/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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:57,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:57,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:57,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:57,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:57,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:57,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:57,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:57,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:57,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:57,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:57,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:57,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:57,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:57,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:57,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:57,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:57,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:57,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:57,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:57,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:57,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:57,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:57,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:57,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:57,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:57,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:57,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:57,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:57,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:57,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:57,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:57,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:57,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:57,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:57,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:57,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:57,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:57,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:57,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:57,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:57,226 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 11:16:57,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:57,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:57,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:57,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:57,256 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:57,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:57,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:57,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:57,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:57,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:57,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:57,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:57,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:57,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:57,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:57,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:57,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:57,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:57,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:57,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:57,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:57,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:57,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:57,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:57,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:57,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:57,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:57,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:57,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:57,262 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 11:16:57,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:57,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:57,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:57,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:57,783 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:57,784 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-21 11:16:57,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99f2cd223/cfc6d0b84c7345c5b97c3a30ce346ab4/FLAG928bbb471 [2020-09-21 11:16:58,562 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:58,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-21 11:16:58,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99f2cd223/cfc6d0b84c7345c5b97c3a30ce346ab4/FLAG928bbb471 [2020-09-21 11:16:58,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99f2cd223/cfc6d0b84c7345c5b97c3a30ce346ab4 [2020-09-21 11:16:58,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:58,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:58,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:58,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:58,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:58,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:58" (1/1) ... [2020-09-21 11:16:58,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:58, skipping insertion in model container [2020-09-21 11:16:58,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:58" (1/1) ... [2020-09-21 11:16:58,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:58,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:59,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:59,292 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:59,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:59,567 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:59,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59 WrapperNode [2020-09-21 11:16:59,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:59,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:59,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:59,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:59,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (1/1) ... [2020-09-21 11:16:59,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:59,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:59,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:59,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:59,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (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 11:16:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:59,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:16:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:16:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:17:01,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:17:01,105 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:17:01,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:01 BoogieIcfgContainer [2020-09-21 11:17:01,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:17:01,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:17:01,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:17:01,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:17:01,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:58" (1/3) ... [2020-09-21 11:17:01,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67b266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:01, skipping insertion in model container [2020-09-21 11:17:01,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:59" (2/3) ... [2020-09-21 11:17:01,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67b266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:01, skipping insertion in model container [2020-09-21 11:17:01,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:01" (3/3) ... [2020-09-21 11:17:01,124 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-09-21 11:17:01,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:17:01,146 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:17:01,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:17:01,198 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:17:01,198 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:17:01,198 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:17:01,198 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:17:01,198 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:17:01,198 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:17:01,199 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:17:01,199 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:17:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2020-09-21 11:17:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:17:01,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:01,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:01,242 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:01,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2020-09-21 11:17:01,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:01,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680312925] [2020-09-21 11:17:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:01,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:01,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:01,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:01,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:17:01,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:17:01,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:17:01,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:01,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,170 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:02,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:02,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:02,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:02,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:02,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:02,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:02,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:17:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:17:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:17:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:02,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:02,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:02,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:02,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:02,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:02,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:02,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:02,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:02,463 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 11:17:02,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680312925] [2020-09-21 11:17:02,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:02,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:17:02,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70502734] [2020-09-21 11:17:02,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:17:02,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:02,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:17:02,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:02,499 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 4 states. [2020-09-21 11:17:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:03,774 INFO L93 Difference]: Finished difference Result 356 states and 457 transitions. [2020-09-21 11:17:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:17:03,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:17:03,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:03,802 INFO L225 Difference]: With dead ends: 356 [2020-09-21 11:17:03,802 INFO L226 Difference]: Without dead ends: 195 [2020-09-21 11:17:03,810 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 11:17:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-21 11:17:03,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 162. [2020-09-21 11:17:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 11:17:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-09-21 11:17:03,963 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2020-09-21 11:17:03,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:03,964 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-09-21 11:17:03,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:17:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-09-21 11:17:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:17:03,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:03,968 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:03,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:17:03,969 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:03,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:03,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2020-09-21 11:17:03,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:03,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237882540] [2020-09-21 11:17:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,318 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:04,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:17:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,432 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 11:17:04,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237882540] [2020-09-21 11:17:04,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:04,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:04,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515503373] [2020-09-21 11:17:04,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:04,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:04,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:04,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:04,437 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 5 states. [2020-09-21 11:17:04,968 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:06,089 INFO L93 Difference]: Finished difference Result 295 states and 361 transitions. [2020-09-21 11:17:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:06,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:17:06,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:06,094 INFO L225 Difference]: With dead ends: 295 [2020-09-21 11:17:06,094 INFO L226 Difference]: Without dead ends: 185 [2020-09-21 11:17:06,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:06,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-09-21 11:17:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-09-21 11:17:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-21 11:17:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-09-21 11:17:06,140 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2020-09-21 11:17:06,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:06,140 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-09-21 11:17:06,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-09-21 11:17:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:17:06,143 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:06,144 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 11:17:06,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:06,144 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:06,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:06,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2020-09-21 11:17:06,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:06,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694765393] [2020-09-21 11:17:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:06,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:17:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-21 11:17:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:17:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:17:06,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,087 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:07,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-21 11:17:07,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:07,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:07,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:07,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:07,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:07,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:17:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:07,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:07,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:07,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:07,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:07,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:07,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:07,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:07,328 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 11:17:07,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694765393] [2020-09-21 11:17:07,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:07,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:07,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148780121] [2020-09-21 11:17:07,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:07,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:07,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:07,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:07,331 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 5 states. [2020-09-21 11:17:07,665 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:09,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:09,802 INFO L93 Difference]: Finished difference Result 445 states and 550 transitions. [2020-09-21 11:17:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:09,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:17:09,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:09,809 INFO L225 Difference]: With dead ends: 445 [2020-09-21 11:17:09,809 INFO L226 Difference]: Without dead ends: 320 [2020-09-21 11:17:09,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-21 11:17:09,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 272. [2020-09-21 11:17:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-21 11:17:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 327 transitions. [2020-09-21 11:17:09,883 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 327 transitions. Word has length 64 [2020-09-21 11:17:09,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:09,883 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 327 transitions. [2020-09-21 11:17:09,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2020-09-21 11:17:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:17:09,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:09,886 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] [2020-09-21 11:17:09,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:09,887 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:09,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:09,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2020-09-21 11:17:09,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:09,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746556684] [2020-09-21 11:17:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:17:10,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-09-21 11:17:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:17:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:17:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,698 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:17:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:10,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:10,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:10,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:10,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:10,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:17:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:10,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:10,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,933 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 11:17:10,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746556684] [2020-09-21 11:17:10,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:10,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:10,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354961706] [2020-09-21 11:17:10,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:10,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:10,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:10,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:10,936 INFO L87 Difference]: Start difference. First operand 272 states and 327 transitions. Second operand 9 states. [2020-09-21 11:17:11,372 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:12,115 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:13,197 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:13,578 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:14,174 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:14,472 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:15,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:15,332 INFO L93 Difference]: Finished difference Result 724 states and 939 transitions. [2020-09-21 11:17:15,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:15,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:17:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:15,339 INFO L225 Difference]: With dead ends: 724 [2020-09-21 11:17:15,340 INFO L226 Difference]: Without dead ends: 480 [2020-09-21 11:17:15,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-21 11:17:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 422. [2020-09-21 11:17:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-21 11:17:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 509 transitions. [2020-09-21 11:17:15,432 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 509 transitions. Word has length 70 [2020-09-21 11:17:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:15,433 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 509 transitions. [2020-09-21 11:17:15,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 509 transitions. [2020-09-21 11:17:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:15,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:15,436 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 11:17:15,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:15,437 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:15,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:15,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2020-09-21 11:17:15,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:15,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858975195] [2020-09-21 11:17:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:15,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-21 11:17:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,783 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:15,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:15,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:15,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:15,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:15,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:15,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:16,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:16,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:16,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:16,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:16,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:16,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:16,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:16,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:16,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:16,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:16,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:16,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:16,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:16,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:16,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:16,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:16,097 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 11:17:16,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858975195] [2020-09-21 11:17:16,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:16,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:16,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960062008] [2020-09-21 11:17:16,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:16,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:16,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:16,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:16,102 INFO L87 Difference]: Start difference. First operand 422 states and 509 transitions. Second operand 9 states. [2020-09-21 11:17:17,315 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:17,641 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:17,968 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:18,282 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:19,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:19,407 INFO L93 Difference]: Finished difference Result 888 states and 1124 transitions. [2020-09-21 11:17:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:19,408 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-09-21 11:17:19,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:19,411 INFO L225 Difference]: With dead ends: 888 [2020-09-21 11:17:19,412 INFO L226 Difference]: Without dead ends: 494 [2020-09-21 11:17:19,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-09-21 11:17:19,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 435. [2020-09-21 11:17:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-21 11:17:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 523 transitions. [2020-09-21 11:17:19,499 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 523 transitions. Word has length 97 [2020-09-21 11:17:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:19,500 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 523 transitions. [2020-09-21 11:17:19,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 523 transitions. [2020-09-21 11:17:19,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:19,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:19,502 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 11:17:19,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:19,503 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:19,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:19,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2020-09-21 11:17:19,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:19,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174352945] [2020-09-21 11:17:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:19,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-21 11:17:19,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-21 11:17:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:19,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:17:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,811 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:19,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:19,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:19,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:19,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:17:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:19,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:19,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:19,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:19,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:19,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:19,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:19,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:19,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:19,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:19,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:19,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,048 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 11:17:20,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174352945] [2020-09-21 11:17:20,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:20,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:20,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429662474] [2020-09-21 11:17:20,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:20,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:20,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:20,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:20,051 INFO L87 Difference]: Start difference. First operand 435 states and 523 transitions. Second operand 8 states. [2020-09-21 11:17:21,100 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:21,433 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:21,752 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:22,892 INFO L93 Difference]: Finished difference Result 909 states and 1169 transitions. [2020-09-21 11:17:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:22,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2020-09-21 11:17:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:22,897 INFO L225 Difference]: With dead ends: 909 [2020-09-21 11:17:22,897 INFO L226 Difference]: Without dead ends: 502 [2020-09-21 11:17:22,899 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 11:17:22,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-09-21 11:17:22,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 443. [2020-09-21 11:17:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-21 11:17:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 531 transitions. [2020-09-21 11:17:22,986 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 531 transitions. Word has length 97 [2020-09-21 11:17:22,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:22,987 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 531 transitions. [2020-09-21 11:17:22,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 531 transitions. [2020-09-21 11:17:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:17:22,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:22,989 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 11:17:22,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:22,989 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:22,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:22,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2020-09-21 11:17:22,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:22,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917660256] [2020-09-21 11:17:22,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:17:23,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-21 11:17:23,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 11:17:23,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,564 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:17:23,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:23,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:23,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:23,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:23,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:23,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:23,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:23,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:23,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:17:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:17:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:23,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:17:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:17:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:17:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:23,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:23,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:17:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:23,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:23,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:23,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,893 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 11:17:23,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917660256] [2020-09-21 11:17:23,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:23,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:17:23,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497258205] [2020-09-21 11:17:23,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:17:23,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:23,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:17:23,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:23,899 INFO L87 Difference]: Start difference. First operand 443 states and 531 transitions. Second operand 7 states. [2020-09-21 11:17:24,192 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:24,810 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:27,289 INFO L93 Difference]: Finished difference Result 1319 states and 1707 transitions. [2020-09-21 11:17:27,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:27,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-09-21 11:17:27,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:27,297 INFO L225 Difference]: With dead ends: 1319 [2020-09-21 11:17:27,297 INFO L226 Difference]: Without dead ends: 904 [2020-09-21 11:17:27,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:17:27,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-09-21 11:17:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 842. [2020-09-21 11:17:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-09-21 11:17:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1026 transitions. [2020-09-21 11:17:27,501 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1026 transitions. Word has length 97 [2020-09-21 11:17:27,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:27,501 INFO L479 AbstractCegarLoop]: Abstraction has 842 states and 1026 transitions. [2020-09-21 11:17:27,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:17:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1026 transitions. [2020-09-21 11:17:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-09-21 11:17:27,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:27,506 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 11:17:27,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:27,506 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:27,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2020-09-21 11:17:27,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:27,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473241911] [2020-09-21 11:17:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:17:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-21 11:17:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:17:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,370 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:28,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:17:28,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:28,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:28,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:28,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:28,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:17:28,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:28,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:28,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:28,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:28,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:28,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:17:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:28,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:28,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:28,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:28,700 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 11:17:28,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473241911] [2020-09-21 11:17:28,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:28,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:28,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445474002] [2020-09-21 11:17:28,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:28,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:28,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:28,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:28,706 INFO L87 Difference]: Start difference. First operand 842 states and 1026 transitions. Second operand 12 states. [2020-09-21 11:17:29,238 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:30,011 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:30,786 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:31,187 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:31,498 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:31,846 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:32,200 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:34,479 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:34,833 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:36,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:36,248 INFO L93 Difference]: Finished difference Result 2411 states and 3136 transitions. [2020-09-21 11:17:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:36,249 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-09-21 11:17:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:36,261 INFO L225 Difference]: With dead ends: 2411 [2020-09-21 11:17:36,261 INFO L226 Difference]: Without dead ends: 1752 [2020-09-21 11:17:36,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2020-09-21 11:17:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1496. [2020-09-21 11:17:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-09-21 11:17:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1809 transitions. [2020-09-21 11:17:36,501 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1809 transitions. Word has length 101 [2020-09-21 11:17:36,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:36,501 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1809 transitions. [2020-09-21 11:17:36,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1809 transitions. [2020-09-21 11:17:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-21 11:17:36,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:36,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:17:36,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:36,506 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:36,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:36,506 INFO L82 PathProgramCache]: Analyzing trace with hash 593895307, now seen corresponding path program 1 times [2020-09-21 11:17:36,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:36,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586110263] [2020-09-21 11:17:36,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:17:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:17:36,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,815 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:36,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:36,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:36,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:36,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:36,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:36,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:36,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:36,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:36,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:17:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:17:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:17:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:17:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:36,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:36,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:36,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:36,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:36,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:36,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:36,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:36,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:17:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:36,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:37,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:37,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:37,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:37,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:17:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:37,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 11:17:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:17:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:37,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 11:17:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:37,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:37,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:37,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:37,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:37,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:37,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:17:37,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586110263] [2020-09-21 11:17:37,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:37,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:17:37,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077947003] [2020-09-21 11:17:37,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:17:37,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:37,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:17:37,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:17:37,098 INFO L87 Difference]: Start difference. First operand 1496 states and 1809 transitions. Second operand 10 states. [2020-09-21 11:17:37,459 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:38,297 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:40,333 INFO L93 Difference]: Finished difference Result 1843 states and 2255 transitions. [2020-09-21 11:17:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:17:40,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2020-09-21 11:17:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:40,339 INFO L225 Difference]: With dead ends: 1843 [2020-09-21 11:17:40,339 INFO L226 Difference]: Without dead ends: 775 [2020-09-21 11:17:40,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:17:40,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-09-21 11:17:40,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 733. [2020-09-21 11:17:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-09-21 11:17:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 867 transitions. [2020-09-21 11:17:40,459 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 867 transitions. Word has length 142 [2020-09-21 11:17:40,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:40,460 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 867 transitions. [2020-09-21 11:17:40,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:17:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 867 transitions. [2020-09-21 11:17:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-21 11:17:40,463 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:40,463 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 11:17:40,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:40,464 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2020-09-21 11:17:40,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:40,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936500519] [2020-09-21 11:17:40,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:40,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -90 [2020-09-21 11:17:40,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 90 [2020-09-21 11:17:40,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-21 11:17:40,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:17:40,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-21 11:17:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:17:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,935 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:40,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:40,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:40,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:40,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:40,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:40,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:40,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:40,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:41,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:17:41,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 11:17:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:41,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:41,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:17:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:41,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:17:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:41,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:41,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:41,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:17:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:41,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:17:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:17:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:17:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:41,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:41,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:41,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:41,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:41,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:41,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:41,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-21 11:17:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:41,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:41,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:41,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-21 11:17:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:41,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:41,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:41,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:41,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:41,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:41,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:41,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:41,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:41,408 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 11:17:41,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936500519] [2020-09-21 11:17:41,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:41,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:17:41,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416689378] [2020-09-21 11:17:41,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:41,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:41,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:41,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:41,412 INFO L87 Difference]: Start difference. First operand 733 states and 867 transitions. Second operand 12 states. [2020-09-21 11:17:41,982 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:17:42,690 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:43,008 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:43,840 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:44,229 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:45,140 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:45,463 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:45,802 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:46,483 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:17:47,171 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:47,655 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:48,412 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:49,029 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:49,887 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:17:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:50,575 INFO L93 Difference]: Finished difference Result 1558 states and 1894 transitions. [2020-09-21 11:17:50,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:17:50,576 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-09-21 11:17:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:50,582 INFO L225 Difference]: With dead ends: 1558 [2020-09-21 11:17:50,582 INFO L226 Difference]: Without dead ends: 924 [2020-09-21 11:17:50,585 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 11:17:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-09-21 11:17:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 845. [2020-09-21 11:17:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-09-21 11:17:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 972 transitions. [2020-09-21 11:17:50,761 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 972 transitions. Word has length 178 [2020-09-21 11:17:50,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:50,762 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 972 transitions. [2020-09-21 11:17:50,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 972 transitions. [2020-09-21 11:17:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-21 11:17:50,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:50,770 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:17:50,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:17:50,771 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:50,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:50,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1357647421, now seen corresponding path program 1 times [2020-09-21 11:17:50,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:50,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608284522] [2020-09-21 11:17:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:17:50,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-09-21 11:17:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:17:50,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,247 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:51,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:17:51,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:51,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:51,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-21 11:17:51,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:51,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:51,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:51,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:51,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:51,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:51,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:51,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:17:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:17:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:17:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:17:51,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:17:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:51,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:51,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:17:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:17:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:51,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:17:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:51,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:51,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-21 11:17:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:17:51,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:17:51,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:51,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:17:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:51,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:51,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:17:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:51,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-21 11:17:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:17:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:17:51,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:17:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:17:51,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:17:51,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:51,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:51,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 11:17:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-21 11:17:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:52,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 77 proven. 29 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-09-21 11:17:52,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608284522] [2020-09-21 11:17:52,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:52,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:17:52,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752783907] [2020-09-21 11:17:52,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:17:52,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:52,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:17:52,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:52,120 INFO L87 Difference]: Start difference. First operand 845 states and 972 transitions. Second operand 14 states. [2020-09-21 11:17:53,427 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 192