/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:47:16,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:47:16,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:47:16,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:47:16,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:47:16,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:47:16,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:47:16,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:47:16,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:47:16,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:47:16,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:47:16,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:47:16,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:47:16,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:47:16,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:47:16,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:47:16,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:47:16,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:47:16,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:47:16,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:47:16,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:47:16,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:47:16,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:47:16,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:47:16,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:47:16,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:47:16,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:47:16,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:47:16,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:47:16,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:47:16,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:47:16,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:47:16,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:47:16,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:47:16,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:47:16,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:47:16,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:47:16,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:47:16,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:47:16,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:47:16,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:47:16,569 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 [2020-09-24 15:47:16,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:47:16,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:47:16,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:47:16,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:47:16,609 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:47:16,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:47:16,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:47:16,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:47:16,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:47:16,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:47:16,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:47:16,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:47:16,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:47:16,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:47:16,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:47:16,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:47:16,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:47:16,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:47:16,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:47:16,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:47:16,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:47:16,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:47:16,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:47:16,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:47:16,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:47:16,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:47:16,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:47:16,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:47:16,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:47:16,614 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.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 15:47:17,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:47:17,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:47:17,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:47:17,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:47:17,138 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:47:17,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-09-24 15:47:17,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2257939e/a8a85bb184444560a3aec64d10f57c6e/FLAGf32d197fc [2020-09-24 15:47:17,792 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:47:17,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-09-24 15:47:17,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2257939e/a8a85bb184444560a3aec64d10f57c6e/FLAGf32d197fc [2020-09-24 15:47:18,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2257939e/a8a85bb184444560a3aec64d10f57c6e [2020-09-24 15:47:18,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:47:18,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:47:18,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:18,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:47:18,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:47:18,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18, skipping insertion in model container [2020-09-24 15:47:18,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:47:18,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:47:18,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:18,622 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:47:18,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:18,876 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:47:18,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18 WrapperNode [2020-09-24 15:47:18,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:18,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:47:18,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:47:18,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:47:18,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (1/1) ... [2020-09-24 15:47:18,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:47:18,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:47:18,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:47:18,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:47:18,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (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 [2020-09-24 15:47:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:47:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:47:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:47:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:47:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:47:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:47:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:47:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:47:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:47:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:47:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:47:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:47:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:47:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:47:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:47:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:47:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:47:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:47:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:47:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:47:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:47:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:47:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:47:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:47:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:47:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:47:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:47:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:47:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:47:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:47:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:47:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:47:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:47:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:47:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:47:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:47:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:47:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:47:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:47:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:47:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:47:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:47:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:47:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:47:20,223 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:47:20,224 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:47:20,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:20 BoogieIcfgContainer [2020-09-24 15:47:20,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:47:20,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:47:20,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:47:20,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:47:20,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:47:18" (1/3) ... [2020-09-24 15:47:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f641ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:20, skipping insertion in model container [2020-09-24 15:47:20,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:18" (2/3) ... [2020-09-24 15:47:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f641ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:20, skipping insertion in model container [2020-09-24 15:47:20,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:20" (3/3) ... [2020-09-24 15:47:20,241 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-09-24 15:47:20,253 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:47:20,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:47:20,288 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:47:20,316 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:47:20,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:47:20,317 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:47:20,317 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:47:20,317 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:47:20,317 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:47:20,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:47:20,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:47:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 15:47:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-24 15:47:20,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:20,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:20,369 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:20,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:20,376 INFO L82 PathProgramCache]: Analyzing trace with hash 876604812, now seen corresponding path program 1 times [2020-09-24 15:47:20,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:20,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247655985] [2020-09-24 15:47:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:20,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:20,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:20,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:20,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 15:47:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:47:20,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:47:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:47:21,272 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:21,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:21,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:21,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:21,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:47:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:47:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:21,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:21,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:21,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:21,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:21,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:21,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:21,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:21,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247655985] [2020-09-24 15:47:21,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:21,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:47:21,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477651215] [2020-09-24 15:47:21,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:47:21,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:21,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:47:21,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:21,599 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 3 states. [2020-09-24 15:47:22,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:22,898 INFO L93 Difference]: Finished difference Result 486 states and 575 transitions. [2020-09-24 15:47:22,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:47:22,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-24 15:47:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:22,919 INFO L225 Difference]: With dead ends: 486 [2020-09-24 15:47:22,920 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:47:22,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:22,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:47:23,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 259. [2020-09-24 15:47:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-24 15:47:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 280 transitions. [2020-09-24 15:47:23,033 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 280 transitions. Word has length 153 [2020-09-24 15:47:23,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:23,034 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 280 transitions. [2020-09-24 15:47:23,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:47:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 280 transitions. [2020-09-24 15:47:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-24 15:47:23,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:23,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:23,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:47:23,041 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:23,042 INFO L82 PathProgramCache]: Analyzing trace with hash -880334198, now seen corresponding path program 1 times [2020-09-24 15:47:23,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:23,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708263023] [2020-09-24 15:47:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:47:23,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,448 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:23,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:23,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:23,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:23,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:23,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:47:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:47:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:47:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:23,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:23,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:23,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:23,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:23,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708263023] [2020-09-24 15:47:23,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:23,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:47:23,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801688861] [2020-09-24 15:47:23,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:47:23,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:23,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:47:23,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:47:23,615 INFO L87 Difference]: Start difference. First operand 259 states and 280 transitions. Second operand 4 states. [2020-09-24 15:47:24,230 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:25,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:25,189 INFO L93 Difference]: Finished difference Result 399 states and 446 transitions. [2020-09-24 15:47:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:47:25,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-24 15:47:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:25,197 INFO L225 Difference]: With dead ends: 399 [2020-09-24 15:47:25,198 INFO L226 Difference]: Without dead ends: 284 [2020-09-24 15:47:25,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-09-24 15:47:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 249. [2020-09-24 15:47:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:47:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 267 transitions. [2020-09-24 15:47:25,244 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 267 transitions. Word has length 154 [2020-09-24 15:47:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:25,245 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 267 transitions. [2020-09-24 15:47:25,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:47:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 267 transitions. [2020-09-24 15:47:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:47:25,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:25,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:25,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:47:25,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:25,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:25,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2069807768, now seen corresponding path program 1 times [2020-09-24 15:47:25,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:25,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201473311] [2020-09-24 15:47:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:25,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:47:25,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:47:25,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:47:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,700 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:25,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:25,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:25,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:25,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:25,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:47:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:47:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:25,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:47:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:25,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-24 15:47:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:25,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:25,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:25,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:25,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:25,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:25,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:25,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:25,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:25,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201473311] [2020-09-24 15:47:25,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:25,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:47:25,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137481535] [2020-09-24 15:47:25,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:47:25,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:25,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:47:25,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:25,866 INFO L87 Difference]: Start difference. First operand 249 states and 267 transitions. Second operand 5 states. [2020-09-24 15:47:26,311 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:27,244 INFO L93 Difference]: Finished difference Result 445 states and 508 transitions. [2020-09-24 15:47:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:47:27,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-24 15:47:27,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:27,254 INFO L225 Difference]: With dead ends: 445 [2020-09-24 15:47:27,254 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:47:27,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:47:27,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:47:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 249. [2020-09-24 15:47:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:47:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2020-09-24 15:47:27,336 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 167 [2020-09-24 15:47:27,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:27,338 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2020-09-24 15:47:27,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:47:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2020-09-24 15:47:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 15:47:27,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:27,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:27,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:47:27,343 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash 398712319, now seen corresponding path program 1 times [2020-09-24 15:47:27,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:27,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146801712] [2020-09-24 15:47:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-24 15:47:27,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:47:27,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:47:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:47:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:47:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,777 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:27,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:47:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:27,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:27,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:27,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:27,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:47:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:47:27,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:27,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:27,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:47:27,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:27,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:47:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:27,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:47:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:27,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:27,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:27,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-24 15:47:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:27,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:27,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:27,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:27,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:28,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:28,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:28,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146801712] [2020-09-24 15:47:28,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:28,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:47:28,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414026625] [2020-09-24 15:47:28,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:47:28,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:28,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:47:28,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:47:28,040 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand 7 states. [2020-09-24 15:47:28,569 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:30,154 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:31,164 INFO L93 Difference]: Finished difference Result 638 states and 749 transitions. [2020-09-24 15:47:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:47:31,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-09-24 15:47:31,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:31,170 INFO L225 Difference]: With dead ends: 638 [2020-09-24 15:47:31,170 INFO L226 Difference]: Without dead ends: 499 [2020-09-24 15:47:31,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:47:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-09-24 15:47:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 372. [2020-09-24 15:47:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-09-24 15:47:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 401 transitions. [2020-09-24 15:47:31,229 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 401 transitions. Word has length 175 [2020-09-24 15:47:31,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:31,229 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 401 transitions. [2020-09-24 15:47:31,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:47:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 401 transitions. [2020-09-24 15:47:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:47:31,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:31,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:31,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:47:31,233 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:31,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1043835343, now seen corresponding path program 1 times [2020-09-24 15:47:31,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:31,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251439310] [2020-09-24 15:47:31,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:47:31,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:47:31,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 15:47:31,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:31,730 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:31,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:31,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:47:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:31,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:31,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:31,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:31,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:31,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:31,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:31,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:31,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:31,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:47:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:31,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:47:31,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:31,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:31,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:31,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:31,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:31,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:31,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:47:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:31,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:31,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:31,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:47:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:31,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:31,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:31,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:31,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:31,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:31,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:31,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:31,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:32,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:47:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:32,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:32,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:32,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251439310] [2020-09-24 15:47:32,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:32,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:47:32,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303522319] [2020-09-24 15:47:32,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:47:32,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:32,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:47:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:47:32,103 INFO L87 Difference]: Start difference. First operand 372 states and 401 transitions. Second operand 10 states. [2020-09-24 15:47:32,777 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:34,854 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:35,256 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:35,598 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:35,905 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:36,207 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:36,513 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:36,793 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:38,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:38,139 INFO L93 Difference]: Finished difference Result 1068 states and 1310 transitions. [2020-09-24 15:47:38,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:47:38,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-24 15:47:38,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:38,146 INFO L225 Difference]: With dead ends: 1068 [2020-09-24 15:47:38,146 INFO L226 Difference]: Without dead ends: 806 [2020-09-24 15:47:38,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:47:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-09-24 15:47:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 602. [2020-09-24 15:47:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-09-24 15:47:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 666 transitions. [2020-09-24 15:47:38,231 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 666 transitions. Word has length 199 [2020-09-24 15:47:38,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:38,232 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 666 transitions. [2020-09-24 15:47:38,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:47:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 666 transitions. [2020-09-24 15:47:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:47:38,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:38,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:38,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:47:38,237 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:38,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1519010768, now seen corresponding path program 1 times [2020-09-24 15:47:38,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:38,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315518929] [2020-09-24 15:47:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 15:47:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:38,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-24 15:47:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,591 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:38,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:38,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:38,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:38,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:38,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:38,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:47:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:47:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:38,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:47:38,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:38,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:38,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:47:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:47:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:47:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:38,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315518929] [2020-09-24 15:47:38,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:38,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:47:38,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819519756] [2020-09-24 15:47:38,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:47:38,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:38,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:47:38,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:47:38,915 INFO L87 Difference]: Start difference. First operand 602 states and 666 transitions. Second operand 10 states. [2020-09-24 15:47:40,057 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:40,351 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:40,648 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:40,938 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:41,253 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:42,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:42,501 INFO L93 Difference]: Finished difference Result 1427 states and 1726 transitions. [2020-09-24 15:47:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:47:42,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-24 15:47:42,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:42,510 INFO L225 Difference]: With dead ends: 1427 [2020-09-24 15:47:42,510 INFO L226 Difference]: Without dead ends: 935 [2020-09-24 15:47:42,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:47:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-09-24 15:47:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 601. [2020-09-24 15:47:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-09-24 15:47:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 664 transitions. [2020-09-24 15:47:42,639 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 664 transitions. Word has length 204 [2020-09-24 15:47:42,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:42,639 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 664 transitions. [2020-09-24 15:47:42,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:47:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 664 transitions. [2020-09-24 15:47:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:47:42,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:42,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:42,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:47:42,645 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:42,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1158940624, now seen corresponding path program 1 times [2020-09-24 15:47:42,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:42,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735384825] [2020-09-24 15:47:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:42,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:42,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -81 [2020-09-24 15:47:42,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 81 [2020-09-24 15:47:42,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:42,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 15:47:42,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,019 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:43,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:43,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:43,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:43,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:43,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:47:43,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:47:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:43,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:43,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:47:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:43,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:43,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:47:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:47:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:47:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:43,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735384825] [2020-09-24 15:47:43,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:43,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:47:43,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835684227] [2020-09-24 15:47:43,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:47:43,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:43,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:47:43,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:47:43,311 INFO L87 Difference]: Start difference. First operand 601 states and 664 transitions. Second operand 11 states. [2020-09-24 15:47:44,639 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:44,930 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:45,232 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:45,549 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:45,853 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:46,145 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:47,746 INFO L93 Difference]: Finished difference Result 1432 states and 1747 transitions. [2020-09-24 15:47:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:47:47,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 15:47:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:47,758 INFO L225 Difference]: With dead ends: 1432 [2020-09-24 15:47:47,758 INFO L226 Difference]: Without dead ends: 941 [2020-09-24 15:47:47,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:47:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-09-24 15:47:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 606. [2020-09-24 15:47:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-09-24 15:47:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 669 transitions. [2020-09-24 15:47:47,836 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 669 transitions. Word has length 204 [2020-09-24 15:47:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:47,837 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 669 transitions. [2020-09-24 15:47:47,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:47:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 669 transitions. [2020-09-24 15:47:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:47:47,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:47,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:47,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:47:47,842 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:47,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1099817046, now seen corresponding path program 1 times [2020-09-24 15:47:47,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:47,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479736873] [2020-09-24 15:47:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:47,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:47:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:47:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-24 15:47:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,251 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:47:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:48,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:48,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:48,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:47:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:47:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:47:48,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:47:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:47:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:48,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:47:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 15:47:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:47:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:47:48,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:47:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:47:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:47:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:48,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:47:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:47:48,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:48,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:47:48,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:47:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:47:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:48,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:48,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:47:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 15:47:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:48,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 15:47:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:48,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:48,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:47:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:48,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:48,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:48,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:48,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:47:48,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479736873] [2020-09-24 15:47:48,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:47:48,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:47:48,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625680677] [2020-09-24 15:47:48,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:47:48,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:48,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:47:48,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:47:48,671 INFO L87 Difference]: Start difference. First operand 606 states and 669 transitions. Second operand 15 states. [2020-09-24 15:47:49,212 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:50,290 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:51,586 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:51,932 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:52,322 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:52,669 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:52,996 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:53,304 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:53,612 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:53,942 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:54,260 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:54,615 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:54,922 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:55,230 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:55,866 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:47:56,198 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:47:56,800 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 15:47:57,146 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:57,537 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 15:47:57,883 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:48:01,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:01,589 INFO L93 Difference]: Finished difference Result 2158 states and 2694 transitions. [2020-09-24 15:48:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-24 15:48:01,590 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-09-24 15:48:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:01,601 INFO L225 Difference]: With dead ends: 2158 [2020-09-24 15:48:01,601 INFO L226 Difference]: Without dead ends: 1662 [2020-09-24 15:48:01,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=538, Invalid=2218, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:48:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-09-24 15:48:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1042. [2020-09-24 15:48:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-09-24 15:48:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1151 transitions. [2020-09-24 15:48:01,792 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1151 transitions. Word has length 223 [2020-09-24 15:48:01,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:01,793 INFO L479 AbstractCegarLoop]: Abstraction has 1042 states and 1151 transitions. [2020-09-24 15:48:01,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:48:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1151 transitions. [2020-09-24 15:48:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-24 15:48:01,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:01,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:48:01,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:48:01,804 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:01,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1829357912, now seen corresponding path program 1 times [2020-09-24 15:48:01,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:01,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140610988] [2020-09-24 15:48:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:48:01,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -119 [2020-09-24 15:48:01,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 119 [2020-09-24 15:48:01,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 15:48:01,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 15:48:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,210 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:02,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:02,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:02,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:02,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:02,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:02,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:48:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:02,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:48:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:48:02,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:48:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:02,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:48:02,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:48:02,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:48:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:48:02,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:02,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:02,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:02,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:48:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:02,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:48:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:48:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:02,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:48:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:48:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:02,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:02,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:02,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:48:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:02,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:02,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:02,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:02,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:02,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:02,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:48:02,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:48:02,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140610988] [2020-09-24 15:48:02,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:48:02,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:48:02,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34603343] [2020-09-24 15:48:02,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:48:02,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:02,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:48:02,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:48:02,550 INFO L87 Difference]: Start difference. First operand 1042 states and 1151 transitions. Second operand 11 states. [2020-09-24 15:48:04,292 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:05,115 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:05,471 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:05,871 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:06,269 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:06,611 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:07,769 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:08,117 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:08,275 INFO L93 Difference]: Finished difference Result 2349 states and 2743 transitions. [2020-09-24 15:48:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:48:08,276 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 227 [2020-09-24 15:48:08,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:08,281 INFO L225 Difference]: With dead ends: 2349 [2020-09-24 15:48:08,281 INFO L226 Difference]: Without dead ends: 672 [2020-09-24 15:48:08,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:48:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-09-24 15:48:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 451. [2020-09-24 15:48:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-24 15:48:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 480 transitions. [2020-09-24 15:48:08,354 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 480 transitions. Word has length 227 [2020-09-24 15:48:08,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:08,355 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 480 transitions. [2020-09-24 15:48:08,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:48:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 480 transitions. [2020-09-24 15:48:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-24 15:48:08,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:08,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:48:08,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:48:08,361 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:08,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1373941134, now seen corresponding path program 1 times [2020-09-24 15:48:08,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:08,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143330677] [2020-09-24 15:48:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:48:08,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:48:08,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:48:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:48:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:48:08,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:08,792 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:08,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:08,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:08,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:08,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:08,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:08,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:48:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:08,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:08,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:48:08,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:48:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:08,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:08,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:48:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:48:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:08,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:08,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:08,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:08,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:08,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 15:48:08,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:08,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:08,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:48:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:09,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:09,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:48:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:48:09,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:09,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 15:48:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:48:09,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:48:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:48:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:09,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:48:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:09,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:09,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:09,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:09,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:09,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:09,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:09,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:48:09,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143330677] [2020-09-24 15:48:09,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:48:09,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:48:09,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673911494] [2020-09-24 15:48:09,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:48:09,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:09,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:48:09,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:48:09,194 INFO L87 Difference]: Start difference. First operand 451 states and 480 transitions. Second operand 12 states. [2020-09-24 15:48:10,586 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:11,660 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:11,955 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:12,265 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190