:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:17:35,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:17:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:35,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:35,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:35,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:35,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-21 11:17:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:35,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-21 11:17:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:35,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:35,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:35,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:35,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:35,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:35,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:35,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:17:35,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392973148] [2020-09-21 11:17:35,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:35,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:17:35,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113283045] [2020-09-21 11:17:35,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:35,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:35,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:35,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:35,263 INFO L87 Difference]: Start difference. First operand 733 states and 847 transitions. Second operand 12 states. [2020-09-21 11:17:35,756 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:17:36,575 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:36,924 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:37,759 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:38,139 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:39,046 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:39,369 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:39,692 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:40,342 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:17:41,012 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:41,516 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:42,349 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:42,988 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:43,855 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:44,491 INFO L93 Difference]: Finished difference Result 1564 states and 1861 transitions. [2020-09-21 11:17:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:17:44,492 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-09-21 11:17:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:44,498 INFO L225 Difference]: With dead ends: 1564 [2020-09-21 11:17:44,498 INFO L226 Difference]: Without dead ends: 930 [2020-09-21 11:17:44,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:17:44,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2020-09-21 11:17:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 851. [2020-09-21 11:17:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-09-21 11:17:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 990 transitions. [2020-09-21 11:17:44,640 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 990 transitions. Word has length 178 [2020-09-21 11:17:44,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:44,640 INFO L479 AbstractCegarLoop]: Abstraction has 851 states and 990 transitions. [2020-09-21 11:17:44,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 990 transitions. [2020-09-21 11:17:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-21 11:17:44,647 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:44,647 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:17:44,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:17:44,648 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash 2132607531, now seen corresponding path program 1 times [2020-09-21 11:17:44,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:44,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258284911] [2020-09-21 11:17:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:44,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:44,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-09-21 11:17:44,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:17:44,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-09-21 11:17:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:17:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,082 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:45,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:45,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:17:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:17:45,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:45,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-21 11:17:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:45,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:45,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:45,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:45,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:45,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:45,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:45,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:17:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:17:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:17:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:17:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:17:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:45,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:45,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:45,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:17:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:17:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:45,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:45,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:17:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:45,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:45,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-21 11:17:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:17:45,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:17:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:17:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:45,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:17:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:45,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-21 11:17:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-21 11:17:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-21 11:17:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:45,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:45,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:45,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:45,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-21 11:17:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-21 11:17:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-09-21 11:17:46,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258284911] [2020-09-21 11:17:46,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:46,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:17:46,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37106893] [2020-09-21 11:17:46,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:17:46,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:46,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:17:46,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:46,104 INFO L87 Difference]: Start difference. First operand 851 states and 990 transitions. Second operand 14 states. [2020-09-21 11:17:47,460 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:48,287 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:48,623 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:48,946 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:17:49,234 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189