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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:47,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:47,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:47,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:47,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:47,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:47,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:47,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:47,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:47,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:47,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:47,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:47,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:47,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:47,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:47,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:47,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:47,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:47,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:47,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:47,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:47,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:47,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:47,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:47,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:47,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:47,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:47,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:47,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:47,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:47,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:47,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:47,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:47,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:47,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:47,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:47,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:47,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:47,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:47,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:47,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:47,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:31:47,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:47,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:47,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:47,820 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:47,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:47,821 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:47,821 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:47,821 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:47,821 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:47,821 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:47,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:47,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:47,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:47,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:47,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:47,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:47,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:47,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:47,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:47,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:47,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:47,824 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:47,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:47,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:47,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:47,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:47,825 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:47,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:47,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:47,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:47,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:47,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:47,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:47,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:47,874 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:47,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-20 13:31:47,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d010846/19e2ff01965c44e5adf192a752572417/FLAG0260f1cfb [2019-09-20 13:31:48,457 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:48,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-09-20 13:31:48,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d010846/19e2ff01965c44e5adf192a752572417/FLAG0260f1cfb [2019-09-20 13:31:48,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d010846/19e2ff01965c44e5adf192a752572417 [2019-09-20 13:31:48,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:48,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:48,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:48,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:48,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:48,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:48" (1/1) ... [2019-09-20 13:31:48,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cca2c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:48, skipping insertion in model container [2019-09-20 13:31:48,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:48" (1/1) ... [2019-09-20 13:31:48,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:48,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:49,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:49,382 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:49,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:49,575 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:49,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49 WrapperNode [2019-09-20 13:31:49,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:49,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:49,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:49,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:49,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (1/1) ... [2019-09-20 13:31:49,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:49,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:49,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:49,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:49,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (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 [2019-09-20 13:31:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:31:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:31:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-09-20 13:31:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-09-20 13:31:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:50,945 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:50,946 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:50,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:50 BoogieIcfgContainer [2019-09-20 13:31:50,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:50,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:50,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:50,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:50,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:48" (1/3) ... [2019-09-20 13:31:50,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1400c15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:50, skipping insertion in model container [2019-09-20 13:31:50,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:49" (2/3) ... [2019-09-20 13:31:50,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1400c15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:50, skipping insertion in model container [2019-09-20 13:31:50,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:50" (3/3) ... [2019-09-20 13:31:50,962 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2019-09-20 13:31:50,972 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:50,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:51,001 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:51,032 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:51,032 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:51,032 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:51,032 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:51,033 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:51,033 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:51,034 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:51,034 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2019-09-20 13:31:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-20 13:31:51,088 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:51,089 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-09-20 13:31:51,092 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:51,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:51,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1762673243, now seen corresponding path program 1 times [2019-09-20 13:31:51,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:51,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:51,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:51,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:51,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:51,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:51,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:51,533 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:51,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:51,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:51,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:51,556 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 2 states. [2019-09-20 13:31:51,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:51,592 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2019-09-20 13:31:51,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:51,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 91 [2019-09-20 13:31:51,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:51,610 INFO L225 Difference]: With dead ends: 223 [2019-09-20 13:31:51,610 INFO L226 Difference]: Without dead ends: 212 [2019-09-20 13:31:51,612 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:51,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-09-20 13:31:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-09-20 13:31:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-20 13:31:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 259 transitions. [2019-09-20 13:31:51,723 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 259 transitions. Word has length 91 [2019-09-20 13:31:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:51,727 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 259 transitions. [2019-09-20 13:31:51,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2019-09-20 13:31:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:31:51,749 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:51,749 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-09-20 13:31:51,750 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:51,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:51,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1489086657, now seen corresponding path program 1 times [2019-09-20 13:31:51,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:51,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:51,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:51,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:51,755 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:52,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:52,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:52,006 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:52,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:52,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:52,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:52,012 INFO L87 Difference]: Start difference. First operand 212 states and 259 transitions. Second operand 3 states. [2019-09-20 13:31:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:52,060 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2019-09-20 13:31:52,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:52,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-09-20 13:31:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:52,069 INFO L225 Difference]: With dead ends: 203 [2019-09-20 13:31:52,069 INFO L226 Difference]: Without dead ends: 203 [2019-09-20 13:31:52,072 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-09-20 13:31:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-09-20 13:31:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-09-20 13:31:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 247 transitions. [2019-09-20 13:31:52,105 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 247 transitions. Word has length 92 [2019-09-20 13:31:52,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:52,107 INFO L475 AbstractCegarLoop]: Abstraction has 203 states and 247 transitions. [2019-09-20 13:31:52,107 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 247 transitions. [2019-09-20 13:31:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-09-20 13:31:52,111 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:52,111 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-09-20 13:31:52,111 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:52,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2081754782, now seen corresponding path program 1 times [2019-09-20 13:31:52,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:52,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:52,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:52,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:52,117 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:52,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:52,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:31:52,378 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:52,378 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:31:52,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:31:52,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:52,403 INFO L87 Difference]: Start difference. First operand 203 states and 247 transitions. Second operand 9 states. [2019-09-20 13:31:53,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:53,776 INFO L93 Difference]: Finished difference Result 419 states and 520 transitions. [2019-09-20 13:31:53,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:31:53,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-09-20 13:31:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:53,784 INFO L225 Difference]: With dead ends: 419 [2019-09-20 13:31:53,784 INFO L226 Difference]: Without dead ends: 419 [2019-09-20 13:31:53,785 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:31:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-09-20 13:31:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 407. [2019-09-20 13:31:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-09-20 13:31:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 508 transitions. [2019-09-20 13:31:53,860 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 508 transitions. Word has length 97 [2019-09-20 13:31:53,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:53,861 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 508 transitions. [2019-09-20 13:31:53,861 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:31:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 508 transitions. [2019-09-20 13:31:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:31:53,864 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:53,864 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-09-20 13:31:53,864 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:53,865 INFO L82 PathProgramCache]: Analyzing trace with hash -995246095, now seen corresponding path program 1 times [2019-09-20 13:31:53,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:53,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:53,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:53,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:53,869 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-20 13:31:54,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:54,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:54,030 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:54,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:54,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:54,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:54,031 INFO L87 Difference]: Start difference. First operand 407 states and 508 transitions. Second operand 7 states. [2019-09-20 13:31:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:55,076 INFO L93 Difference]: Finished difference Result 691 states and 900 transitions. [2019-09-20 13:31:55,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:31:55,081 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2019-09-20 13:31:55,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:55,086 INFO L225 Difference]: With dead ends: 691 [2019-09-20 13:31:55,087 INFO L226 Difference]: Without dead ends: 691 [2019-09-20 13:31:55,087 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:31:55,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-09-20 13:31:55,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 631. [2019-09-20 13:31:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-09-20 13:31:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 799 transitions. [2019-09-20 13:31:55,165 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 799 transitions. Word has length 103 [2019-09-20 13:31:55,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:55,166 INFO L475 AbstractCegarLoop]: Abstraction has 631 states and 799 transitions. [2019-09-20 13:31:55,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 799 transitions. [2019-09-20 13:31:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:31:55,170 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:55,170 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:55,170 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:55,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2077668553, now seen corresponding path program 1 times [2019-09-20 13:31:55,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:55,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:55,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,174 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:55,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:55,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:31:55,281 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:55,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:31:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:31:55,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:55,282 INFO L87 Difference]: Start difference. First operand 631 states and 799 transitions. Second operand 9 states. [2019-09-20 13:31:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:55,648 INFO L93 Difference]: Finished difference Result 645 states and 813 transitions. [2019-09-20 13:31:55,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:31:55,648 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-09-20 13:31:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:55,653 INFO L225 Difference]: With dead ends: 645 [2019-09-20 13:31:55,653 INFO L226 Difference]: Without dead ends: 645 [2019-09-20 13:31:55,654 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:31:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-09-20 13:31:55,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 639. [2019-09-20 13:31:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-09-20 13:31:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 807 transitions. [2019-09-20 13:31:55,686 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 807 transitions. Word has length 136 [2019-09-20 13:31:55,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:55,687 INFO L475 AbstractCegarLoop]: Abstraction has 639 states and 807 transitions. [2019-09-20 13:31:55,687 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:31:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 807 transitions. [2019-09-20 13:31:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:31:55,690 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:55,690 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:55,690 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:55,691 INFO L82 PathProgramCache]: Analyzing trace with hash -232301387, now seen corresponding path program 1 times [2019-09-20 13:31:55,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:55,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,694 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:55,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:55,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:55,778 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:55,779 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:55,779 INFO L87 Difference]: Start difference. First operand 639 states and 807 transitions. Second operand 6 states. [2019-09-20 13:31:55,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:55,816 INFO L93 Difference]: Finished difference Result 653 states and 823 transitions. [2019-09-20 13:31:55,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:55,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-09-20 13:31:55,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:55,822 INFO L225 Difference]: With dead ends: 653 [2019-09-20 13:31:55,822 INFO L226 Difference]: Without dead ends: 653 [2019-09-20 13:31:55,822 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-09-20 13:31:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 649. [2019-09-20 13:31:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2019-09-20 13:31:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 817 transitions. [2019-09-20 13:31:55,852 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 817 transitions. Word has length 136 [2019-09-20 13:31:55,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:55,853 INFO L475 AbstractCegarLoop]: Abstraction has 649 states and 817 transitions. [2019-09-20 13:31:55,853 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 817 transitions. [2019-09-20 13:31:55,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:31:55,856 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:55,856 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:55,856 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:55,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1768602104, now seen corresponding path program 1 times [2019-09-20 13:31:55,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:55,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:55,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,859 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:55,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:55,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:31:55,955 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:55,956 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:31:55,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:31:55,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:31:55,957 INFO L87 Difference]: Start difference. First operand 649 states and 817 transitions. Second operand 4 states. [2019-09-20 13:31:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:56,350 INFO L93 Difference]: Finished difference Result 1381 states and 1825 transitions. [2019-09-20 13:31:56,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:31:56,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-09-20 13:31:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:56,362 INFO L225 Difference]: With dead ends: 1381 [2019-09-20 13:31:56,362 INFO L226 Difference]: Without dead ends: 1381 [2019-09-20 13:31:56,363 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:31:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2019-09-20 13:31:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1364. [2019-09-20 13:31:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2019-09-20 13:31:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1788 transitions. [2019-09-20 13:31:56,437 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1788 transitions. Word has length 136 [2019-09-20 13:31:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:56,438 INFO L475 AbstractCegarLoop]: Abstraction has 1364 states and 1788 transitions. [2019-09-20 13:31:56,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:31:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1788 transitions. [2019-09-20 13:31:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-09-20 13:31:56,444 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:56,444 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:56,444 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:56,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash 2097761874, now seen corresponding path program 1 times [2019-09-20 13:31:56,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:56,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:56,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:56,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:56,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:31:56,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:56,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:31:56,618 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:56,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:31:56,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:31:56,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:56,619 INFO L87 Difference]: Start difference. First operand 1364 states and 1788 transitions. Second operand 9 states. [2019-09-20 13:31:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:58,292 INFO L93 Difference]: Finished difference Result 2654 states and 3444 transitions. [2019-09-20 13:31:58,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-20 13:31:58,292 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2019-09-20 13:31:58,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:58,309 INFO L225 Difference]: With dead ends: 2654 [2019-09-20 13:31:58,309 INFO L226 Difference]: Without dead ends: 2654 [2019-09-20 13:31:58,310 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:31:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2019-09-20 13:31:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2575. [2019-09-20 13:31:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-09-20 13:31:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3322 transitions. [2019-09-20 13:31:58,435 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3322 transitions. Word has length 140 [2019-09-20 13:31:58,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:58,436 INFO L475 AbstractCegarLoop]: Abstraction has 2575 states and 3322 transitions. [2019-09-20 13:31:58,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:31:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3322 transitions. [2019-09-20 13:31:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-09-20 13:31:58,441 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:58,442 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:58,442 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:58,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:58,442 INFO L82 PathProgramCache]: Analyzing trace with hash 314895610, now seen corresponding path program 1 times [2019-09-20 13:31:58,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:58,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:58,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:58,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:58,445 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-20 13:31:58,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:31:58,541 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:31:58,543 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2019-09-20 13:31:58,546 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [92], [95], [97], [100], [110], [122], [124], [126], [128], [130], [132], [134], [135], [162], [166], [167], [172], [174], [175], [184], [188], [192], [195], [198], [200], [206], [208], [211], [217], [261], [262], [276], [278], [279], [280], [281], [283], [288], [290], [291], [297], [300], [304], [310], [339], [343], [344], [349], [353], [354], [361], [363], [364], [365], [385], [386], [388], [389], [390], [392], [395], [397], [400], [403], [412], [414], [415], [416], [419], [421], [423], [468], [469], [517], [518], [528], [536], [537], [538], [539], [540], [541], [542], [543], [544], [578], [579], [580], [581], [588], [589], [590], [591], [592], [593], [594], [595], [596], [597], [598], [599], [606], [607], [608], [609], [616], [617], [630], [631], [632], [633], [634], [635], [636], [637], [638], [639], [640], [641], [648], [649], [658], [659], [660], [661], [662], [663], [664], [666], [667], [668], [669], [672], [673], [674], [682], [683], [684] [2019-09-20 13:31:58,600 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:31:58,600 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:31:58,684 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:31:58,686 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 85 root evaluator evaluations with a maximum evaluation depth of 0. Performed 85 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 144 variables. [2019-09-20 13:31:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:58,690 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:31:58,759 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:31:58,759 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:31:58,765 INFO L420 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2019-09-20 13:31:58,765 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:31:58,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:31:58,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-20 13:31:58,766 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:58,767 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:58,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:58,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:58,767 INFO L87 Difference]: Start difference. First operand 2575 states and 3322 transitions. Second operand 2 states. [2019-09-20 13:31:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:58,768 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:31:58,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:58,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 191 [2019-09-20 13:31:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:58,769 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:31:58,769 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:58,769 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:58,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:58,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-09-20 13:31:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:58,770 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:58,771 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:58,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:58,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:58 BoogieIcfgContainer [2019-09-20 13:31:58,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:58,784 INFO L168 Benchmark]: Toolchain (without parser) took 10002.91 ms. Allocated memory was 131.6 MB in the beginning and 400.0 MB in the end (delta: 268.4 MB). Free memory was 85.5 MB in the beginning and 160.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 193.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,785 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.03 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 158.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,787 INFO L168 Benchmark]: Boogie Preprocessor took 108.86 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 153.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,788 INFO L168 Benchmark]: RCFGBuilder took 1263.23 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 153.9 MB in the beginning and 173.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,789 INFO L168 Benchmark]: TraceAbstraction took 7827.92 ms. Allocated memory was 218.1 MB in the beginning and 400.0 MB in the end (delta: 181.9 MB). Free memory was 173.0 MB in the beginning and 160.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:58,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.03 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 158.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.86 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 153.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1263.23 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 153.9 MB in the beginning and 173.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7827.92 ms. Allocated memory was 218.1 MB in the beginning and 400.0 MB in the end (delta: 181.9 MB). Free memory was 173.0 MB in the beginning and 160.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 312]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 308 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2305 SDtfs, 2108 SDslu, 5095 SDs, 0 SdLazy, 3010 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2575occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8263157894736842 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 178 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1113 ConstructedInterpolants, 0 QuantifiedInterpolants, 218437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 469/475 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...