java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:28,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:28,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:28,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:28,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:28,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:28,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:28,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:28,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:28,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:28,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:28,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:28,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:28,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:28,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:28,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:28,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:28,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:28,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:28,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:28,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:28,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:28,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:28,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:28,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:28,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:28,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:28,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:28,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:28,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:28,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:28,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:28,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:28,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:28,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:28,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:28,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:28,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:28,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:28,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:28,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:28,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:04:28,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:28,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:28,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:28,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:28,699 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:28,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:28,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:28,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:28,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:28,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:28,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:28,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:28,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:28,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:28,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:28,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:28,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:28,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:28,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:28,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:28,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:28,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:28,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:28,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:28,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:28,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:28,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:28,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:28,748 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:28,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2019-09-20 13:04:28,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed4532a9/6b51962c9c9a43e197ff15f29b0a534c/FLAG48df01187 [2019-09-20 13:04:29,361 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:29,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2019-09-20 13:04:29,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed4532a9/6b51962c9c9a43e197ff15f29b0a534c/FLAG48df01187 [2019-09-20 13:04:29,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed4532a9/6b51962c9c9a43e197ff15f29b0a534c [2019-09-20 13:04:29,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:29,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:29,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:29,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:29,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:29,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:29" (1/1) ... [2019-09-20 13:04:29,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:29, skipping insertion in model container [2019-09-20 13:04:29,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:29" (1/1) ... [2019-09-20 13:04:29,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:29,749 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:30,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:30,230 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:30,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:30,383 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30 WrapperNode [2019-09-20 13:04:30,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:30,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:30,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:30,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:30,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (1/1) ... [2019-09-20 13:04:30,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:30,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:30,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:30,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:30,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (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 13:04:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:04:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:04:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:04:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:04:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:04:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:31,778 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:31,779 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:31,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:31 BoogieIcfgContainer [2019-09-20 13:04:31,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:31,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:31,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:31,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:31,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:29" (1/3) ... [2019-09-20 13:04:31,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5473937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:31, skipping insertion in model container [2019-09-20 13:04:31,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:30" (2/3) ... [2019-09-20 13:04:31,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5473937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:31, skipping insertion in model container [2019-09-20 13:04:31,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:31" (3/3) ... [2019-09-20 13:04:31,792 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2019-09-20 13:04:31,803 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:31,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:31,832 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:31,874 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:31,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:31,875 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:31,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:31,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:31,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:31,876 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:31,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:31,876 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-09-20 13:04:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:31,909 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,910 INFO L407 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] [2019-09-20 13:04:31,913 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,919 INFO L82 PathProgramCache]: Analyzing trace with hash -381422991, now seen corresponding path program 1 times [2019-09-20 13:04:31,921 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:32,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:32,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:32,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:32,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:32,368 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-09-20 13:04:32,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,406 INFO L93 Difference]: Finished difference Result 176 states and 221 transitions. [2019-09-20 13:04:32,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:32,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:04:32,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,419 INFO L225 Difference]: With dead ends: 176 [2019-09-20 13:04:32,419 INFO L226 Difference]: Without dead ends: 90 [2019-09-20 13:04:32,423 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 13:04:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-20 13:04:32,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-20 13:04:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-20 13:04:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-20 13:04:32,474 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2019-09-20 13:04:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,475 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-20 13:04:32,475 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-20 13:04:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:04:32,479 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,480 INFO L407 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] [2019-09-20 13:04:32,480 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1660884333, now seen corresponding path program 1 times [2019-09-20 13:04:32,482 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:32,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:32,666 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:32,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:32,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:32,668 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-20 13:04:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,688 INFO L93 Difference]: Finished difference Result 121 states and 139 transitions. [2019-09-20 13:04:32,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:32,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:04:32,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,691 INFO L225 Difference]: With dead ends: 121 [2019-09-20 13:04:32,691 INFO L226 Difference]: Without dead ends: 81 [2019-09-20 13:04:32,693 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 13:04:32,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-20 13:04:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-20 13:04:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-20 13:04:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-09-20 13:04:32,704 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2019-09-20 13:04:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,705 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-09-20 13:04:32,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-09-20 13:04:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:04:32,707 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,707 INFO L407 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] [2019-09-20 13:04:32,708 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,708 INFO L82 PathProgramCache]: Analyzing trace with hash -562457481, now seen corresponding path program 1 times [2019-09-20 13:04:32,708 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:32,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:32,929 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:32,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:32,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:32,930 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 7 states. [2019-09-20 13:04:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,231 INFO L93 Difference]: Finished difference Result 134 states and 157 transitions. [2019-09-20 13:04:33,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:33,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-20 13:04:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,233 INFO L225 Difference]: With dead ends: 134 [2019-09-20 13:04:33,233 INFO L226 Difference]: Without dead ends: 81 [2019-09-20 13:04:33,235 INFO L636 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 [2019-09-20 13:04:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-20 13:04:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-20 13:04:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-20 13:04:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2019-09-20 13:04:33,246 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2019-09-20 13:04:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,246 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2019-09-20 13:04:33,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2019-09-20 13:04:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:04:33,248 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,248 INFO L407 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] [2019-09-20 13:04:33,248 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,249 INFO L82 PathProgramCache]: Analyzing trace with hash -423646974, now seen corresponding path program 1 times [2019-09-20 13:04:33,249 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:33,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:33,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:33,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:33,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:33,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:33,403 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 6 states. [2019-09-20 13:04:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,570 INFO L93 Difference]: Finished difference Result 179 states and 212 transitions. [2019-09-20 13:04:33,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:33,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-09-20 13:04:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,576 INFO L225 Difference]: With dead ends: 179 [2019-09-20 13:04:33,576 INFO L226 Difference]: Without dead ends: 126 [2019-09-20 13:04:33,577 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-09-20 13:04:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-09-20 13:04:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-20 13:04:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2019-09-20 13:04:33,631 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 60 [2019-09-20 13:04:33,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,632 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2019-09-20 13:04:33,632 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2019-09-20 13:04:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:04:33,634 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,634 INFO L407 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] [2019-09-20 13:04:33,634 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,635 INFO L82 PathProgramCache]: Analyzing trace with hash -971040994, now seen corresponding path program 1 times [2019-09-20 13:04:33,635 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:33,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:33,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:33,723 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:33,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:33,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:33,724 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 6 states. [2019-09-20 13:04:33,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,873 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2019-09-20 13:04:33,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:33,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-09-20 13:04:33,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,874 INFO L225 Difference]: With dead ends: 210 [2019-09-20 13:04:33,874 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:33,876 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:33,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:33,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-09-20 13:04:33,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,878 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:33,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:33,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:33,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:34,462 INFO L443 ceAbstractionStarter]: For program point L288(lines 288 292) no Hoare annotation was computed. [2019-09-20 13:04:34,462 INFO L443 ceAbstractionStarter]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point L283(line 283) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point L282-2(lines 282 303) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 257 312) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point L304(lines 281 305) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 257 312) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 257 312) no Hoare annotation was computed. [2019-09-20 13:04:34,463 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 313 372) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point L339-2(lines 339 364) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 313 372) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point L365(lines 338 366) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 313 372) no Hoare annotation was computed. [2019-09-20 13:04:34,464 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-09-20 13:04:34,465 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-09-20 13:04:34,465 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:04:34,465 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:04:34,465 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:04:34,465 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:04:34,465 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:04:34,466 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,466 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2019-09-20 13:04:34,467 INFO L439 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,467 INFO L439 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,467 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-09-20 13:04:34,467 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2019-09-20 13:04:34,467 INFO L443 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2019-09-20 13:04:34,468 INFO L439 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,468 INFO L439 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,468 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2019-09-20 13:04:34,468 INFO L439 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,468 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-09-20 13:04:34,469 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 604 627) no Hoare annotation was computed. [2019-09-20 13:04:34,469 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 604 627) no Hoare annotation was computed. [2019-09-20 13:04:34,469 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 604 627) no Hoare annotation was computed. [2019-09-20 13:04:34,469 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-09-20 13:04:34,469 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-09-20 13:04:34,470 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-09-20 13:04:34,471 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-09-20 13:04:34,471 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point L610(line 610) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-09-20 13:04:34,472 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2019-09-20 13:04:34,473 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 211 256) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 211 256) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 211 256) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 551) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 558) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 524 569) no Hoare annotation was computed. [2019-09-20 13:04:34,474 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 538 558) no Hoare annotation was computed. [2019-09-20 13:04:34,475 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 524 569) no Hoare annotation was computed. [2019-09-20 13:04:34,475 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 524 569) no Hoare annotation was computed. [2019-09-20 13:04:34,475 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,475 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 636 646) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,475 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 636 646) no Hoare annotation was computed. [2019-09-20 13:04:34,475 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 636 646) no Hoare annotation was computed. [2019-09-20 13:04:34,475 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 724 734) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point L729(line 729) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 716 723) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2019-09-20 13:04:34,476 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2019-09-20 13:04:34,477 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 701 707) no Hoare annotation was computed. [2019-09-20 13:04:34,477 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 701 707) the Hoare annotation is: true [2019-09-20 13:04:34,477 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2019-09-20 13:04:34,477 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 789 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,477 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 789 854) no Hoare annotation was computed. [2019-09-20 13:04:34,477 INFO L439 ceAbstractionStarter]: At program point L847(lines 798 848) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,478 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 841) no Hoare annotation was computed. [2019-09-20 13:04:34,478 INFO L439 ceAbstractionStarter]: At program point L837-2(lines 829 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-09-20 13:04:34,478 INFO L443 ceAbstractionStarter]: For program point L800(lines 799 846) no Hoare annotation was computed. [2019-09-20 13:04:34,478 INFO L439 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-09-20 13:04:34,478 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 842) no Hoare annotation was computed. [2019-09-20 13:04:34,478 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-09-20 13:04:34,479 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 825) no Hoare annotation was computed. [2019-09-20 13:04:34,479 INFO L443 ceAbstractionStarter]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2019-09-20 13:04:34,479 INFO L439 ceAbstractionStarter]: At program point L844(lines 799 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-09-20 13:04:34,480 INFO L439 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-09-20 13:04:34,483 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-09-20 13:04:34,483 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2019-09-20 13:04:34,484 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 789 854) no Hoare annotation was computed. [2019-09-20 13:04:34,484 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 478 523) no Hoare annotation was computed. [2019-09-20 13:04:34,486 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 478 523) no Hoare annotation was computed. [2019-09-20 13:04:34,486 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-09-20 13:04:34,486 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 478 523) no Hoare annotation was computed. [2019-09-20 13:04:34,487 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 512) no Hoare annotation was computed. [2019-09-20 13:04:34,487 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 492 512) no Hoare annotation was computed. [2019-09-20 13:04:34,487 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:04:34,487 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-09-20 13:04:34,487 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 197) no Hoare annotation was computed. [2019-09-20 13:04:34,487 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:34,487 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 200) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 175 203) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L446 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 175 203) the Hoare annotation is: true [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 175 203) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 147) no Hoare annotation was computed. [2019-09-20 13:04:34,488 INFO L443 ceAbstractionStarter]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 167 174) the Hoare annotation is: true [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 167 174) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:34,489 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 375 477) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 403) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 474) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 430) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point L424-2(lines 424 444) no Hoare annotation was computed. [2019-09-20 13:04:34,490 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 375 477) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L445(lines 423 446) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 420) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 375 477) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 471) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L425(lines 424 444) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2019-09-20 13:04:34,491 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 462) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 708 715) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 708 715) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 708 715) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2019-09-20 13:04:34,492 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:34,493 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,493 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2019-09-20 13:04:34,494 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2019-09-20 13:04:34,494 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-09-20 13:04:34,494 INFO L446 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: true [2019-09-20 13:04:34,494 INFO L446 ceAbstractionStarter]: At program point L688(lines 688 694) the Hoare annotation is: true [2019-09-20 13:04:34,494 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 677 700) the Hoare annotation is: true [2019-09-20 13:04:34,494 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:04:34,494 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 677 700) no Hoare annotation was computed. [2019-09-20 13:04:34,494 INFO L443 ceAbstractionStarter]: For program point L681(lines 680 699) no Hoare annotation was computed. [2019-09-20 13:04:34,495 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 677 700) no Hoare annotation was computed. [2019-09-20 13:04:34,495 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 573 602) no Hoare annotation was computed. [2019-09-20 13:04:34,495 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 573 602) the Hoare annotation is: true [2019-09-20 13:04:34,495 INFO L446 ceAbstractionStarter]: At program point L598(lines 573 602) the Hoare annotation is: true [2019-09-20 13:04:34,495 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-09-20 13:04:34,495 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-09-20 13:04:34,495 INFO L446 ceAbstractionStarter]: At program point L587-1(lines 587 591) the Hoare annotation is: true [2019-09-20 13:04:34,496 INFO L443 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2019-09-20 13:04:34,496 INFO L446 ceAbstractionStarter]: At program point L583-2(lines 583 597) the Hoare annotation is: true [2019-09-20 13:04:34,496 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-09-20 13:04:34,496 INFO L443 ceAbstractionStarter]: For program point L579-1(line 579) no Hoare annotation was computed. [2019-09-20 13:04:34,496 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-09-20 13:04:34,496 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-09-20 13:04:34,497 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2019-09-20 13:04:34,497 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 628 634) no Hoare annotation was computed. [2019-09-20 13:04:34,497 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 628 634) the Hoare annotation is: true [2019-09-20 13:04:34,497 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,497 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:34,497 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:34,497 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:34,497 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:04:34,498 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-09-20 13:04:34,498 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:04:34,498 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-09-20 13:04:34,498 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2019-09-20 13:04:34,498 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-09-20 13:04:34,498 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2019-09-20 13:04:34,498 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-09-20 13:04:34,499 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2019-09-20 13:04:34,499 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2019-09-20 13:04:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:34 BoogieIcfgContainer [2019-09-20 13:04:34,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:34,520 INFO L168 Benchmark]: Toolchain (without parser) took 4850.16 ms. Allocated memory was 129.0 MB in the beginning and 280.5 MB in the end (delta: 151.5 MB). Free memory was 83.3 MB in the beginning and 111.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 123.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,521 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.99 ms. Allocated memory was 129.0 MB in the beginning and 196.1 MB in the end (delta: 67.1 MB). Free memory was 83.1 MB in the beginning and 161.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,524 INFO L168 Benchmark]: Boogie Preprocessor took 81.27 ms. Allocated memory is still 196.1 MB. Free memory was 161.7 MB in the beginning and 157.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,526 INFO L168 Benchmark]: RCFGBuilder took 1315.51 ms. Allocated memory is still 196.1 MB. Free memory was 157.7 MB in the beginning and 75.8 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,528 INFO L168 Benchmark]: TraceAbstraction took 2733.87 ms. Allocated memory was 196.1 MB in the beginning and 280.5 MB in the end (delta: 84.4 MB). Free memory was 75.1 MB in the beginning and 111.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:34,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.99 ms. Allocated memory was 129.0 MB in the beginning and 196.1 MB in the end (delta: 67.1 MB). Free memory was 83.1 MB in the beginning and 161.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.27 ms. Allocated memory is still 196.1 MB. Free memory was 161.7 MB in the beginning and 157.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1315.51 ms. Allocated memory is still 196.1 MB. Free memory was 157.7 MB in the beginning and 75.8 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2733.87 ms. Allocated memory was 196.1 MB in the beginning and 280.5 MB in the end (delta: 84.4 MB). Free memory was 75.1 MB in the beginning and 111.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 203 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 468 SDtfs, 184 SDslu, 776 SDs, 0 SdLazy, 181 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 391 HoareAnnotationTreeSize, 163 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 576 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 28779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...