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_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:59,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:59,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:59,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:59,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:59,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:59,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:59,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:59,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:59,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:59,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:59,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:59,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:59,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:59,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:59,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:59,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:59,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:59,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:59,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:59,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:59,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:59,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:59,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:59,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:59,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:59,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:59,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:59,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:59,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:59,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:59,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:59,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:59,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:59,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:59,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:59,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:59,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:59,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:59,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:59,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:59,752 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 [2019-09-10 02:49:59,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:59,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:59,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:59,769 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:59,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:59,770 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:59,770 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:59,770 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:59,771 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:59,771 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:59,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:59,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:59,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:59,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:59,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:59,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:59,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:59,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:59,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:59,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:59,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:59,776 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:59,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:59,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:59,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:59,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:59,778 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:59,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:59,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:59,778 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:59,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:59,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:59,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:59,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:59,865 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:59,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-09-10 02:49:59,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e662f7e9d/8dfeb0f61d654d728c851c9088f85559/FLAG98fdde691 [2019-09-10 02:50:00,491 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:00,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-09-10 02:50:00,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e662f7e9d/8dfeb0f61d654d728c851c9088f85559/FLAG98fdde691 [2019-09-10 02:50:00,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e662f7e9d/8dfeb0f61d654d728c851c9088f85559 [2019-09-10 02:50:00,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:00,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:00,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:00,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:00,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:00,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:00" (1/1) ... [2019-09-10 02:50:00,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e667064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:00, skipping insertion in model container [2019-09-10 02:50:00,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:00" (1/1) ... [2019-09-10 02:50:00,800 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:00,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:01,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:01,324 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:01,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:01,443 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:01,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01 WrapperNode [2019-09-10 02:50:01,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:01,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:01,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:01,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:01,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (1/1) ... [2019-09-10 02:50:01,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:01,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:01,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:01,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:01,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (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 [2019-09-10 02:50:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:50:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-10 02:50:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:50:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:50:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:02,650 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:02,651 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:02,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:02 BoogieIcfgContainer [2019-09-10 02:50:02,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:02,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:02,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:02,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:02,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:00" (1/3) ... [2019-09-10 02:50:02,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b5de43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:02, skipping insertion in model container [2019-09-10 02:50:02,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:01" (2/3) ... [2019-09-10 02:50:02,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b5de43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:02, skipping insertion in model container [2019-09-10 02:50:02,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:02" (3/3) ... [2019-09-10 02:50:02,680 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2019-09-10 02:50:02,691 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:02,699 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:02,716 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:02,741 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:02,741 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:02,742 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:02,742 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:02,742 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:02,742 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:02,743 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:02,743 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-09-10 02:50:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:50:02,776 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:02,777 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:02,780 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:02,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:02,786 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2019-09-10 02:50:02,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:02,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:02,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:02,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:02,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:03,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:03,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:03,152 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:03,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:03,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:03,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:03,176 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-09-10 02:50:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:03,222 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2019-09-10 02:50:03,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:03,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:50:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:03,248 INFO L225 Difference]: With dead ends: 117 [2019-09-10 02:50:03,251 INFO L226 Difference]: Without dead ends: 106 [2019-09-10 02:50:03,256 INFO L628 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 [2019-09-10 02:50:03,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-09-10 02:50:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-09-10 02:50:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-09-10 02:50:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-09-10 02:50:03,349 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2019-09-10 02:50:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:03,350 INFO L475 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-09-10 02:50:03,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:03,350 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-09-10 02:50:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:50:03,357 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:03,357 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:03,357 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:03,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2019-09-10 02:50:03,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:03,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:03,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:03,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:03,361 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:03,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:03,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:03,543 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:03,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:03,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:03,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:03,547 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2019-09-10 02:50:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:03,569 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2019-09-10 02:50:03,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:03,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:50:03,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:03,573 INFO L225 Difference]: With dead ends: 97 [2019-09-10 02:50:03,574 INFO L226 Difference]: Without dead ends: 97 [2019-09-10 02:50:03,574 INFO L628 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 [2019-09-10 02:50:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-09-10 02:50:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-09-10 02:50:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-09-10 02:50:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-09-10 02:50:03,599 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2019-09-10 02:50:03,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:03,602 INFO L475 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-09-10 02:50:03,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-09-10 02:50:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:50:03,604 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:03,604 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:03,604 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:03,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2019-09-10 02:50:03,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:03,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:03,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:03,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:03,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:03,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:03,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:50:03,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:03,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:50:03,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:50:03,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:03,775 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2019-09-10 02:50:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:04,079 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2019-09-10 02:50:04,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:50:04,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-10 02:50:04,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:04,082 INFO L225 Difference]: With dead ends: 97 [2019-09-10 02:50:04,082 INFO L226 Difference]: Without dead ends: 97 [2019-09-10 02:50:04,082 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:04,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-09-10 02:50:04,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-09-10 02:50:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-09-10 02:50:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2019-09-10 02:50:04,097 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2019-09-10 02:50:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:04,100 INFO L475 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2019-09-10 02:50:04,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:50:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2019-09-10 02:50:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 02:50:04,104 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:04,105 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:04,105 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:04,107 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2019-09-10 02:50:04,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:04,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:04,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:04,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:04,109 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:04,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:04,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:04,298 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:04,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:04,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:04,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:04,300 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2019-09-10 02:50:04,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:04,867 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2019-09-10 02:50:04,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:04,867 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-09-10 02:50:04,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:04,874 INFO L225 Difference]: With dead ends: 223 [2019-09-10 02:50:04,878 INFO L226 Difference]: Without dead ends: 223 [2019-09-10 02:50:04,878 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:50:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-09-10 02:50:04,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2019-09-10 02:50:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-09-10 02:50:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2019-09-10 02:50:04,924 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2019-09-10 02:50:04,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:04,925 INFO L475 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2019-09-10 02:50:04,927 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2019-09-10 02:50:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-10 02:50:04,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:04,930 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:04,930 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:04,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:04,936 INFO L82 PathProgramCache]: Analyzing trace with hash 610985760, now seen corresponding path program 1 times [2019-09-10 02:50:04,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:04,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:04,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:04,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:04,937 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:05,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:05,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:05,042 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:05,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:05,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:05,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:05,043 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2019-09-10 02:50:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:05,059 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-09-10 02:50:05,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:05,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-10 02:50:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:05,062 INFO L225 Difference]: With dead ends: 161 [2019-09-10 02:50:05,062 INFO L226 Difference]: Without dead ends: 161 [2019-09-10 02:50:05,067 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-09-10 02:50:05,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-09-10 02:50:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-10 02:50:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-09-10 02:50:05,085 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2019-09-10 02:50:05,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:05,085 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-09-10 02:50:05,086 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-09-10 02:50:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 02:50:05,090 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:05,090 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:50:05,090 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:05,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:05,091 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2019-09-10 02:50:05,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:05,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:05,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:05,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:05,093 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:50:05,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:05,233 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:05,234 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2019-09-10 02:50:05,236 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [102], [118], [133], [136], [137], [146], [150], [154], [157], [162], [168], [170], [176], [179], [209], [210], [218], [222], [228], [266], [270], [271], [274], [275], [278], [279], [372], [373], [383], [391], [392], [393], [394], [395], [397], [398], [399], [400], [401], [402], [403], [404], [405], [443], [444], [445], [446], [451], [452], [461], [462], [463], [464], [471], [479], [480], [481] [2019-09-10 02:50:05,277 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:05,279 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:05,346 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:05,348 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-10 02:50:05,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:05,354 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:05,399 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:05,399 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:05,404 INFO L420 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-09-10 02:50:05,404 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:05,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:05,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:50:05,405 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:05,406 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:05,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:05,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:05,406 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-09-10 02:50:05,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:05,407 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:05,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:05,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-09-10 02:50:05,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:05,407 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:05,407 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:05,408 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:05,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:05,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:05,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-09-10 02:50:05,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:05,409 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:05,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:05,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:05,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:05 BoogieIcfgContainer [2019-09-10 02:50:05,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:05,419 INFO L168 Benchmark]: Toolchain (without parser) took 4634.71 ms. Allocated memory was 133.7 MB in the beginning and 258.5 MB in the end (delta: 124.8 MB). Free memory was 88.8 MB in the beginning and 116.3 MB in the end (delta: -27.5 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,420 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.21 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 88.6 MB in the beginning and 168.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,422 INFO L168 Benchmark]: Boogie Preprocessor took 86.70 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 163.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,423 INFO L168 Benchmark]: RCFGBuilder took 1121.11 ms. Allocated memory is still 201.9 MB. Free memory was 163.7 MB in the beginning and 82.2 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,424 INFO L168 Benchmark]: TraceAbstraction took 2760.21 ms. Allocated memory was 201.9 MB in the beginning and 258.5 MB in the end (delta: 56.6 MB). Free memory was 81.8 MB in the beginning and 116.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:05,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.21 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 88.6 MB in the beginning and 168.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.70 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 163.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.11 ms. Allocated memory is still 201.9 MB. Free memory was 163.7 MB in the beginning and 82.2 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2760.21 ms. Allocated memory was 201.9 MB in the beginning and 258.5 MB in the end (delta: 56.6 MB). Free memory was 81.8 MB in the beginning and 116.3 MB in the end (delta: -34.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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 37 procedures, 215 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 559 SDtfs, 307 SDslu, 1119 SDs, 0 SdLazy, 372 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, 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, 0.9696969696969697 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 49717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...