/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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:04,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:04,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:04,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:04,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:04,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:04,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:04,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:04,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:04,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:04,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:04,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:04,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:04,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:04,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:04,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:04,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:04,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:04,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:04,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:04,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:04,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:04,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:04,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:04,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:04,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:04,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:04,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:04,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:04,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:04,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:04,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:04,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:04,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:04,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:04,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:04,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:04,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:04,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:04,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:04,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:04,615 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 11:14:04,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:04,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:04,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:04,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:04,643 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:04,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:04,646 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:04,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:04,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:04,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:04,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:04,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:04,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:04,647 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:04,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:04,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:04,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:04,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:04,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:04,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:04,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:04,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:04,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:04,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:04,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:04,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:04,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:04,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:04,653 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 11:14:05,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:05,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:05,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:05,135 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:05,135 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:05,137 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-21 11:14:05,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5bea38ab/23cfb0ffd2ed4722873f5acbb23f7dfe/FLAGbb4fc322a [2020-09-21 11:14:05,810 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:05,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-21 11:14:05,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5bea38ab/23cfb0ffd2ed4722873f5acbb23f7dfe/FLAGbb4fc322a [2020-09-21 11:14:06,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5bea38ab/23cfb0ffd2ed4722873f5acbb23f7dfe [2020-09-21 11:14:06,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:06,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:06,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:06,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:06,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:06,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4147517c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06, skipping insertion in model container [2020-09-21 11:14:06,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:06,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:06,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:06,704 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:06,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:06,838 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:06,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06 WrapperNode [2020-09-21 11:14:06,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:06,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:06,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:06,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:06,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:06,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:06,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:06,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:06,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (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 11:14:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:14:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-21 11:14:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-21 11:14:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:14:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:14:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:14:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:08,132 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:08,132 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:08,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:08 BoogieIcfgContainer [2020-09-21 11:14:08,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:08,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:08,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:08,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:08,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:06" (1/3) ... [2020-09-21 11:14:08,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1719200a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:08, skipping insertion in model container [2020-09-21 11:14:08,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (2/3) ... [2020-09-21 11:14:08,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1719200a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:08, skipping insertion in model container [2020-09-21 11:14:08,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:08" (3/3) ... [2020-09-21 11:14:08,158 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-21 11:14:08,170 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:08,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:08,203 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:08,230 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:08,230 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:08,230 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:08,230 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:08,230 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:08,231 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:08,231 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:08,231 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-09-21 11:14:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-21 11:14:08,274 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:08,275 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:08,275 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:08,283 INFO L82 PathProgramCache]: Analyzing trace with hash 88276295, now seen corresponding path program 1 times [2020-09-21 11:14:08,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:08,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673636399] [2020-09-21 11:14:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 11:14:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:08,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:14:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,148 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:09,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:09,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:14:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:09,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:14:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:09,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673636399] [2020-09-21 11:14:09,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:09,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:14:09,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206725783] [2020-09-21 11:14:09,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:14:09,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:09,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:14:09,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:09,530 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 5 states. [2020-09-21 11:14:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:11,948 INFO L93 Difference]: Finished difference Result 442 states and 581 transitions. [2020-09-21 11:14:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:14:11,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-09-21 11:14:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:11,970 INFO L225 Difference]: With dead ends: 442 [2020-09-21 11:14:11,970 INFO L226 Difference]: Without dead ends: 251 [2020-09-21 11:14:11,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:14:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-21 11:14:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 202. [2020-09-21 11:14:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-21 11:14:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2020-09-21 11:14:12,101 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 78 [2020-09-21 11:14:12,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:12,102 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2020-09-21 11:14:12,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:14:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2020-09-21 11:14:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:14:12,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:12,107 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:12,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:12,108 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:12,108 INFO L82 PathProgramCache]: Analyzing trace with hash 128874418, now seen corresponding path program 1 times [2020-09-21 11:14:12,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:12,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769382563] [2020-09-21 11:14:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:14:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,538 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:12,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:14:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:14:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:12,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:12,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:12,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:12,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769382563] [2020-09-21 11:14:12,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:12,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:14:12,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713973799] [2020-09-21 11:14:12,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:14:12,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:12,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:14:12,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:14:12,712 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand 6 states. [2020-09-21 11:14:13,527 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:14:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:15,407 INFO L93 Difference]: Finished difference Result 366 states and 459 transitions. [2020-09-21 11:14:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:14:15,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-09-21 11:14:15,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:15,414 INFO L225 Difference]: With dead ends: 366 [2020-09-21 11:14:15,414 INFO L226 Difference]: Without dead ends: 235 [2020-09-21 11:14:15,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:15,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-09-21 11:14:15,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2020-09-21 11:14:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-21 11:14:15,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 235 transitions. [2020-09-21 11:14:15,469 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 235 transitions. Word has length 79 [2020-09-21 11:14:15,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:15,470 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 235 transitions. [2020-09-21 11:14:15,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:14:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 235 transitions. [2020-09-21 11:14:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-09-21 11:14:15,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:15,473 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:15,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:15,474 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:15,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:15,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2075074883, now seen corresponding path program 1 times [2020-09-21 11:14:15,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:15,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409502514] [2020-09-21 11:14:15,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:14:15,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:14:15,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-09-21 11:14:15,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:15,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:15,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:14:15,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,352 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:14:16,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:16,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:16,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:16,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:14:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:16,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:14:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:14:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:16,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:16,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409502514] [2020-09-21 11:14:16,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:16,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:14:16,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161370719] [2020-09-21 11:14:16,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:14:16,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:14:16,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:14:16,718 INFO L87 Difference]: Start difference. First operand 193 states and 235 transitions. Second operand 7 states. [2020-09-21 11:14:17,195 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:18,313 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:14:21,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:21,579 INFO L93 Difference]: Finished difference Result 628 states and 796 transitions. [2020-09-21 11:14:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:21,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-09-21 11:14:21,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:21,585 INFO L225 Difference]: With dead ends: 628 [2020-09-21 11:14:21,585 INFO L226 Difference]: Without dead ends: 476 [2020-09-21 11:14:21,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:14:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-09-21 11:14:21,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 385. [2020-09-21 11:14:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-21 11:14:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 480 transitions. [2020-09-21 11:14:21,691 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 480 transitions. Word has length 84 [2020-09-21 11:14:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:21,692 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 480 transitions. [2020-09-21 11:14:21,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:14:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 480 transitions. [2020-09-21 11:14:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:14:21,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:21,695 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:21,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:21,695 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:21,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1129127896, now seen corresponding path program 1 times [2020-09-21 11:14:21,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:21,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354074824] [2020-09-21 11:14:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:14:22,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:14:22,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-21 11:14:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-21 11:14:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,479 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:22,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:14:22,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:22,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:22,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:22,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:14:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:22,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:22,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:14:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:22,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:22,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:14:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:22,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354074824] [2020-09-21 11:14:22,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:22,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:14:22,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827876109] [2020-09-21 11:14:22,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:22,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:22,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:22,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:22,753 INFO L87 Difference]: Start difference. First operand 385 states and 480 transitions. Second operand 10 states. [2020-09-21 11:14:23,409 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:25,332 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:25,824 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:26,312 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:26,677 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:29,455 INFO L93 Difference]: Finished difference Result 1192 states and 1594 transitions. [2020-09-21 11:14:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:14:29,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:14:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:29,463 INFO L225 Difference]: With dead ends: 1192 [2020-09-21 11:14:29,464 INFO L226 Difference]: Without dead ends: 848 [2020-09-21 11:14:29,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:14:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-09-21 11:14:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 754. [2020-09-21 11:14:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-21 11:14:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 953 transitions. [2020-09-21 11:14:29,653 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 953 transitions. Word has length 90 [2020-09-21 11:14:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:29,654 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 953 transitions. [2020-09-21 11:14:29,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:14:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 953 transitions. [2020-09-21 11:14:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:14:29,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:29,658 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:29,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:29,658 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:29,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1048063710, now seen corresponding path program 1 times [2020-09-21 11:14:29,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:29,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859618625] [2020-09-21 11:14:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:14:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-09-21 11:14:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:14:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:14:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,686 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:14:30,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:30,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:30,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:30,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:14:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:30,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:30,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:30,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:14:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:30,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:14:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:30,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:30,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:30,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:30,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:30,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:30,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:30,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:30,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:30,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:30,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:30,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:31,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:14:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:31,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:31,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:31,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:31,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:31,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859618625] [2020-09-21 11:14:31,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:31,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-21 11:14:31,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348615950] [2020-09-21 11:14:31,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:14:31,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:31,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:14:31,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:14:31,042 INFO L87 Difference]: Start difference. First operand 754 states and 953 transitions. Second operand 13 states. [2020-09-21 11:14:31,791 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:32,855 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:34,518 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:14:35,327 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:14:35,738 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:14:36,340 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:36,840 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:37,588 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 211 [2020-09-21 11:14:41,339 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 214 [2020-09-21 11:14:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:44,656 INFO L93 Difference]: Finished difference Result 2335 states and 3197 transitions. [2020-09-21 11:14:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:14:44,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-09-21 11:14:44,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:44,670 INFO L225 Difference]: With dead ends: 2335 [2020-09-21 11:14:44,670 INFO L226 Difference]: Without dead ends: 1933 [2020-09-21 11:14:44,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=372, Invalid=1268, Unknown=0, NotChecked=0, Total=1640 [2020-09-21 11:14:44,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-09-21 11:14:44,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1617. [2020-09-21 11:14:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2020-09-21 11:14:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2053 transitions. [2020-09-21 11:14:44,996 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2053 transitions. Word has length 94 [2020-09-21 11:14:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:44,997 INFO L479 AbstractCegarLoop]: Abstraction has 1617 states and 2053 transitions. [2020-09-21 11:14:44,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:14:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2053 transitions. [2020-09-21 11:14:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:14:45,001 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:45,001 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:45,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:14:45,002 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1905240978, now seen corresponding path program 1 times [2020-09-21 11:14:45,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:45,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018576271] [2020-09-21 11:14:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:14:45,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-21 11:14:45,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:14:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,712 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:14:45,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:45,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:14:45,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:45,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:45,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:14:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:45,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:45,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:45,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:14:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:14:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:45,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:45,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:45,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:45,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:45,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:14:46,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018576271] [2020-09-21 11:14:46,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:46,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:46,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975817889] [2020-09-21 11:14:46,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:46,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:46,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:46,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:46,044 INFO L87 Difference]: Start difference. First operand 1617 states and 2053 transitions. Second operand 8 states. [2020-09-21 11:14:46,550 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-21 11:14:50,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:50,740 INFO L93 Difference]: Finished difference Result 3938 states and 5294 transitions. [2020-09-21 11:14:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:14:50,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-09-21 11:14:50,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:50,757 INFO L225 Difference]: With dead ends: 3938 [2020-09-21 11:14:50,757 INFO L226 Difference]: Without dead ends: 2362 [2020-09-21 11:14:50,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:14:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-09-21 11:14:51,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2240. [2020-09-21 11:14:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-09-21 11:14:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2861 transitions. [2020-09-21 11:14:51,315 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2861 transitions. Word has length 94 [2020-09-21 11:14:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:51,316 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2861 transitions. [2020-09-21 11:14:51,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2861 transitions. [2020-09-21 11:14:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-21 11:14:51,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:51,325 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 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] [2020-09-21 11:14:51,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:14:51,326 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:51,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:51,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1658452204, now seen corresponding path program 1 times [2020-09-21 11:14:51,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:51,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932174051] [2020-09-21 11:14:51,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-21 11:14:51,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:14:51,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-21 11:14:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:51,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:51,785 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:51,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:51,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:51,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:51,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:51,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:14:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:14:51,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:51,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:14:51,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:51,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:51,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:51,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:51,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:51,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:14:51,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:51,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:51,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:14:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:14:52,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:52,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:14:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:14:52,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:52,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:14:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:52,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:52,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:52,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:52,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:52,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:14:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:52,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:52,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-21 11:14:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 11:14:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:14:52,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:14:52,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:14:52,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:52,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:52,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-21 11:14:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:52,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-21 11:14:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:52,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:52,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:52,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:52,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:52,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:52,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:52,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-21 11:14:52,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932174051] [2020-09-21 11:14:52,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:52,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:14:52,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379646607] [2020-09-21 11:14:52,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:52,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:52,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:52,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:52,262 INFO L87 Difference]: Start difference. First operand 2240 states and 2861 transitions. Second operand 12 states. [2020-09-21 11:14:54,248 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-21 11:14:54,634 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:14:54,999 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:14:55,370 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:14:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:57,545 INFO L93 Difference]: Finished difference Result 4664 states and 6402 transitions. [2020-09-21 11:14:57,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:14:57,546 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-21 11:14:57,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:57,563 INFO L225 Difference]: With dead ends: 4664 [2020-09-21 11:14:57,563 INFO L226 Difference]: Without dead ends: 2465 [2020-09-21 11:14:57,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:14:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2020-09-21 11:14:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2302. [2020-09-21 11:14:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2020-09-21 11:14:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 2927 transitions. [2020-09-21 11:14:58,011 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 2927 transitions. Word has length 166 [2020-09-21 11:14:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:58,015 INFO L479 AbstractCegarLoop]: Abstraction has 2302 states and 2927 transitions. [2020-09-21 11:14:58,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2927 transitions. [2020-09-21 11:14:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-21 11:14:58,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:58,023 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 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] [2020-09-21 11:14:58,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:14:58,024 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:58,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:58,025 INFO L82 PathProgramCache]: Analyzing trace with hash 600614126, now seen corresponding path program 1 times [2020-09-21 11:14:58,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:58,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988196245] [2020-09-21 11:14:58,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:14:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -104 [2020-09-21 11:14:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 104 [2020-09-21 11:14:58,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-21 11:14:58,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:58,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:14:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:58,493 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-21 11:14:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:58,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:14:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:14:58,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-21 11:14:58,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:58,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:14:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:58,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:14:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:14:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:14:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 11:14:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:14:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:14:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:14:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:14:58,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:58,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:14:58,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:14:58,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:58,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:14:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:14:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:14:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:58,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:14:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:58,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:58,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:58,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:58,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:58,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:58,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:58,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:14:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:58,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:59,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:14:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:59,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:59,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-21 11:14:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:59,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:59,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 11:14:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:14:59,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:14:59,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:59,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:14:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:59,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-21 11:14:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:59,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-21 11:14:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:59,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:59,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:59,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:59,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:59,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:59,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:59,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-21 11:14:59,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988196245] [2020-09-21 11:14:59,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:59,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:14:59,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551019411] [2020-09-21 11:14:59,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:14:59,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:59,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:14:59,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:59,234 INFO L87 Difference]: Start difference. First operand 2302 states and 2927 transitions. Second operand 11 states. [2020-09-21 11:15:01,222 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:15:01,614 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 211