/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:41:30,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:41:30,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:41:30,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:41:30,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:41:30,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:41:30,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:41:30,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:41:30,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:41:30,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:41:30,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:41:30,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:41:30,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:41:30,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:41:30,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:41:30,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:41:30,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:41:30,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:41:30,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:41:30,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:41:30,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:41:30,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:41:30,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:41:30,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:41:30,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:41:30,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:41:30,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:41:30,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:41:30,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:41:30,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:41:30,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:41:30,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:41:30,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:41:30,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:41:30,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:41:30,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:41:30,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:41:30,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:41:30,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:41:30,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:41:30,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:41:30,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:41:30,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:41:30,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:41:30,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:41:30,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:41:30,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:41:30,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:41:30,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:41:30,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:41:30,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:41:30,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:41:30,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:41:30,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:41:30,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:41:30,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:41:30,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:41:30,613 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:41:30,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:41:30,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:41:30,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:41:30,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:41:30,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:41:30,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:41:30,614 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-08-22 21:41:30,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:41:30,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:41:30,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:41:30,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:41:30,946 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:41:30,947 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-22 21:41:31,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5685168ea/616fa66933ce4ea19d3e1a35a2deb07d/FLAG2febcb563 [2020-08-22 21:41:31,626 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:41:31,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-22 21:41:31,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5685168ea/616fa66933ce4ea19d3e1a35a2deb07d/FLAG2febcb563 [2020-08-22 21:41:31,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5685168ea/616fa66933ce4ea19d3e1a35a2deb07d [2020-08-22 21:41:31,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:41:31,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:41:31,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:41:31,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:41:31,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:41:31,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:41:31" (1/1) ... [2020-08-22 21:41:31,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a9c366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:31, skipping insertion in model container [2020-08-22 21:41:31,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:41:31" (1/1) ... [2020-08-22 21:41:31,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:41:31,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:41:32,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:41:32,313 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:41:32,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:41:32,600 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:41:32,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32 WrapperNode [2020-08-22 21:41:32,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:41:32,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:41:32,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:41:32,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:41:32,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... [2020-08-22 21:41:32,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:41:32,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:41:32,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:41:32,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:41:32,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-08-22 21:41:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:41:32,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:41:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:41:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:41:32,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 21:41:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:41:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:41:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:41:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 21:41:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:41:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:41:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:41:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:41:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:41:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:41:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:41:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 21:41:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:41:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:41:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:41:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:41:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:41:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:41:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:41:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:41:32,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 21:41:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 21:41:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 21:41:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:41:32,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:41:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:41:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:41:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 21:41:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:41:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:41:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:41:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:41:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:41:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:41:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:41:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:41:33,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:41:33,893 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:41:33,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:41:33 BoogieIcfgContainer [2020-08-22 21:41:33,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:41:33,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:41:33,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:41:33,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:41:33,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:41:31" (1/3) ... [2020-08-22 21:41:33,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2012862b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:41:33, skipping insertion in model container [2020-08-22 21:41:33,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:41:32" (2/3) ... [2020-08-22 21:41:33,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2012862b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:41:33, skipping insertion in model container [2020-08-22 21:41:33,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:41:33" (3/3) ... [2020-08-22 21:41:33,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-08-22 21:41:33,918 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:41:33,927 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:41:33,941 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:41:33,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:41:33,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:41:33,963 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:41:33,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:41:33,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:41:33,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:41:33,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:41:33,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:41:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-08-22 21:41:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 21:41:34,006 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:34,008 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] [2020-08-22 21:41:34,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:34,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-08-22 21:41:34,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:34,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32135030] [2020-08-22 21:41:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,712 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:41:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:41:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 21:41:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:41:34,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32135030] [2020-08-22 21:41:34,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:34,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:41:34,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216169619] [2020-08-22 21:41:34,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:41:34,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:34,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:41:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:41:34,966 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-08-22 21:41:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:41:36,618 INFO L93 Difference]: Finished difference Result 584 states and 687 transitions. [2020-08-22 21:41:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:41:36,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 21:41:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:41:36,638 INFO L225 Difference]: With dead ends: 584 [2020-08-22 21:41:36,638 INFO L226 Difference]: Without dead ends: 360 [2020-08-22 21:41:36,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:41:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-08-22 21:41:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 309. [2020-08-22 21:41:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-08-22 21:41:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 339 transitions. [2020-08-22 21:41:36,806 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 339 transitions. Word has length 160 [2020-08-22 21:41:36,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:41:36,807 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 339 transitions. [2020-08-22 21:41:36,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:41:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 339 transitions. [2020-08-22 21:41:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 21:41:36,812 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:36,812 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] [2020-08-22 21:41:36,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:41:36,813 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:36,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1699569308, now seen corresponding path program 1 times [2020-08-22 21:41:36,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:36,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771795991] [2020-08-22 21:41:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,224 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:41:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:41:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:41:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:41:37,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771795991] [2020-08-22 21:41:37,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:37,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:41:37,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084449084] [2020-08-22 21:41:37,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:41:37,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:37,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:41:37,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:41:37,313 INFO L87 Difference]: Start difference. First operand 309 states and 339 transitions. Second operand 5 states. [2020-08-22 21:41:37,938 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:39,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:41:39,212 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-08-22 21:41:39,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:41:39,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 21:41:39,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:41:39,219 INFO L225 Difference]: With dead ends: 503 [2020-08-22 21:41:39,219 INFO L226 Difference]: Without dead ends: 349 [2020-08-22 21:41:39,221 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 [2020-08-22 21:41:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-22 21:41:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 299. [2020-08-22 21:41:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-08-22 21:41:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-08-22 21:41:39,313 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-08-22 21:41:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:41:39,314 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-08-22 21:41:39,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:41:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-08-22 21:41:39,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 21:41:39,317 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:39,317 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] [2020-08-22 21:41:39,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:41:39,318 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:39,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:39,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1512642209, now seen corresponding path program 1 times [2020-08-22 21:41:39,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:39,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420998610] [2020-08-22 21:41:39,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,669 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:41:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:41:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 21:41:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-08-22 21:41:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:41:39,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420998610] [2020-08-22 21:41:39,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:39,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:41:39,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185312196] [2020-08-22 21:41:39,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:41:39,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:39,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:41:39,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:41:39,825 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 11 states. [2020-08-22 21:41:40,505 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:41:40,853 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:41:41,105 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:41:41,368 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:41,628 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:41:41,857 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:43,081 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:41:45,809 INFO L93 Difference]: Finished difference Result 838 states and 977 transitions. [2020-08-22 21:41:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:41:45,810 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-08-22 21:41:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:41:45,816 INFO L225 Difference]: With dead ends: 838 [2020-08-22 21:41:45,817 INFO L226 Difference]: Without dead ends: 654 [2020-08-22 21:41:45,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-08-22 21:41:45,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-08-22 21:41:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 551. [2020-08-22 21:41:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-08-22 21:41:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 621 transitions. [2020-08-22 21:41:46,075 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 621 transitions. Word has length 174 [2020-08-22 21:41:46,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:41:46,077 INFO L479 AbstractCegarLoop]: Abstraction has 551 states and 621 transitions. [2020-08-22 21:41:46,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:41:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 621 transitions. [2020-08-22 21:41:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-22 21:41:46,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:46,082 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] [2020-08-22 21:41:46,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:41:46,083 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:46,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:46,083 INFO L82 PathProgramCache]: Analyzing trace with hash -159814954, now seen corresponding path program 1 times [2020-08-22 21:41:46,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:46,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604908518] [2020-08-22 21:41:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,557 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:41:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:41:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-08-22 21:41:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 21:41:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 21:41:46,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604908518] [2020-08-22 21:41:46,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:46,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:41:46,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636807803] [2020-08-22 21:41:46,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:41:46,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:46,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:41:46,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:41:46,772 INFO L87 Difference]: Start difference. First operand 551 states and 621 transitions. Second operand 10 states. [2020-08-22 21:41:47,465 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:41:48,369 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:48,612 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:41:49,596 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:41:49,882 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:50,181 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:50,415 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:50,702 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:41:50,936 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:52,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:41:52,049 INFO L93 Difference]: Finished difference Result 1268 states and 1523 transitions. [2020-08-22 21:41:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:41:52,050 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-08-22 21:41:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:41:52,056 INFO L225 Difference]: With dead ends: 1268 [2020-08-22 21:41:52,056 INFO L226 Difference]: Without dead ends: 832 [2020-08-22 21:41:52,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:41:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-08-22 21:41:52,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 739. [2020-08-22 21:41:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-08-22 21:41:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 835 transitions. [2020-08-22 21:41:52,310 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 835 transitions. Word has length 179 [2020-08-22 21:41:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:41:52,311 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 835 transitions. [2020-08-22 21:41:52,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:41:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 835 transitions. [2020-08-22 21:41:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 21:41:52,315 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:52,315 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] [2020-08-22 21:41:52,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:41:52,316 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:52,316 INFO L82 PathProgramCache]: Analyzing trace with hash 64355154, now seen corresponding path program 1 times [2020-08-22 21:41:52,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:52,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738475545] [2020-08-22 21:41:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,593 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:52,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:41:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:41:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:41:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:41:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:41:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 21:41:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 21:41:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:41:52,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738475545] [2020-08-22 21:41:52,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:52,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:41:52,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417249487] [2020-08-22 21:41:52,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:41:52,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:52,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:41:52,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:41:52,839 INFO L87 Difference]: Start difference. First operand 739 states and 835 transitions. Second operand 11 states. [2020-08-22 21:41:54,326 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:54,561 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:41:54,810 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:41:55,047 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:55,307 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:41:55,561 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:56,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:41:56,881 INFO L93 Difference]: Finished difference Result 1571 states and 1883 transitions. [2020-08-22 21:41:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 21:41:56,882 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-08-22 21:41:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:41:56,889 INFO L225 Difference]: With dead ends: 1571 [2020-08-22 21:41:56,889 INFO L226 Difference]: Without dead ends: 947 [2020-08-22 21:41:56,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:41:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-08-22 21:41:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 758. [2020-08-22 21:41:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-08-22 21:41:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 855 transitions. [2020-08-22 21:41:57,157 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 855 transitions. Word has length 217 [2020-08-22 21:41:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:41:57,157 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 855 transitions. [2020-08-22 21:41:57,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:41:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 855 transitions. [2020-08-22 21:41:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 21:41:57,168 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:41:57,168 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] [2020-08-22 21:41:57,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:41:57,169 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:41:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:41:57,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-08-22 21:41:57,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:41:57,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340661363] [2020-08-22 21:41:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:41:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,431 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:41:57,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:41:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:41:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:41:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:41:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:41:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:41:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:41:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:41:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:41:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:41:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:41:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:41:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 21:41:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 21:41:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:41:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:41:57,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340661363] [2020-08-22 21:41:57,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:41:57,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:41:57,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047836381] [2020-08-22 21:41:57,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:41:57,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:41:57,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:41:57,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:41:57,684 INFO L87 Difference]: Start difference. First operand 758 states and 855 transitions. Second operand 14 states. [2020-08-22 21:41:58,284 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:41:58,514 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:41:58,745 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:41:58,980 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:41:59,249 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:00,355 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:00,591 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:00,862 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:01,137 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:01,381 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:02,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:42:02,907 INFO L93 Difference]: Finished difference Result 1612 states and 1954 transitions. [2020-08-22 21:42:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:42:02,908 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-08-22 21:42:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:42:02,916 INFO L225 Difference]: With dead ends: 1612 [2020-08-22 21:42:02,917 INFO L226 Difference]: Without dead ends: 969 [2020-08-22 21:42:02,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:42:02,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-08-22 21:42:03,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 770. [2020-08-22 21:42:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-08-22 21:42:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 867 transitions. [2020-08-22 21:42:03,110 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 867 transitions. Word has length 217 [2020-08-22 21:42:03,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:42:03,111 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 867 transitions. [2020-08-22 21:42:03,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:42:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 867 transitions. [2020-08-22 21:42:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 21:42:03,113 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:42:03,113 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] [2020-08-22 21:42:03,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:42:03,114 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:42:03,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:42:03,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-08-22 21:42:03,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:42:03,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352889863] [2020-08-22 21:42:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:42:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,376 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:42:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:42:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:42:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:42:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:42:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:42:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:42:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:42:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:42:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 21:42:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 21:42:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:42:03,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352889863] [2020-08-22 21:42:03,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:42:03,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:42:03,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528051582] [2020-08-22 21:42:03,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:42:03,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:42:03,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:42:03,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:42:03,697 INFO L87 Difference]: Start difference. First operand 770 states and 867 transitions. Second operand 8 states. [2020-08-22 21:42:04,131 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:04,678 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:07,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:42:07,874 INFO L93 Difference]: Finished difference Result 2401 states and 2938 transitions. [2020-08-22 21:42:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 21:42:07,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-22 21:42:07,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:42:07,887 INFO L225 Difference]: With dead ends: 2401 [2020-08-22 21:42:07,888 INFO L226 Difference]: Without dead ends: 1746 [2020-08-22 21:42:07,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-08-22 21:42:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-08-22 21:42:08,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1478. [2020-08-22 21:42:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-22 21:42:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1690 transitions. [2020-08-22 21:42:08,480 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1690 transitions. Word has length 217 [2020-08-22 21:42:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:42:08,481 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 1690 transitions. [2020-08-22 21:42:08,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:42:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1690 transitions. [2020-08-22 21:42:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-08-22 21:42:08,484 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:42:08,484 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] [2020-08-22 21:42:08,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:42:08,485 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:42:08,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:42:08,485 INFO L82 PathProgramCache]: Analyzing trace with hash -388346294, now seen corresponding path program 1 times [2020-08-22 21:42:08,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:42:08,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405487112] [2020-08-22 21:42:08,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:42:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,792 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:42:08,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:42:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:42:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:42:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:42:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:42:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:42:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:42:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:42:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 21:42:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:08,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 21:42:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:09,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-08-22 21:42:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:42:09,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405487112] [2020-08-22 21:42:09,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:42:09,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 21:42:09,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728750902] [2020-08-22 21:42:09,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:42:09,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:42:09,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:42:09,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:42:09,087 INFO L87 Difference]: Start difference. First operand 1478 states and 1690 transitions. Second operand 15 states. [2020-08-22 21:42:09,774 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 21:42:10,617 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:11,767 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 21:42:12,233 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 21:42:12,542 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:12,787 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:42:13,251 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 21:42:13,490 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:13,848 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:42:14,091 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:17,205 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 21:42:17,692 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:17,932 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:18,375 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:19,627 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 21:42:20,068 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 21:42:20,536 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 21:42:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:42:21,492 INFO L93 Difference]: Finished difference Result 4573 states and 5620 transitions. [2020-08-22 21:42:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-08-22 21:42:21,493 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-08-22 21:42:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:42:21,513 INFO L225 Difference]: With dead ends: 4573 [2020-08-22 21:42:21,513 INFO L226 Difference]: Without dead ends: 3501 [2020-08-22 21:42:21,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-08-22 21:42:21,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2020-08-22 21:42:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2785. [2020-08-22 21:42:22,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2785 states. [2020-08-22 21:42:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3161 transitions. [2020-08-22 21:42:22,954 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3161 transitions. Word has length 222 [2020-08-22 21:42:22,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:42:22,954 INFO L479 AbstractCegarLoop]: Abstraction has 2785 states and 3161 transitions. [2020-08-22 21:42:22,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:42:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3161 transitions. [2020-08-22 21:42:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-08-22 21:42:22,960 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:42:22,961 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:42:22,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:42:22,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:42:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:42:22,962 INFO L82 PathProgramCache]: Analyzing trace with hash -896402758, now seen corresponding path program 1 times [2020-08-22 21:42:22,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:42:22,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51772683] [2020-08-22 21:42:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:42:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,275 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:42:23,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:42:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:42:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:42:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:42:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:42:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:42:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:42:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:42:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:42:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:42:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:42:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-08-22 21:42:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-08-22 21:42:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-08-22 21:42:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:42:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:42:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:42:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-08-22 21:42:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-22 21:42:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-08-22 21:42:23,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51772683] [2020-08-22 21:42:23,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:42:23,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:42:23,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24841378] [2020-08-22 21:42:23,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:42:23,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:42:23,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:42:23,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:42:23,792 INFO L87 Difference]: Start difference. First operand 2785 states and 3161 transitions. Second operand 19 states. [2020-08-22 21:42:24,159 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-08-22 21:42:24,626 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:24,870 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:42:25,108 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:25,348 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:25,569 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:26,506 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 21:42:26,894 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:42:27,210 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:42:27,447 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:42:27,702 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:42:28,081 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:42:28,480 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 21:42:28,783 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 21:42:30,439 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:31,955 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:42:32,452 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:42:33,044 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 21:42:33,419 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:34,115 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:34,676 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 21:42:34,994 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 21:42:35,950 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-08-22 21:42:36,460 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:42:37,003 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 21:42:37,518 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 21:42:38,607 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 21:42:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:42:40,583 INFO L93 Difference]: Finished difference Result 6250 states and 7372 transitions. [2020-08-22 21:42:40,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-08-22 21:42:40,583 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-08-22 21:42:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:42:40,604 INFO L225 Difference]: With dead ends: 6250 [2020-08-22 21:42:40,604 INFO L226 Difference]: Without dead ends: 3856 [2020-08-22 21:42:40,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1407, Invalid=6603, Unknown=0, NotChecked=0, Total=8010 [2020-08-22 21:42:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2020-08-22 21:42:41,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3205. [2020-08-22 21:42:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2020-08-22 21:42:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 3566 transitions. [2020-08-22 21:42:41,668 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 3566 transitions. Word has length 336 [2020-08-22 21:42:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:42:41,669 INFO L479 AbstractCegarLoop]: Abstraction has 3205 states and 3566 transitions. [2020-08-22 21:42:41,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:42:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3566 transitions. [2020-08-22 21:42:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-08-22 21:42:41,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:42:41,681 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:42:41,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:42:41,681 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:42:41,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:42:41,681 INFO L82 PathProgramCache]: Analyzing trace with hash -156911650, now seen corresponding path program 1 times [2020-08-22 21:42:41,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:42:41,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913549072] [2020-08-22 21:42:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:42:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,086 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:42:42,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:42:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:42:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:42:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:42:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:42:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:42:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:42:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:42:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:42:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:42:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:42:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:42:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:42:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:42:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:42:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:42:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:42:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:42:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-08-22 21:42:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-08-22 21:42:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:42:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:42:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:42:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:42:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:42:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-08-22 21:42:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 21:42:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-08-22 21:42:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-08-22 21:42:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-08-22 21:42:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-08-22 21:42:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-08-22 21:42:42,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913549072] [2020-08-22 21:42:42,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:42:42,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 21:42:42,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542022396] [2020-08-22 21:42:42,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 21:42:42,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:42:42,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 21:42:42,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:42:42,760 INFO L87 Difference]: Start difference. First operand 3205 states and 3566 transitions. Second operand 17 states. [2020-08-22 21:42:44,361 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:42:44,605 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:42:44,862 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:45,122 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:42:45,357 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:45,591 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:46,974 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:47,242 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:42:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:42:52,265 INFO L93 Difference]: Finished difference Result 9026 states and 10583 transitions. [2020-08-22 21:42:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 21:42:52,266 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 515 [2020-08-22 21:42:52,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:42:52,308 INFO L225 Difference]: With dead ends: 9026 [2020-08-22 21:42:52,308 INFO L226 Difference]: Without dead ends: 5409 [2020-08-22 21:42:52,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 126 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=540, Invalid=1910, Unknown=0, NotChecked=0, Total=2450 [2020-08-22 21:42:52,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5409 states. [2020-08-22 21:42:55,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5409 to 4272. [2020-08-22 21:42:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-08-22 21:42:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 4837 transitions. [2020-08-22 21:42:55,788 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 4837 transitions. Word has length 515 [2020-08-22 21:42:55,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:42:55,791 INFO L479 AbstractCegarLoop]: Abstraction has 4272 states and 4837 transitions. [2020-08-22 21:42:55,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 21:42:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 4837 transitions. [2020-08-22 21:42:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-08-22 21:42:55,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:42:55,806 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:42:55,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:42:55,807 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:42:55,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:42:55,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1028081239, now seen corresponding path program 1 times [2020-08-22 21:42:55,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:42:55,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198718652] [2020-08-22 21:42:55,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:42:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,146 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:42:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:42:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:42:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:42:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:42:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:42:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:42:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:42:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:42:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:42:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:42:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:42:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:42:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:42:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:42:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:42:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:42:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:42:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:42:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:42:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-08-22 21:42:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-08-22 21:42:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:42:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:42:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:42:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:42:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:42:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 21:42:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-08-22 21:42:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-08-22 21:42:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:42:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-08-22 21:42:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:42:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:42:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:42:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-08-22 21:42:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-08-22 21:42:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:42:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 134 proven. 45 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-08-22 21:42:56,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198718652] [2020-08-22 21:42:56,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:42:56,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:42:56,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925568916] [2020-08-22 21:42:56,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:42:56,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:42:56,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:42:56,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:42:56,774 INFO L87 Difference]: Start difference. First operand 4272 states and 4837 transitions. Second operand 19 states. [2020-08-22 21:42:57,286 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:42:57,623 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:42:57,872 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:42:58,118 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:58,364 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:42:58,596 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:42:59,551 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:42:59,809 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:01,065 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:01,427 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:43:01,703 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:02,038 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:43:03,049 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:43:03,293 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:04,722 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:43:04,959 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:05,177 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:43:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:43:07,128 INFO L93 Difference]: Finished difference Result 8618 states and 10034 transitions. [2020-08-22 21:43:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-08-22 21:43:07,128 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 525 [2020-08-22 21:43:07,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:43:07,153 INFO L225 Difference]: With dead ends: 8618 [2020-08-22 21:43:07,153 INFO L226 Difference]: Without dead ends: 4773 [2020-08-22 21:43:07,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=694, Invalid=2846, Unknown=0, NotChecked=0, Total=3540 [2020-08-22 21:43:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4773 states. [2020-08-22 21:43:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4773 to 4173. [2020-08-22 21:43:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4173 states. [2020-08-22 21:43:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 4696 transitions. [2020-08-22 21:43:08,558 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 4696 transitions. Word has length 525 [2020-08-22 21:43:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:43:08,558 INFO L479 AbstractCegarLoop]: Abstraction has 4173 states and 4696 transitions. [2020-08-22 21:43:08,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:43:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 4696 transitions. [2020-08-22 21:43:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-08-22 21:43:08,572 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:43:08,573 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:43:08,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:43:08,573 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:43:08,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:43:08,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1700958274, now seen corresponding path program 1 times [2020-08-22 21:43:08,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:43:08,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275796775] [2020-08-22 21:43:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:43:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,863 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:43:08,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:43:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:43:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:43:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:43:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:43:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:43:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:43:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:43:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:43:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:43:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:43:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:43:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:43:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:43:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:43:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-08-22 21:43:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-08-22 21:43:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:43:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-08-22 21:43:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:43:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-08-22 21:43:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-08-22 21:43:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-08-22 21:43:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2020-08-22 21:43:09,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275796775] [2020-08-22 21:43:09,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:43:09,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 21:43:09,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518188186] [2020-08-22 21:43:09,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 21:43:09,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:43:09,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 21:43:09,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:43:09,413 INFO L87 Difference]: Start difference. First operand 4173 states and 4696 transitions. Second operand 17 states. [2020-08-22 21:43:09,919 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:10,933 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:43:15,357 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:15,622 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:15,901 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:16,167 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:16,434 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:16,695 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:16,941 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:17,205 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:17,465 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:17,732 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:17,991 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:18,251 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:18,733 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 21:43:18,995 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:19,456 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-08-22 21:43:19,802 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:20,087 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:43:20,382 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 21:43:24,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:43:24,395 INFO L93 Difference]: Finished difference Result 13279 states and 15575 transitions. [2020-08-22 21:43:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-22 21:43:24,395 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 522 [2020-08-22 21:43:24,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:43:24,439 INFO L225 Difference]: With dead ends: 13279 [2020-08-22 21:43:24,440 INFO L226 Difference]: Without dead ends: 9234 [2020-08-22 21:43:24,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=840, Invalid=3582, Unknown=0, NotChecked=0, Total=4422 [2020-08-22 21:43:24,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2020-08-22 21:43:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 8107. [2020-08-22 21:43:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8107 states. [2020-08-22 21:43:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 9040 transitions. [2020-08-22 21:43:28,131 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 9040 transitions. Word has length 522 [2020-08-22 21:43:28,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:43:28,132 INFO L479 AbstractCegarLoop]: Abstraction has 8107 states and 9040 transitions. [2020-08-22 21:43:28,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 21:43:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 9040 transitions. [2020-08-22 21:43:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-22 21:43:28,153 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:43:28,153 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:43:28,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 21:43:28,154 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:43:28,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:43:28,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1355838473, now seen corresponding path program 1 times [2020-08-22 21:43:28,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:43:28,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251491457] [2020-08-22 21:43:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:43:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,459 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:43:28,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:43:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:43:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:43:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:43:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:43:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:43:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:43:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:43:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 21:43:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:43:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:43:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-08-22 21:43:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-08-22 21:43:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:43:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:43:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:43:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 21:43:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 21:43:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:43:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-08-22 21:43:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-08-22 21:43:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-08-22 21:43:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-08-22 21:43:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-08-22 21:43:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-08-22 21:43:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 122 proven. 20 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-08-22 21:43:29,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251491457] [2020-08-22 21:43:29,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:43:29,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-22 21:43:29,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285989347] [2020-08-22 21:43:29,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 21:43:29,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:43:29,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 21:43:29,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:43:29,459 INFO L87 Difference]: Start difference. First operand 8107 states and 9040 transitions. Second operand 23 states. [2020-08-22 21:43:30,012 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:30,365 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:30,621 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:30,874 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:31,122 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:43:31,362 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:32,294 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:37,832 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:38,102 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:38,388 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:38,661 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:38,931 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:39,199 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:39,448 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:39,718 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:39,979 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:40,281 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:40,544 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:40,817 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:41,308 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:43:41,810 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:43:42,284 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:43:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:43:47,308 INFO L93 Difference]: Finished difference Result 17551 states and 20660 transitions. [2020-08-22 21:43:47,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-08-22 21:43:47,308 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 531 [2020-08-22 21:43:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:43:47,358 INFO L225 Difference]: With dead ends: 17551 [2020-08-22 21:43:47,358 INFO L226 Difference]: Without dead ends: 10160 [2020-08-22 21:43:47,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2105 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1289, Invalid=6021, Unknown=0, NotChecked=0, Total=7310 [2020-08-22 21:43:47,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10160 states. [2020-08-22 21:43:49,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10160 to 7463. [2020-08-22 21:43:49,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7463 states. [2020-08-22 21:43:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7463 states to 7463 states and 8316 transitions. [2020-08-22 21:43:49,901 INFO L78 Accepts]: Start accepts. Automaton has 7463 states and 8316 transitions. Word has length 531 [2020-08-22 21:43:49,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:43:49,902 INFO L479 AbstractCegarLoop]: Abstraction has 7463 states and 8316 transitions. [2020-08-22 21:43:49,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 21:43:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7463 states and 8316 transitions. [2020-08-22 21:43:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-08-22 21:43:49,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:43:49,918 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:43:49,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 21:43:49,918 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:43:49,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:43:49,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1027511181, now seen corresponding path program 1 times [2020-08-22 21:43:49,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:43:49,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864328319] [2020-08-22 21:43:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:43:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,437 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:43:50,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:43:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:43:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:43:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:43:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:43:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:43:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:43:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:43:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:43:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:43:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:43:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:43:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:43:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:43:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:43:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 21:43:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 21:43:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 21:43:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:43:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:43:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:43:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:43:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:43:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:43:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-08-22 21:43:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:43:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 21:43:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:43:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:43:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:43:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-08-22 21:43:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-08-22 21:43:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:43:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 137 proven. 66 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-22 21:43:51,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864328319] [2020-08-22 21:43:51,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:43:51,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 21:43:51,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579970341] [2020-08-22 21:43:51,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 21:43:51,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:43:51,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 21:43:51,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-08-22 21:43:51,072 INFO L87 Difference]: Start difference. First operand 7463 states and 8316 transitions. Second operand 18 states. [2020-08-22 21:43:51,613 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:53,337 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:53,604 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:54,110 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 21:43:54,377 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:43:54,865 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 21:43:55,112 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:43:55,571 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 21:43:55,861 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:56,131 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:56,406 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 21:43:56,673 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:43:56,917 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:43:58,514 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:43:58,793 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:43:59,307 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 21:43:59,826 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-08-22 21:44:00,303 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 21:44:00,829 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:01,110 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:44:05,336 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:44:06,154 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:06,430 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:44:06,907 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:44:07,413 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:44:07,876 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:44:16,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:44:16,203 INFO L93 Difference]: Finished difference Result 19612 states and 23778 transitions. [2020-08-22 21:44:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2020-08-22 21:44:16,204 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 527 [2020-08-22 21:44:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:44:16,262 INFO L225 Difference]: With dead ends: 19612 [2020-08-22 21:44:16,262 INFO L226 Difference]: Without dead ends: 15033 [2020-08-22 21:44:16,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4931 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=2128, Invalid=11212, Unknown=0, NotChecked=0, Total=13340 [2020-08-22 21:44:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15033 states. [2020-08-22 21:44:21,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15033 to 10579. [2020-08-22 21:44:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10579 states. [2020-08-22 21:44:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10579 states to 10579 states and 11694 transitions. [2020-08-22 21:44:21,307 INFO L78 Accepts]: Start accepts. Automaton has 10579 states and 11694 transitions. Word has length 527 [2020-08-22 21:44:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:44:21,308 INFO L479 AbstractCegarLoop]: Abstraction has 10579 states and 11694 transitions. [2020-08-22 21:44:21,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 21:44:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 10579 states and 11694 transitions. [2020-08-22 21:44:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-08-22 21:44:21,325 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:44:21,325 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:44:21,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 21:44:21,325 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:44:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:44:21,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2088895818, now seen corresponding path program 1 times [2020-08-22 21:44:21,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:44:21,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174539960] [2020-08-22 21:44:21,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:44:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,668 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:44:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:44:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:44:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:44:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:44:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:44:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:44:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:44:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:44:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:44:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:44:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:44:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:44:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:44:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:44:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:44:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:44:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:44:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:44:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:44:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 21:44:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 21:44:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 21:44:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:44:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:44:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:44:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:44:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:44:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-08-22 21:44:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 21:44:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-08-22 21:44:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:44:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-08-22 21:44:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-08-22 21:44:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-08-22 21:44:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-08-22 21:44:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:44:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2020-08-22 21:44:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-08-22 21:44:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2020-08-22 21:44:22,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174539960] [2020-08-22 21:44:22,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:44:22,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:44:22,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33953698] [2020-08-22 21:44:22,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:44:22,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:44:22,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:44:22,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:44:22,485 INFO L87 Difference]: Start difference. First operand 10579 states and 11694 transitions. Second operand 19 states. [2020-08-22 21:44:23,467 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:44:24,742 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:44:29,096 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:44:29,387 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-08-22 21:44:29,642 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:29,894 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:44:30,140 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:30,573 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 21:44:38,073 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 21:44:38,377 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 21:44:38,668 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:44:38,965 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:44:39,229 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:44:41,685 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-08-22 21:44:42,182 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-08-22 21:44:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:44:45,761 INFO L93 Difference]: Finished difference Result 34043 states and 40923 transitions. [2020-08-22 21:44:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-08-22 21:44:45,761 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 612 [2020-08-22 21:44:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:44:45,860 INFO L225 Difference]: With dead ends: 34043 [2020-08-22 21:44:45,860 INFO L226 Difference]: Without dead ends: 23028 [2020-08-22 21:44:45,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3010 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1772, Invalid=7540, Unknown=0, NotChecked=0, Total=9312 [2020-08-22 21:44:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23028 states. [2020-08-22 21:44:52,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23028 to 14608. [2020-08-22 21:44:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14608 states. [2020-08-22 21:44:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14608 states to 14608 states and 16061 transitions. [2020-08-22 21:44:52,248 INFO L78 Accepts]: Start accepts. Automaton has 14608 states and 16061 transitions. Word has length 612 [2020-08-22 21:44:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:44:52,249 INFO L479 AbstractCegarLoop]: Abstraction has 14608 states and 16061 transitions. [2020-08-22 21:44:52,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:44:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14608 states and 16061 transitions. [2020-08-22 21:44:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-08-22 21:44:52,273 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:44:52,273 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:44:52,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 21:44:52,274 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:44:52,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:44:52,274 INFO L82 PathProgramCache]: Analyzing trace with hash 2118148886, now seen corresponding path program 1 times [2020-08-22 21:44:52,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:44:52,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291533482] [2020-08-22 21:44:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:44:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,575 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:44:52,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:44:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:44:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:44:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:44:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:44:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:44:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:44:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:44:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:44:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:44:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:44:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:44:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:44:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:44:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:44:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:44:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:44:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 21:44:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 21:44:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 21:44:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 21:44:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 21:44:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:44:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:44:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:44:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:44:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:44:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-08-22 21:44:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 21:44:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-08-22 21:44:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:44:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:44:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-08-22 21:44:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-08-22 21:44:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-08-22 21:44:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:44:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-08-22 21:44:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:44:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:44:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:44:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2020-08-22 21:44:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-08-22 21:44:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:44:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-08-22 21:44:53,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291533482] [2020-08-22 21:44:53,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:44:53,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:44:53,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514906701] [2020-08-22 21:44:53,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:44:53,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:44:53,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:44:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:44:53,265 INFO L87 Difference]: Start difference. First operand 14608 states and 16061 transitions. Second operand 19 states. [2020-08-22 21:44:53,982 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:44:54,227 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:44:54,469 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:44:54,711 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:54,942 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:44:58,712 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:44:58,958 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:59,215 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:44:59,480 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:44:59,741 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:44:59,988 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:45:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:45:01,222 INFO L93 Difference]: Finished difference Result 17471 states and 19460 transitions. [2020-08-22 21:45:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 21:45:01,222 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 612 [2020-08-22 21:45:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:45:01,226 INFO L225 Difference]: With dead ends: 17471 [2020-08-22 21:45:01,226 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 21:45:01,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=572, Invalid=1780, Unknown=0, NotChecked=0, Total=2352 [2020-08-22 21:45:01,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 21:45:01,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 21:45:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 21:45:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 21:45:01,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2020-08-22 21:45:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:45:01,265 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 21:45:01,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:45:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 21:45:01,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 21:45:01,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 21:45:01,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 21:45:01,926 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2020-08-22 21:45:02,329 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 202 [2020-08-22 21:45:02,467 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 199 [2020-08-22 21:45:02,801 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-22 21:45:07,923 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:45:14,403 WARN L193 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 860 DAG size of output: 657 [2020-08-22 21:45:23,570 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 766 DAG size of output: 592 [2020-08-22 21:45:30,132 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 21:45:31,441 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-08-22 21:45:32,011 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 208 [2020-08-22 21:45:32,525 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-08-22 21:45:38,776 WARN L193 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 21:45:40,537 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 21:45:40,649 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 21:45:41,129 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:45:41,318 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:45:41,427 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:45:41,534 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:45:41,809 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-08-22 21:45:42,220 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-08-22 21:45:42,412 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 222 [2020-08-22 21:45:43,098 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-08-22 21:45:43,936 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-08-22 21:45:47,115 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-08-22 21:45:47,516 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-08-22 21:45:56,354 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:45:58,479 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2020-08-22 21:45:59,263 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 21:45:59,474 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:46:07,161 WARN L193 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:46:14,404 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:46:18,473 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:46:19,138 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 21:46:19,241 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 21:46:19,346 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 21:46:20,056 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 21:46:20,168 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 21:46:20,651 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 21:46:20,808 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 21:46:20,917 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 21:46:21,288 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 21:46:32,692 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-08-22 21:46:37,605 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:46:44,101 WARN L193 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:46:51,453 WARN L193 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:46:51,590 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-08-22 21:46:53,927 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-08-22 21:46:55,942 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-08-22 21:47:02,617 WARN L193 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:47:10,178 WARN L193 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 21:47:16,566 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:47:18,035 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 21:47:18,142 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 21:47:18,521 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 21:47:18,656 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 21:47:19,044 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 201 [2020-08-22 21:47:19,423 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 21:47:19,532 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 21:47:19,805 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 201 [2020-08-22 21:47:20,219 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:47:20,521 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:47:20,630 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 21:47:21,149 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 21:47:32,594 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 781 DAG size of output: 620 [2020-08-22 21:47:42,711 WARN L193 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 21:47:47,166 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 21:47:58,712 WARN L193 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:48:11,897 WARN L193 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 1177 DAG size of output: 903 [2020-08-22 21:48:23,778 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-08-22 21:48:30,035 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-08-22 21:48:36,729 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 960 DAG size of output: 706 [2020-08-22 21:48:45,111 WARN L193 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:48:55,104 WARN L193 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 21:48:57,124 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-08-22 21:48:57,573 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-08-22 21:48:57,759 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 222 [2020-08-22 21:48:58,367 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-08-22 21:49:00,123 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 21:49:00,249 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 21:49:00,425 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:00,967 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:01,137 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:01,268 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:01,482 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 21:49:01,613 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 21:49:01,748 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:01,948 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:02,084 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:02,320 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:02,706 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 21:49:03,158 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 21:49:05,623 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 21:49:11,077 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:49:21,119 WARN L193 SmtUtils]: Spent 10.03 s on a formula simplification. DAG size of input: 534 DAG size of output: 39 [2020-08-22 21:49:22,246 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 311 DAG size of output: 35 [2020-08-22 21:49:23,393 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 21:49:24,207 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 21:49:26,059 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 266 DAG size of output: 39 [2020-08-22 21:49:27,704 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 312 DAG size of output: 44 [2020-08-22 21:49:28,092 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-08-22 21:49:28,979 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 21:49:30,751 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 260 DAG size of output: 32 [2020-08-22 21:49:30,942 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:49:32,664 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 21:49:33,028 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 21:49:33,381 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 21:49:41,524 WARN L193 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 490 DAG size of output: 44 [2020-08-22 21:49:41,776 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 21:49:51,940 WARN L193 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 21:49:53,624 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 431 DAG size of output: 1 [2020-08-22 21:49:53,981 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-08-22 21:50:04,112 WARN L193 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 21:50:04,665 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-08-22 21:50:05,508 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 31 [2020-08-22 21:50:06,520 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 37 [2020-08-22 21:50:10,222 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 467 DAG size of output: 36 [2020-08-22 21:50:11,638 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 241 DAG size of output: 29 [2020-08-22 21:50:12,014 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 21:50:16,545 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 456 DAG size of output: 32 [2020-08-22 21:50:17,016 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-08-22 21:50:17,849 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 21:50:19,043 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2020-08-22 21:50:20,583 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-08-22 21:50:21,823 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 236 DAG size of output: 25 [2020-08-22 21:50:22,171 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:50:22,741 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-08-22 21:50:23,227 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 27 [2020-08-22 21:50:23,418 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:50:24,294 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 21:50:24,990 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 34 [2020-08-22 21:50:25,371 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 21:50:27,088 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 268 DAG size of output: 49 [2020-08-22 21:50:27,468 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-08-22 21:50:27,978 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 21:50:33,467 WARN L193 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:50:33,656 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 21:50:33,911 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 21:50:34,312 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-08-22 21:50:34,680 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 21:50:35,934 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 256 DAG size of output: 28 [2020-08-22 21:50:36,807 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 21:50:37,572 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 29 [2020-08-22 21:50:38,771 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-08-22 21:50:39,610 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 21:50:40,104 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 31 [2020-08-22 21:50:40,479 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-08-22 21:50:40,669 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 21:50:41,565 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 23 [2020-08-22 21:50:42,784 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-08-22 21:50:43,127 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:50:43,319 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 21:50:43,817 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-08-22 21:50:54,957 WARN L193 SmtUtils]: Spent 11.13 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:50:55,789 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 21:50:55,987 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-08-22 21:50:56,883 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 28 [2020-08-22 21:50:58,336 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 274 DAG size of output: 34 [2020-08-22 21:50:58,729 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-08-22 21:50:58,929 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-08-22 21:50:59,774 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 21:51:00,925 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 219 DAG size of output: 20 [2020-08-22 21:51:06,427 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:51:07,333 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 23 [2020-08-22 21:51:12,859 WARN L193 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:51:13,049 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2020-08-22 21:51:13,561 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 21:51:15,235 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 21:51:15,428 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:51:15,959 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 21:51:19,003 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 435 DAG size of output: 42 [2020-08-22 21:51:19,487 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 21:51:19,729 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 21:51:21,236 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2020-08-22 21:51:21,418 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2020-08-22 21:51:21,922 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-22 21:51:23,075 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2020-08-22 21:51:23,444 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 21:51:23,783 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:51:25,587 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 262 DAG size of output: 33 [2020-08-22 21:51:26,119 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-08-22 21:51:27,787 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 21:51:27,970 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 21:51:29,395 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 279 DAG size of output: 34 [2020-08-22 21:51:34,703 WARN L193 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:51:35,219 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-08-22 21:51:45,838 WARN L193 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:51:47,573 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 287 DAG size of output: 40 [2020-08-22 21:51:58,244 WARN L193 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:52:02,080 WARN L193 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 430 DAG size of output: 37 [2020-08-22 21:52:05,908 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 430 DAG size of output: 37 [2020-08-22 21:52:16,561 WARN L193 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:52:17,349 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 27 [2020-08-22 21:52:18,775 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 279 DAG size of output: 34 [2020-08-22 21:52:19,029 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 21:52:19,370 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 21:52:20,665 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 21:52:30,426 WARN L193 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 21:52:31,727 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 21:52:42,409 WARN L193 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:52:44,354 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 273 DAG size of output: 45 [2020-08-22 21:52:45,488 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-08-22 21:52:45,682 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:52:46,892 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 221 DAG size of output: 27 [2020-08-22 21:52:47,228 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:52:48,896 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 286 DAG size of output: 39 [2020-08-22 21:52:49,253 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 21:52:50,083 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 21:52:51,446 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 21:52:53,213 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 262 DAG size of output: 33 [2020-08-22 21:52:53,457 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-08-22 21:52:54,102 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 25 [2020-08-22 21:52:55,245 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 227 DAG size of output: 43 [2020-08-22 21:52:55,492 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 21:52:56,305 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 21:52:56,668 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:52:58,461 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 21:52:59,504 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 311 DAG size of output: 30 [2020-08-22 21:53:01,223 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 21:53:03,150 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 21:53:03,346 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:53:04,466 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 256 DAG size of output: 28 [2020-08-22 21:53:05,307 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 21:53:11,485 WARN L193 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 502 DAG size of output: 38 [2020-08-22 21:53:12,307 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2020-08-22 21:53:13,165 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 21:53:13,811 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 25 [2020-08-22 21:53:14,788 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 31 [2020-08-22 21:53:15,596 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 21:53:16,869 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 305 DAG size of output: 42 [2020-08-22 21:53:17,668 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 21:53:19,124 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-08-22 21:53:19,897 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-08-22 21:53:20,374 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-08-22 21:53:21,310 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 1 [2020-08-22 21:53:21,652 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-22 21:53:23,448 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 303 DAG size of output: 49 [2020-08-22 21:53:33,271 WARN L193 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 21:53:34,115 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 36 [2020-08-22 21:53:39,465 WARN L193 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 21:53:39,811 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:53:40,157 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:53:41,770 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-08-22 21:53:42,940 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-08-22 21:53:43,270 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:53:54,001 WARN L193 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 21:53:55,495 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-08-22 21:53:55,697 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 21:53:56,627 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 28 [2020-08-22 21:53:58,133 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-08-22 21:53:58,586 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2020-08-22 21:53:58,994 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:54:00,381 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 21:54:17,865 WARN L193 SmtUtils]: Spent 17.47 s on a formula simplification. DAG size of input: 760 DAG size of output: 42 [2020-08-22 21:54:18,224 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 21:54:19,838 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-08-22 21:54:21,330 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 262 DAG size of output: 49 [2020-08-22 21:54:21,673 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 21:54:22,411 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 37 [2020-08-22 21:54:24,008 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 431 DAG size of output: 1 [2020-08-22 21:54:24,211 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:54:25,512 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 238 DAG size of output: 26 [2020-08-22 21:54:25,893 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-08-22 21:54:26,573 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 34 [2020-08-22 21:54:27,704 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 313 DAG size of output: 36 [2020-08-22 21:54:29,896 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 350 DAG size of output: 33 [2020-08-22 21:54:30,878 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 40 [2020-08-22 21:54:32,843 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 273 DAG size of output: 45 [2020-08-22 21:54:33,398 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-08-22 21:54:33,899 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 31 [2020-08-22 21:54:35,542 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 299 DAG size of output: 34 [2020-08-22 21:54:35,907 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22