/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:40:05,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:40:05,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:40:05,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:40:05,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:40:05,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:40:05,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:40:05,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:40:05,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:40:05,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:40:05,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:40:05,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:40:05,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:40:05,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:40:05,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:40:05,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:40:05,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:40:05,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:40:05,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:40:05,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:40:05,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:40:05,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:40:05,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:40:05,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:40:05,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:40:05,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:40:05,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:40:05,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:40:05,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:40:05,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:40:05,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:40:05,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:40:05,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:40:05,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:40:05,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:40:05,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:40:05,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:40:05,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:40:05,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:40:05,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:40:05,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:40:05,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:40:05,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:40:05,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:40:05,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:40:05,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:40:05,769 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:40:05,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:40:05,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:40:05,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:40:05,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:40:05,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:40:05,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:40:05,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:40:05,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:40:05,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:40:05,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:40:05,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:40:05,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:40:05,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:40:05,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:40:05,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:40:05,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:40:05,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:40:05,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:40:05,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:40:05,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:40:06,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:40:06,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:40:06,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:40:06,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:40:06,051 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:40:06,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-17 11:40:06,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ceadda3/9781310719db49df9b8e45ac2883f3b6/FLAG9d2c25f45 [2020-07-17 11:40:06,579 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:40:06,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-17 11:40:06,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ceadda3/9781310719db49df9b8e45ac2883f3b6/FLAG9d2c25f45 [2020-07-17 11:40:06,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ceadda3/9781310719db49df9b8e45ac2883f3b6 [2020-07-17 11:40:06,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:40:06,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:40:06,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:40:06,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:40:06,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:40:06,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:40:06" (1/1) ... [2020-07-17 11:40:06,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5fd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:06, skipping insertion in model container [2020-07-17 11:40:06,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:40:06" (1/1) ... [2020-07-17 11:40:06,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:40:06,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:40:07,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:40:07,467 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:40:07,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:40:07,589 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:40:07,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07 WrapperNode [2020-07-17 11:40:07,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:40:07,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:40:07,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:40:07,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:40:07,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (1/1) ... [2020-07-17 11:40:07,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:40:07,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:40:07,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:40:07,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:40:07,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (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 [2020-07-17 11:40:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:40:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:40:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:40:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:40:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:40:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:40:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:40:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:40:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:40:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:40:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:40:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:40:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:40:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:40:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:40:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:40:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:40:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:40:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:40:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:40:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:40:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:40:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:40:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:40:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:40:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:40:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:40:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:40:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:40:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:40:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:40:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:40:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:40:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:40:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:40:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:40:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:40:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:40:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:40:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:40:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:40:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:40:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:40:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:40:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:40:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:40:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:40:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:40:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:40:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:40:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:40:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:40:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:40:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:40:08,766 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:40:08,766 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:40:08,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:40:08 BoogieIcfgContainer [2020-07-17 11:40:08,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:40:08,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:40:08,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:40:08,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:40:08,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:40:06" (1/3) ... [2020-07-17 11:40:08,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fc2bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:40:08, skipping insertion in model container [2020-07-17 11:40:08,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:40:07" (2/3) ... [2020-07-17 11:40:08,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fc2bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:40:08, skipping insertion in model container [2020-07-17 11:40:08,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:40:08" (3/3) ... [2020-07-17 11:40:08,780 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-07-17 11:40:08,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:40:08,797 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:40:08,809 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:40:08,829 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:40:08,829 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:40:08,830 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:40:08,830 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:40:08,830 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:40:08,830 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:40:08,830 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:40:08,830 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:40:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-17 11:40:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:40:08,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:08,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:08,864 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:08,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:08,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1133755032, now seen corresponding path program 1 times [2020-07-17 11:40:08,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:08,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760506125] [2020-07-17 11:40:08,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,497 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:09,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760506125] [2020-07-17 11:40:09,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:09,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:40:09,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106450433] [2020-07-17 11:40:09,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:40:09,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:09,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:40:09,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:40:09,644 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-07-17 11:40:10,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:10,821 INFO L93 Difference]: Finished difference Result 350 states and 444 transitions. [2020-07-17 11:40:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:40:10,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:40:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:10,838 INFO L225 Difference]: With dead ends: 350 [2020-07-17 11:40:10,839 INFO L226 Difference]: Without dead ends: 192 [2020-07-17 11:40:10,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:40:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-17 11:40:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2020-07-17 11:40:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-17 11:40:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2020-07-17 11:40:10,949 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2020-07-17 11:40:10,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:10,950 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2020-07-17 11:40:10,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:40:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2020-07-17 11:40:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:40:10,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:10,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:10,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:40:10,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:10,958 INFO L82 PathProgramCache]: Analyzing trace with hash -138893135, now seen corresponding path program 1 times [2020-07-17 11:40:10,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:10,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162440184] [2020-07-17 11:40:10,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,321 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:11,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162440184] [2020-07-17 11:40:11,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:11,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:40:11,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977219669] [2020-07-17 11:40:11,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:40:11,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:11,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:40:11,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:40:11,385 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 5 states. [2020-07-17 11:40:11,896 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:12,877 INFO L93 Difference]: Finished difference Result 289 states and 348 transitions. [2020-07-17 11:40:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:40:12,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:40:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:12,881 INFO L225 Difference]: With dead ends: 289 [2020-07-17 11:40:12,881 INFO L226 Difference]: Without dead ends: 182 [2020-07-17 11:40:12,883 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 [2020-07-17 11:40:12,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-17 11:40:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 150. [2020-07-17 11:40:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-17 11:40:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2020-07-17 11:40:12,926 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 60 [2020-07-17 11:40:12,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:12,926 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2020-07-17 11:40:12,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:40:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2020-07-17 11:40:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:40:12,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:12,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:12,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:40:12,929 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1740604635, now seen corresponding path program 1 times [2020-07-17 11:40:12,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:12,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817567632] [2020-07-17 11:40:12,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,241 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:13,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817567632] [2020-07-17 11:40:13,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:13,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:13,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042126668] [2020-07-17 11:40:13,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:13,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:13,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:13,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:13,342 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 9 states. [2020-07-17 11:40:13,752 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:14,088 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:14,316 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:14,550 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:15,375 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:17,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:17,240 INFO L93 Difference]: Finished difference Result 499 states and 610 transitions. [2020-07-17 11:40:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:40:17,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-17 11:40:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:17,249 INFO L225 Difference]: With dead ends: 499 [2020-07-17 11:40:17,251 INFO L226 Difference]: Without dead ends: 377 [2020-07-17 11:40:17,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:40:17,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-17 11:40:17,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 320. [2020-07-17 11:40:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-07-17 11:40:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 384 transitions. [2020-07-17 11:40:17,345 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 384 transitions. Word has length 64 [2020-07-17 11:40:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:17,346 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 384 transitions. [2020-07-17 11:40:17,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 384 transitions. [2020-07-17 11:40:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:40:17,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:17,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:17,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:40:17,350 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:17,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:17,350 INFO L82 PathProgramCache]: Analyzing trace with hash 659595443, now seen corresponding path program 1 times [2020-07-17 11:40:17,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:17,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753303689] [2020-07-17 11:40:17,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,642 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:40:17,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753303689] [2020-07-17 11:40:17,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:17,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:17,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352166676] [2020-07-17 11:40:17,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:17,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:17,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:17,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:17,757 INFO L87 Difference]: Start difference. First operand 320 states and 384 transitions. Second operand 9 states. [2020-07-17 11:40:18,246 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:18,841 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:19,780 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:20,008 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:20,281 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:20,551 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:21,295 INFO L93 Difference]: Finished difference Result 803 states and 1032 transitions. [2020-07-17 11:40:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:40:21,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-17 11:40:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:21,300 INFO L225 Difference]: With dead ends: 803 [2020-07-17 11:40:21,301 INFO L226 Difference]: Without dead ends: 511 [2020-07-17 11:40:21,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:40:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-07-17 11:40:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 447. [2020-07-17 11:40:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-07-17 11:40:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 535 transitions. [2020-07-17 11:40:21,388 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 535 transitions. Word has length 70 [2020-07-17 11:40:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:21,388 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 535 transitions. [2020-07-17 11:40:21,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 535 transitions. [2020-07-17 11:40:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 11:40:21,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:21,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:21,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:40:21,392 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash -73914297, now seen corresponding path program 1 times [2020-07-17 11:40:21,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:21,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531794564] [2020-07-17 11:40:21,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,630 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:21,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531794564] [2020-07-17 11:40:21,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:21,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:21,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467926559] [2020-07-17 11:40:21,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:21,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:21,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:21,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:21,813 INFO L87 Difference]: Start difference. First operand 447 states and 535 transitions. Second operand 9 states. [2020-07-17 11:40:23,064 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:23,313 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:23,568 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:23,833 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:24,699 INFO L93 Difference]: Finished difference Result 956 states and 1224 transitions. [2020-07-17 11:40:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:40:24,700 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-17 11:40:24,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:24,704 INFO L225 Difference]: With dead ends: 956 [2020-07-17 11:40:24,704 INFO L226 Difference]: Without dead ends: 537 [2020-07-17 11:40:24,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:40:24,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-07-17 11:40:24,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 460. [2020-07-17 11:40:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-07-17 11:40:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 549 transitions. [2020-07-17 11:40:24,789 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 549 transitions. Word has length 107 [2020-07-17 11:40:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:24,789 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 549 transitions. [2020-07-17 11:40:24,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 549 transitions. [2020-07-17 11:40:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 11:40:24,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:24,792 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:24,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:40:24,793 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:24,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1854358405, now seen corresponding path program 1 times [2020-07-17 11:40:24,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:24,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610401878] [2020-07-17 11:40:24,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,058 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:25,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610401878] [2020-07-17 11:40:25,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:25,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:40:25,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605898459] [2020-07-17 11:40:25,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:40:25,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:25,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:40:25,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:40:25,246 INFO L87 Difference]: Start difference. First operand 460 states and 549 transitions. Second operand 11 states. [2020-07-17 11:40:25,974 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:26,200 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:26,428 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:27,125 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:27,410 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:27,650 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:28,664 INFO L93 Difference]: Finished difference Result 979 states and 1248 transitions. [2020-07-17 11:40:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:40:28,665 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-17 11:40:28,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:28,669 INFO L225 Difference]: With dead ends: 979 [2020-07-17 11:40:28,669 INFO L226 Difference]: Without dead ends: 547 [2020-07-17 11:40:28,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:40:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-07-17 11:40:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 468. [2020-07-17 11:40:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-07-17 11:40:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2020-07-17 11:40:28,746 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 107 [2020-07-17 11:40:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:28,746 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2020-07-17 11:40:28,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:40:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2020-07-17 11:40:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 11:40:28,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:28,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:28,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:40:28,749 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:28,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1613818276, now seen corresponding path program 1 times [2020-07-17 11:40:28,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:28,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306923082] [2020-07-17 11:40:28,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,015 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:29,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306923082] [2020-07-17 11:40:29,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:29,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:40:29,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999559464] [2020-07-17 11:40:29,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:40:29,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:29,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:40:29,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:40:29,177 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 7 states. [2020-07-17 11:40:29,490 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:29,995 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:31,980 INFO L93 Difference]: Finished difference Result 1447 states and 1864 transitions. [2020-07-17 11:40:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:40:31,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-17 11:40:31,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:31,988 INFO L225 Difference]: With dead ends: 1447 [2020-07-17 11:40:31,988 INFO L226 Difference]: Without dead ends: 1007 [2020-07-17 11:40:31,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:40:31,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2020-07-17 11:40:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 933. [2020-07-17 11:40:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-07-17 11:40:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1131 transitions. [2020-07-17 11:40:32,120 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1131 transitions. Word has length 107 [2020-07-17 11:40:32,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:32,120 INFO L479 AbstractCegarLoop]: Abstraction has 933 states and 1131 transitions. [2020-07-17 11:40:32,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:40:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1131 transitions. [2020-07-17 11:40:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-17 11:40:32,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:32,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:32,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:40:32,124 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:32,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:32,124 INFO L82 PathProgramCache]: Analyzing trace with hash 608509898, now seen corresponding path program 1 times [2020-07-17 11:40:32,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:32,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386626212] [2020-07-17 11:40:32,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,545 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:40:32,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386626212] [2020-07-17 11:40:32,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:32,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:40:32,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63757046] [2020-07-17 11:40:32,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:40:32,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:32,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:40:32,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:40:32,743 INFO L87 Difference]: Start difference. First operand 933 states and 1131 transitions. Second operand 12 states. [2020-07-17 11:40:33,274 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:33,881 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:34,549 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:34,876 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:35,114 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:35,378 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:35,646 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:37,596 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:37,878 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:38,552 INFO L93 Difference]: Finished difference Result 2649 states and 3420 transitions. [2020-07-17 11:40:38,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:40:38,555 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-17 11:40:38,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:38,568 INFO L225 Difference]: With dead ends: 2649 [2020-07-17 11:40:38,569 INFO L226 Difference]: Without dead ends: 1932 [2020-07-17 11:40:38,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:40:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-07-17 11:40:38,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1638. [2020-07-17 11:40:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2020-07-17 11:40:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 1972 transitions. [2020-07-17 11:40:38,914 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 1972 transitions. Word has length 111 [2020-07-17 11:40:38,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:38,917 INFO L479 AbstractCegarLoop]: Abstraction has 1638 states and 1972 transitions. [2020-07-17 11:40:38,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:40:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1972 transitions. [2020-07-17 11:40:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-17 11:40:38,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:38,923 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:38,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:40:38,923 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:38,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:38,924 INFO L82 PathProgramCache]: Analyzing trace with hash 866799866, now seen corresponding path program 1 times [2020-07-17 11:40:38,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:38,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743905546] [2020-07-17 11:40:38,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,219 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:40:39,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743905546] [2020-07-17 11:40:39,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679496819] [2020-07-17 11:40:39,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:39,923 INFO L264 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:40:39,949 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:40:40,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:40,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:40:40,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438816672] [2020-07-17 11:40:40,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:40:40,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:40,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:40:40,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:40:40,151 INFO L87 Difference]: Start difference. First operand 1638 states and 1972 transitions. Second operand 20 states. [2020-07-17 11:40:41,064 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:41,412 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:41,670 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:41,917 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:42,716 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:43,013 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:43,400 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:43,668 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:44,895 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:45,612 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:40:46,136 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:40:46,471 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:47,038 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:47,419 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:47,993 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:40:48,631 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:49,143 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:40:49,903 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:50,562 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:40:51,072 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:40:51,330 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:51,584 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:51,837 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:52,063 INFO L93 Difference]: Finished difference Result 3569 states and 4447 transitions. [2020-07-17 11:40:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-17 11:40:52,064 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-17 11:40:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:52,076 INFO L225 Difference]: With dead ends: 3569 [2020-07-17 11:40:52,076 INFO L226 Difference]: Without dead ends: 2135 [2020-07-17 11:40:52,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-17 11:40:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2020-07-17 11:40:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1909. [2020-07-17 11:40:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2020-07-17 11:40:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2256 transitions. [2020-07-17 11:40:52,476 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2256 transitions. Word has length 172 [2020-07-17 11:40:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:52,477 INFO L479 AbstractCegarLoop]: Abstraction has 1909 states and 2256 transitions. [2020-07-17 11:40:52,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:40:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2256 transitions. [2020-07-17 11:40:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-17 11:40:52,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:52,486 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:40:52,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:40:52,701 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:52,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:52,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1660264449, now seen corresponding path program 1 times [2020-07-17 11:40:52,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:52,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835170900] [2020-07-17 11:40:52,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,003 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-17 11:40:53,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835170900] [2020-07-17 11:40:53,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556938136] [2020-07-17 11:40:53,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:53,805 INFO L264 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:40:53,816 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-17 11:40:54,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:54,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:40:54,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799815067] [2020-07-17 11:40:54,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:40:54,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:54,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:40:54,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:40:54,294 INFO L87 Difference]: Start difference. First operand 1909 states and 2256 transitions. Second operand 24 states. [2020-07-17 11:40:55,322 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:56,227 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:56,930 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:57,445 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:57,965 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:58,216 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:58,474 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:58,782 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:59,077 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:59,335 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:00,277 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:00,645 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:04,413 INFO L93 Difference]: Finished difference Result 4809 states and 6476 transitions. [2020-07-17 11:41:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 11:41:04,414 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 303 [2020-07-17 11:41:04,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:04,431 INFO L225 Difference]: With dead ends: 4809 [2020-07-17 11:41:04,431 INFO L226 Difference]: Without dead ends: 2947 [2020-07-17 11:41:04,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 418 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 11:41:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2020-07-17 11:41:04,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2092. [2020-07-17 11:41:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2092 states. [2020-07-17 11:41:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2461 transitions. [2020-07-17 11:41:04,882 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2461 transitions. Word has length 303 [2020-07-17 11:41:04,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:04,883 INFO L479 AbstractCegarLoop]: Abstraction has 2092 states and 2461 transitions. [2020-07-17 11:41:04,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:41:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2461 transitions. [2020-07-17 11:41:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-17 11:41:04,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:04,894 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:41:05,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:41:05,109 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:05,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1457558395, now seen corresponding path program 1 times [2020-07-17 11:41:05,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:05,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856873263] [2020-07-17 11:41:05,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,509 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2020-07-17 11:41:05,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856873263] [2020-07-17 11:41:05,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258260844] [2020-07-17 11:41:05,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:06,233 INFO L264 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 11:41:06,244 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-17 11:41:06,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:41:06,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:41:06,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275790680] [2020-07-17 11:41:06,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:41:06,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:06,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:41:06,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:41:06,501 INFO L87 Difference]: Start difference. First operand 2092 states and 2461 transitions. Second operand 22 states. [2020-07-17 11:41:07,332 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:41:07,927 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:41:08,405 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:41:08,871 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:41:09,799 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:11,437 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:11,899 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:12,325 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:12,955 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:13,936 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:14,180 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:15,046 INFO L93 Difference]: Finished difference Result 4118 states and 4995 transitions. [2020-07-17 11:41:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:41:15,047 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-17 11:41:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:15,060 INFO L225 Difference]: With dead ends: 4118 [2020-07-17 11:41:15,060 INFO L226 Difference]: Without dead ends: 2249 [2020-07-17 11:41:15,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:41:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2020-07-17 11:41:15,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2094. [2020-07-17 11:41:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2094 states. [2020-07-17 11:41:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 2457 transitions. [2020-07-17 11:41:15,596 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 2457 transitions. Word has length 319 [2020-07-17 11:41:15,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:15,597 INFO L479 AbstractCegarLoop]: Abstraction has 2094 states and 2457 transitions. [2020-07-17 11:41:15,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:41:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2457 transitions. [2020-07-17 11:41:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-17 11:41:15,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:15,608 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:41:15,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:41:15,824 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:15,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:15,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1638821047, now seen corresponding path program 1 times [2020-07-17 11:41:15,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:15,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009913314] [2020-07-17 11:41:15,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,379 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-07-17 11:41:16,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009913314] [2020-07-17 11:41:16,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429535196] [2020-07-17 11:41:16,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:16,870 INFO L264 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:41:16,878 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-17 11:41:17,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:41:17,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 11:41:17,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902345278] [2020-07-17 11:41:17,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:41:17,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:41:17,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:41:17,055 INFO L87 Difference]: Start difference. First operand 2094 states and 2457 transitions. Second operand 17 states. [2020-07-17 11:41:17,528 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:18,192 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:20,038 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:20,299 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:41:20,565 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:20,824 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:21,551 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:21,903 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:22,162 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:22,433 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:22,695 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:24,843 INFO L93 Difference]: Finished difference Result 5436 states and 6981 transitions. [2020-07-17 11:41:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 11:41:24,845 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 320 [2020-07-17 11:41:24,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:24,881 INFO L225 Difference]: With dead ends: 5436 [2020-07-17 11:41:24,881 INFO L226 Difference]: Without dead ends: 3480 [2020-07-17 11:41:24,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 11:41:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2020-07-17 11:41:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2679. [2020-07-17 11:41:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-07-17 11:41:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3142 transitions. [2020-07-17 11:41:25,595 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3142 transitions. Word has length 320 [2020-07-17 11:41:25,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:25,597 INFO L479 AbstractCegarLoop]: Abstraction has 2679 states and 3142 transitions. [2020-07-17 11:41:25,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:41:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3142 transitions. [2020-07-17 11:41:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-07-17 11:41:25,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:25,618 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:41:25,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:25,833 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:25,834 INFO L82 PathProgramCache]: Analyzing trace with hash -979338692, now seen corresponding path program 1 times [2020-07-17 11:41:25,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:25,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390901126] [2020-07-17 11:41:25,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,178 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 163 proven. 3 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2020-07-17 11:41:26,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390901126] [2020-07-17 11:41:26,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738183791] [2020-07-17 11:41:26,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:26,852 INFO L264 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 11:41:26,861 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-07-17 11:41:26,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:41:26,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-17 11:41:26,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471825650] [2020-07-17 11:41:26,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:41:26,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:26,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:41:26,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:41:26,945 INFO L87 Difference]: Start difference. First operand 2679 states and 3142 transitions. Second operand 3 states. [2020-07-17 11:41:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:27,228 INFO L93 Difference]: Finished difference Result 3180 states and 3746 transitions. [2020-07-17 11:41:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:41:27,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 431 [2020-07-17 11:41:27,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:27,235 INFO L225 Difference]: With dead ends: 3180 [2020-07-17 11:41:27,235 INFO L226 Difference]: Without dead ends: 1117 [2020-07-17 11:41:27,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:41:27,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-07-17 11:41:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1091. [2020-07-17 11:41:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-17 11:41:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1243 transitions. [2020-07-17 11:41:27,440 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1243 transitions. Word has length 431 [2020-07-17 11:41:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:27,441 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1243 transitions. [2020-07-17 11:41:27,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:41:27,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1243 transitions. [2020-07-17 11:41:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-17 11:41:27,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:27,449 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:41:27,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 11:41:27,664 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:27,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:27,664 INFO L82 PathProgramCache]: Analyzing trace with hash 532410555, now seen corresponding path program 1 times [2020-07-17 11:41:27,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:27,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660902630] [2020-07-17 11:41:27,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,054 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 24 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-07-17 11:41:28,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660902630] [2020-07-17 11:41:28,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660599374] [2020-07-17 11:41:28,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:28,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-17 11:41:28,963 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 227 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-17 11:41:29,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:41:29,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 26 [2020-07-17 11:41:29,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229178935] [2020-07-17 11:41:29,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-17 11:41:29,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:29,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-17 11:41:29,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:41:29,289 INFO L87 Difference]: Start difference. First operand 1091 states and 1243 transitions. Second operand 26 states. [2020-07-17 11:41:30,097 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:41:30,899 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:41:32,250 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:32,594 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:32,885 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:34,002 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:41:35,046 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-17 11:41:35,593 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:41:36,116 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:41:36,641 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:41:37,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:37,443 INFO L93 Difference]: Finished difference Result 1218 states and 1411 transitions. [2020-07-17 11:41:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 11:41:37,444 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 388 [2020-07-17 11:41:37,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:37,445 INFO L225 Difference]: With dead ends: 1218 [2020-07-17 11:41:37,446 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:41:37,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=603, Invalid=2589, Unknown=0, NotChecked=0, Total=3192 [2020-07-17 11:41:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:41:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:41:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:41:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:41:37,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-07-17 11:41:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:37,451 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:41:37,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-17 11:41:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:41:37,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:41:37,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:37,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:41:39,504 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 328 [2020-07-17 11:41:40,097 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 292 [2020-07-17 11:41:41,924 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 318 [2020-07-17 11:41:46,856 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 363 [2020-07-17 11:41:48,340 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 310 [2020-07-17 11:41:49,323 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-07-17 11:41:51,564 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-07-17 11:41:52,878 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 199 DAG size of output: 40 [2020-07-17 11:41:53,841 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-17 11:41:54,016 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-17 11:41:54,396 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:41:55,126 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 36 [2020-07-17 11:41:55,885 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-17 11:41:56,512 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-17 11:41:56,701 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-17 11:41:57,244 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-07-17 11:41:57,453 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-17 11:41:57,672 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-17 11:41:58,488 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 40 [2020-07-17 11:41:58,706 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:59,653 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-07-17 11:41:59,866 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-17 11:42:01,700 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-07-17 11:42:01,897 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-17 11:42:02,174 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-07-17 11:42:03,812 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 225 DAG size of output: 39 [2020-07-17 11:42:03,986 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-17 11:42:04,530 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2020-07-17 11:42:04,738 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-17 11:42:04,928 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:42:06,479 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 205 DAG size of output: 38 [2020-07-17 11:42:08,209 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 250 DAG size of output: 37 [2020-07-17 11:42:08,402 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:42:09,612 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-07-17 11:42:10,538 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-07-17 11:42:11,324 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 21 [2020-07-17 11:42:12,543 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 273 DAG size of output: 41 [2020-07-17 11:42:13,252 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2020-07-17 11:42:13,765 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-17 11:42:13,962 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-17 11:42:14,173 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-17 11:42:14,437 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-07-17 11:42:14,636 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-17 11:42:14,827 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-17 11:42:15,741 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 33 [2020-07-17 11:42:15,924 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-17 11:42:16,113 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-17 11:42:16,290 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-17 11:42:16,485 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-17 11:42:17,113 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-17 11:42:17,312 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-17 11:42:18,534 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 259 DAG size of output: 37 [2020-07-17 11:42:19,142 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-07-17 11:42:19,870 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-07-17 11:42:20,060 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:42:21,430 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 278 DAG size of output: 31 [2020-07-17 11:42:21,642 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2020-07-17 11:42:21,948 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 31 [2020-07-17 11:42:22,154 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2020-07-17 11:42:22,159 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-17 11:42:22,159 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 547) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point L537-2(lines 537 558) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 512 567) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point L559(lines 536 560) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 512 567) no Hoare annotation was computed. [2020-07-17 11:42:22,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 512 567) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point L600(lines 600 604) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 568 627) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 619) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 568 627) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point L620(lines 593 621) no Hoare annotation was computed. [2020-07-17 11:42:22,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 568 627) no Hoare annotation was computed. [2020-07-17 11:42:22,162 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-17 11:42:22,162 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-17 11:42:22,162 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2020-07-17 11:42:22,162 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2020-07-17 11:42:22,162 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2020-07-17 11:42:22,163 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2020-07-17 11:42:22,163 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2020-07-17 11:42:22,163 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:22,163 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2020-07-17 11:42:22,163 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2020-07-17 11:42:22,164 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-17 11:42:22,165 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse7 .cse1 .cse6 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse7 .cse1 .cse6 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3))) [2020-07-17 11:42:22,166 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2020-07-17 11:42:22,166 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2020-07-17 11:42:22,166 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse5 .cse0 .cse8 .cse2) (or .cse8 (not (= 2 ~waterLevel~0)) .cse2) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 (not (<= 0 ~waterLevel~0)) .cse7 .cse4 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:22,166 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-17 11:42:22,166 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-07-17 11:42:22,166 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-07-17 11:42:22,167 INFO L271 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: true [2020-07-17 11:42:22,167 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-17 11:42:22,167 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2020-07-17 11:42:22,167 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2020-07-17 11:42:22,167 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 (not (= 0 ~systemActive~0)) .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-17 11:42:22,167 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-17 11:42:22,167 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-07-17 11:42:22,168 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 960 982) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,168 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2020-07-17 11:42:22,168 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2020-07-17 11:42:22,168 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:42:22,168 INFO L264 CegarLoopResult]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:42:22,168 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-17 11:42:22,169 INFO L268 CegarLoopResult]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2020-07-17 11:42:22,169 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-17 11:42:22,169 INFO L264 CegarLoopResult]: At program point L967(line 967) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,169 INFO L264 CegarLoopResult]: At program point L966(line 966) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,169 INFO L264 CegarLoopResult]: At program point L966-1(line 966) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,169 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-17 11:42:22,169 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 915 938) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 915 938) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 915 938) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-07-17 11:42:22,170 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L268 CegarLoopResult]: For program point L448(lines 448 454) no Hoare annotation was computed. [2020-07-17 11:42:22,171 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 |old(~systemActive~0)|)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-17 11:42:22,172 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2020-07-17 11:42:22,172 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-17 11:42:22,172 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2020-07-17 11:42:22,172 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2020-07-17 11:42:22,172 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2020-07-17 11:42:22,172 INFO L271 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: true [2020-07-17 11:42:22,172 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2020-07-17 11:42:22,172 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-07-17 11:42:22,173 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 466 511) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 466 511) no Hoare annotation was computed. [2020-07-17 11:42:22,174 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 466 511) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 779 824) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point L793(lines 793 813) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 813) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 779 824) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 779 824) no Hoare annotation was computed. [2020-07-17 11:42:22,175 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,175 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2020-07-17 11:42:22,176 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,176 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2020-07-17 11:42:22,176 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2020-07-17 11:42:22,176 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2020-07-17 11:42:22,176 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2020-07-17 11:42:22,176 INFO L271 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-07-17 11:42:22,176 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-17 11:42:22,176 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2020-07-17 11:42:22,177 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:22,178 INFO L268 CegarLoopResult]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2020-07-17 11:42:22,178 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-17 11:42:22,178 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-17 11:42:22,178 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-17 11:42:22,178 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-07-17 11:42:22,178 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-17 11:42:22,179 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-07-17 11:42:22,179 INFO L268 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-07-17 11:42:22,179 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2020-07-17 11:42:22,179 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2020-07-17 11:42:22,179 INFO L264 CegarLoopResult]: At program point testENTRY(lines 154 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,179 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse7) (and .cse6 .cse0 .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse5 .cse7))) [2020-07-17 11:42:22,179 INFO L268 CegarLoopResult]: For program point L184(lines 184 190) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L268 CegarLoopResult]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L268 CegarLoopResult]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L264 CegarLoopResult]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-17 11:42:22,180 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-17 11:42:22,180 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L268 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2020-07-17 11:42:22,180 INFO L264 CegarLoopResult]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,181 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse3) (not (< 0 |old(~waterLevel~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1)) (and .cse0 .cse4 .cse2))) [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-17 11:42:22,181 INFO L264 CegarLoopResult]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 .cse7) (and .cse6 .cse0 .cse3 .cse4 .cse7) (and .cse0 .cse2 .cse5 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse4 .cse7))) [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point L165(lines 164 211) no Hoare annotation was computed. [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 733 778) no Hoare annotation was computed. [2020-07-17 11:42:22,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 733 778) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point L753(lines 753 760) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 733 778) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point L747(lines 747 767) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point L747-1(lines 747 767) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-17 11:42:22,182 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 630 732) no Hoare annotation was computed. [2020-07-17 11:42:22,183 INFO L268 CegarLoopResult]: For program point L700(lines 678 701) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L659(lines 659 675) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L680(lines 679 699) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 630 732) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L676(lines 676 717) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-17 11:42:22,184 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 630 732) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point L718(lines 718 729) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point L679-2(lines 679 699) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 985 994) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 985 994) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 985 994) no Hoare annotation was computed. [2020-07-17 11:42:22,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,186 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-17 11:42:22,186 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,186 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:22,186 INFO L268 CegarLoopResult]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2020-07-17 11:42:22,186 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-07-17 11:42:22,186 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2020-07-17 11:42:22,187 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:22,187 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-07-17 11:42:22,187 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 325 341) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:22,187 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-17 11:42:22,187 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:42:22,187 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:42:22,187 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2020-07-17 11:42:22,187 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-17 11:42:22,188 INFO L271 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: true [2020-07-17 11:42:22,188 INFO L268 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-07-17 11:42:22,188 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-17 11:42:22,188 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2020-07-17 11:42:22,188 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2020-07-17 11:42:22,188 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-17 11:42:22,188 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse3) (or .cse5 .cse0 .cse3 .cse4) (or (not (<= 0 ~waterLevel~0)) .cse0 .cse6 .cse7 (not (<= ~waterLevel~0 0)) .cse4))) [2020-07-17 11:42:22,188 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-17 11:42:22,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,189 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-17 11:42:22,189 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-17 11:42:22,189 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-17 11:42:22,190 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (and .cse0 .cse9) .cse2 .cse4 .cse10 .cse3) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 (not (< 0 |old(~waterLevel~0)|)) .cse3) (or .cse6 .cse4 .cse10 (and .cse7 .cse8 .cse1) .cse3))) [2020-07-17 11:42:22,190 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse1 (and .cse4 .cse11)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5) .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse6) (or .cse7 .cse8 (not (<= |old(~waterLevel~0)| 0)) (and .cse9 .cse10 .cse11) .cse6 (not (<= 0 |old(~waterLevel~0)|))) (or .cse1 (and .cse11 (<= 1 ~pumpRunning~0)) .cse3 .cse12 .cse13 .cse6) (or .cse8 .cse12 .cse13 (and .cse9 .cse10 .cse5) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) .cse6) (or .cse7 .cse0 (and .cse9 .cse10 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse8 (not (< 0 |old(~waterLevel~0)|)) .cse6) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3)))) [2020-07-17 11:42:22,190 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: (let ((.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse9 .cse10)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse4 (not (<= 0 |old(~waterLevel~0)|)))))) [2020-07-17 11:42:22,190 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse1) (or .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse6 .cse0 (not (<= |old(~waterLevel~0)| 0)) .cse2 .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 .cse1 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (< 0 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-17 11:42:22,190 INFO L268 CegarLoopResult]: For program point L237(lines 233 255) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point L235(lines 233 255) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2020-07-17 11:42:22,191 INFO L271 CegarLoopResult]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2020-07-17 11:42:22,191 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2020-07-17 11:42:22,191 INFO L271 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: true [2020-07-17 11:42:22,191 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L271 CegarLoopResult]: At program point L910(lines 885 914) the Hoare annotation is: true [2020-07-17 11:42:22,192 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L268 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L271 CegarLoopResult]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2020-07-17 11:42:22,192 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= 0 |old(~waterLevel~0)|))) [2020-07-17 11:42:22,192 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2020-07-17 11:42:22,192 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2020-07-17 11:42:22,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,193 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:42:22,193 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:42:22,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:22,193 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-17 11:42:22,193 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-17 11:42:22,193 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-17 11:42:22,194 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-17 11:42:22,194 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:22,194 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:22,194 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-17 11:42:22,194 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:22,194 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-17 11:42:22,194 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-17 11:42:22,195 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-17 11:42:22,195 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-17 11:42:22,195 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (= 2 ~waterLevel~0) .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse1 .cse7) (or .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-17 11:42:22,195 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2020-07-17 11:42:22,195 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2020-07-17 11:42:22,195 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2020-07-17 11:42:22,195 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2020-07-17 11:42:22,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:42:22 BoogieIcfgContainer [2020-07-17 11:42:22,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:42:22,214 INFO L168 Benchmark]: Toolchain (without parser) took 135309.68 ms. Allocated memory was 146.3 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 102.7 MB in the beginning and 318.8 MB in the end (delta: -216.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,215 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.58 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 171.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,216 INFO L168 Benchmark]: Boogie Preprocessor took 110.44 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,217 INFO L168 Benchmark]: RCFGBuilder took 1070.47 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.5 MB in the beginning and 191.0 MB in the end (delta: -23.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,217 INFO L168 Benchmark]: TraceAbstraction took 133440.10 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 191.0 MB in the beginning and 318.8 MB in the end (delta: -127.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:42:22,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.58 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 171.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.44 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1070.47 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.5 MB in the beginning and 191.0 MB in the end (delta: -23.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 133440.10 ms. Allocated memory was 235.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 191.0 MB in the beginning and 318.8 MB in the end (delta: -127.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 88.8s, OverallIterations: 14, TraceHistogramMax: 11, AutomataDifference: 72.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 44.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2559 SDtfs, 7061 SDslu, 5116 SDs, 0 SdLazy, 21523 SolverSat, 5280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3292 GetRequests, 2891 SyntacticMatches, 9 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4427 ImplicationChecksByTransitivity, 36.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2679occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 2773 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 5125 PreInvPairs, 5297 NumberOfFragments, 3186 HoareAnnotationTreeSize, 5125 FomulaSimplifications, 997892482 FormulaSimplificationTreeSizeReduction, 12.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 3360881 FormulaSimplificationTreeSizeReductionInter, 31.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 4551 NumberOfCodeBlocks, 4551 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4531 ConstructedInterpolants, 0 QuantifiedInterpolants, 2687859 SizeOfPredicates, 24 NumberOfNonLiveVariables, 8011 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 4410/4618 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...