/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:01:16,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:01:16,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:01:16,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:01:16,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:01:16,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:01:16,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:01:16,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:01:16,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:01:16,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:01:16,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:01:16,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:01:16,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:01:16,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:01:16,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:01:16,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:01:16,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:01:16,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:01:16,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:01:16,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:01:16,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:01:16,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:01:16,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:01:16,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:01:16,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:01:16,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:01:16,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:01:16,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:01:16,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:01:16,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:01:16,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:01:16,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:01:16,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:01:16,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:01:16,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:01:16,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:01:16,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:01:16,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:01:16,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:01:16,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:01:16,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:01:16,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:01:16,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:01:16,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:01:16,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:01:16,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:01:16,761 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:01:16,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:01:16,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:01:16,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:01:16,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:01:16,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:01:16,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:01:16,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:01:16,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:01:16,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:01:16,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:01:16,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:01:16,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:01:16,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:01:16,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:01:16,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:01:16,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:01:16,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:01:16,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:01:16,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:01:16,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:01:17,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:01:17,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:01:17,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:01:17,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:01:17,051 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:01:17,054 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-07-19 21:01:17,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fc98155a/6c635a0288fc49a0889300a8c9ae1cb3/FLAG6677b4ffe [2020-07-19 21:01:17,676 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:01:17,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-07-19 21:01:17,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fc98155a/6c635a0288fc49a0889300a8c9ae1cb3/FLAG6677b4ffe [2020-07-19 21:01:17,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fc98155a/6c635a0288fc49a0889300a8c9ae1cb3 [2020-07-19 21:01:17,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:01:17,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:01:17,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:01:17,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:01:17,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:01:17,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:17" (1/1) ... [2020-07-19 21:01:17,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583a59fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:17, skipping insertion in model container [2020-07-19 21:01:18,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:01:17" (1/1) ... [2020-07-19 21:01:18,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:01:18,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:01:18,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:01:18,384 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:01:18,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:01:18,610 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:01:18,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18 WrapperNode [2020-07-19 21:01:18,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:01:18,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:01:18,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:01:18,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:01:18,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... [2020-07-19 21:01:18,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:01:18,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:01:18,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:01:18,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:01:18,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:01:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:01:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:01:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:01:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:01:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:01:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:01:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:01:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:01:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:01:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:01:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:01:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:01:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:01:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:01:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:01:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:01:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:01:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:01:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:01:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:01:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:01:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:01:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:01:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:01:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:01:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:01:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:01:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:01:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:01:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:01:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:01:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:01:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:01:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:01:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:01:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:01:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:01:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:01:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:01:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:01:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:01:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:01:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:01:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:01:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:01:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:01:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:01:19,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:01:19,740 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:01:19,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:19 BoogieIcfgContainer [2020-07-19 21:01:19,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:01:19,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:01:19,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:01:19,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:01:19,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:01:17" (1/3) ... [2020-07-19 21:01:19,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edbc049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:19, skipping insertion in model container [2020-07-19 21:01:19,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:01:18" (2/3) ... [2020-07-19 21:01:19,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edbc049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:01:19, skipping insertion in model container [2020-07-19 21:01:19,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:01:19" (3/3) ... [2020-07-19 21:01:19,753 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-07-19 21:01:19,763 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:01:19,771 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:01:19,785 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:01:19,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:01:19,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:01:19,811 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:01:19,811 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:01:19,811 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:01:19,812 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:01:19,812 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:01:19,812 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:01:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-07-19 21:01:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 21:01:19,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:19,849 INFO L422 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] [2020-07-19 21:01:19,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:19,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:19,854 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2020-07-19 21:01:19,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:19,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924584669] [2020-07-19 21:01:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,464 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:20,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924584669] [2020-07-19 21:01:20,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:20,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:01:20,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684646574] [2020-07-19 21:01:20,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:01:20,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:20,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:01:20,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:01:20,568 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2020-07-19 21:01:21,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:21,620 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-07-19 21:01:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:01:21,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 21:01:21,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:21,640 INFO L225 Difference]: With dead ends: 266 [2020-07-19 21:01:21,641 INFO L226 Difference]: Without dead ends: 145 [2020-07-19 21:01:21,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:01:21,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-07-19 21:01:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-07-19 21:01:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-19 21:01:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-07-19 21:01:21,763 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-07-19 21:01:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:21,764 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-07-19 21:01:21,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:01:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-07-19 21:01:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 21:01:21,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:21,772 INFO L422 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] [2020-07-19 21:01:21,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:01:21,776 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:21,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2020-07-19 21:01:21,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:21,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256503343] [2020-07-19 21:01:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,158 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:22,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256503343] [2020-07-19 21:01:22,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:22,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:01:22,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933434495] [2020-07-19 21:01:22,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:01:22,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:22,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:01:22,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:01:22,249 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-07-19 21:01:22,692 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:23,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:23,353 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-07-19 21:01:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:01:23,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 21:01:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:23,357 INFO L225 Difference]: With dead ends: 189 [2020-07-19 21:01:23,357 INFO L226 Difference]: Without dead ends: 129 [2020-07-19 21:01:23,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:01:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-19 21:01:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-07-19 21:01:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-19 21:01:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-07-19 21:01:23,397 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-07-19 21:01:23,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:23,398 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-07-19 21:01:23,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:01:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-07-19 21:01:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 21:01:23,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:23,401 INFO L422 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] [2020-07-19 21:01:23,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:01:23,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:23,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2020-07-19 21:01:23,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:23,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927335221] [2020-07-19 21:01:23,402 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,730 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:23,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927335221] [2020-07-19 21:01:23,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:23,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:01:23,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014648191] [2020-07-19 21:01:23,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:01:23,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:23,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:01:23,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:01:23,815 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2020-07-19 21:01:24,209 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:24,505 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:24,747 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:24,992 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:25,673 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:27,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:27,031 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2020-07-19 21:01:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:01:27,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 21:01:27,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:27,036 INFO L225 Difference]: With dead ends: 360 [2020-07-19 21:01:27,036 INFO L226 Difference]: Without dead ends: 281 [2020-07-19 21:01:27,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:01:27,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-19 21:01:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2020-07-19 21:01:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-19 21:01:27,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2020-07-19 21:01:27,110 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2020-07-19 21:01:27,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:27,110 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2020-07-19 21:01:27,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:01:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2020-07-19 21:01:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 21:01:27,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:27,116 INFO L422 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] [2020-07-19 21:01:27,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:01:27,117 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:27,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2020-07-19 21:01:27,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:27,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668766993] [2020-07-19 21:01:27,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,490 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:27,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668766993] [2020-07-19 21:01:27,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:27,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:01:27,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068207115] [2020-07-19 21:01:27,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:01:27,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:27,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:01:27,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:01:27,599 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2020-07-19 21:01:28,069 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:28,416 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:28,656 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:28,887 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:29,429 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:30,271 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:30,618 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:30,950 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:31,209 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:01:31,462 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:31,783 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:32,133 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:32,401 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:33,666 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2020-07-19 21:01:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 21:01:33,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-19 21:01:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:33,676 INFO L225 Difference]: With dead ends: 875 [2020-07-19 21:01:33,676 INFO L226 Difference]: Without dead ends: 679 [2020-07-19 21:01:33,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 21:01:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-07-19 21:01:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2020-07-19 21:01:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-07-19 21:01:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2020-07-19 21:01:33,833 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2020-07-19 21:01:33,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:33,834 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2020-07-19 21:01:33,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:01:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2020-07-19 21:01:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 21:01:33,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:33,838 INFO L422 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] [2020-07-19 21:01:33,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:01:33,839 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:33,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2020-07-19 21:01:33,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:33,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963915242] [2020-07-19 21:01:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,132 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:01:34,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963915242] [2020-07-19 21:01:34,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:01:34,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:01:34,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636476450] [2020-07-19 21:01:34,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 21:01:34,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:34,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 21:01:34,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:01:34,242 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2020-07-19 21:01:34,539 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:35,302 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2020-07-19 21:01:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:01:35,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-19 21:01:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:35,307 INFO L225 Difference]: With dead ends: 1027 [2020-07-19 21:01:35,307 INFO L226 Difference]: Without dead ends: 469 [2020-07-19 21:01:35,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:01:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-19 21:01:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-07-19 21:01:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-19 21:01:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-07-19 21:01:35,383 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-07-19 21:01:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:35,384 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-07-19 21:01:35,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 21:01:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-07-19 21:01:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 21:01:35,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:01:35,387 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:01:35,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:01:35,388 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:01:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:01:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2020-07-19 21:01:35,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:01:35,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429870052] [2020-07-19 21:01:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 [2020-07-19 21:01:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,664 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 21:01:35,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429870052] [2020-07-19 21:01:35,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065157693] [2020-07-19 21:01:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@528e1828 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:01:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:01:36,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 21:01:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:01:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:01:36,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:01:36,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 21:01:36,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540081086] [2020-07-19 21:01:36,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:01:36,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:01:36,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:01:36,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:01:36,143 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 12 states. [2020-07-19 21:01:36,893 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 21:01:37,508 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:38,447 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-07-19 21:01:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:01:38,448 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-19 21:01:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:38,449 INFO L225 Difference]: With dead ends: 565 [2020-07-19 21:01:38,449 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:01:38,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:01:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:01:38,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:01:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:01:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:01:38,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-19 21:01:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:38,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:01:38,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:01:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:01:38,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:01:38,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 21:01:38,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:01:39,005 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 222 [2020-07-19 21:01:39,962 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 226 [2020-07-19 21:01:40,081 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 226 [2020-07-19 21:01:42,740 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:01:42,871 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-19 21:01:43,254 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:43,723 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 21:01:43,858 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:01:44,059 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-19 21:01:44,174 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-19 21:01:44,538 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:44,901 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:45,342 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 21:01:45,543 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:46,214 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-19 21:01:46,361 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:01:46,954 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:01:47,636 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 21:01:47,897 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:01:48,507 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 21:01:49,050 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-19 21:01:49,205 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:01:49,639 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:49,835 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-19 21:01:50,218 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:50,601 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:01:51,083 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:01:51,446 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:01:52,110 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point L362(lines 339 363) no Hoare annotation was computed. [2020-07-19 21:01:52,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L403(lines 403 407) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-19 21:01:52,116 INFO L268 CegarLoopResult]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L268 CegarLoopResult]: For program point L423(lines 396 424) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2020-07-19 21:01:52,117 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2020-07-19 21:01:52,117 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2020-07-19 21:01:52,117 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point L641-1(line 641) no Hoare annotation was computed. [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-07-19 21:01:52,118 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2020-07-19 21:01:52,118 INFO L271 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: true [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2020-07-19 21:01:52,118 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:01:52,118 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-07-19 21:01:52,119 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,119 INFO L264 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:01:52,119 INFO L264 CegarLoopResult]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:01:52,119 INFO L268 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2020-07-19 21:01:52,119 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2020-07-19 21:01:52,119 INFO L268 CegarLoopResult]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2020-07-19 21:01:52,120 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-07-19 21:01:52,120 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,120 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,120 INFO L264 CegarLoopResult]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,120 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2020-07-19 21:01:52,120 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-07-19 21:01:52,121 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-07-19 21:01:52,122 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 21:01:52,123 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-07-19 21:01:52,123 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,123 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-07-19 21:01:52,123 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:01:52,123 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-07-19 21:01:52,123 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-19 21:01:52,124 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2020-07-19 21:01:52,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2020-07-19 21:01:52,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2020-07-19 21:01:52,127 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,127 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2020-07-19 21:01:52,127 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2020-07-19 21:01:52,127 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-07-19 21:01:52,127 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-07-19 21:01:52,127 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-07-19 21:01:52,127 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-07-19 21:01:52,127 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-19 21:01:52,128 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-07-19 21:01:52,128 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-07-19 21:01:52,128 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-07-19 21:01:52,128 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-07-19 21:01:52,128 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,128 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-19 21:01:52,128 INFO L268 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2020-07-19 21:01:52,129 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2020-07-19 21:01:52,129 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,129 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,129 INFO L268 CegarLoopResult]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2020-07-19 21:01:52,129 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,129 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:01:52,130 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2020-07-19 21:01:52,130 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2020-07-19 21:01:52,130 INFO L268 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-07-19 21:01:52,130 INFO L264 CegarLoopResult]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:01:52,130 INFO L264 CegarLoopResult]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:01:52,130 INFO L268 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2020-07-19 21:01:52,130 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L264 CegarLoopResult]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:01:52,131 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2020-07-19 21:01:52,131 INFO L268 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L264 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:01:52,132 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point L556(lines 556 563) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point L550(lines 550 570) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:01:52,132 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point L479(lines 479 520) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-19 21:01:52,133 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L521(lines 521 532) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L503(lines 481 504) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L462(lines 462 478) no Hoare annotation was computed. [2020-07-19 21:01:52,134 INFO L268 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-07-19 21:01:52,135 INFO L268 CegarLoopResult]: For program point L483(lines 482 502) no Hoare annotation was computed. [2020-07-19 21:01:52,135 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:01:52,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,135 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 21:01:52,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-07-19 21:01:52,136 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-19 21:01:52,136 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-19 21:01:52,137 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-19 21:01:52,138 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 21:01:52,138 INFO L268 CegarLoopResult]: For program point L668(lines 667 686) no Hoare annotation was computed. [2020-07-19 21:01:52,138 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:01:52,138 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2020-07-19 21:01:52,138 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2020-07-19 21:01:52,138 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 21:01:52,138 INFO L264 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:01:52,139 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2020-07-19 21:01:52,139 INFO L271 CegarLoopResult]: At program point L191(lines 166 195) the Hoare annotation is: true [2020-07-19 21:01:52,139 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2020-07-19 21:01:52,139 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 21:01:52,139 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:01:52,139 INFO L271 CegarLoopResult]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2020-07-19 21:01:52,139 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-19 21:01:52,139 INFO L271 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2020-07-19 21:01:52,140 INFO L271 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: true [2020-07-19 21:01:52,140 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-19 21:01:52,140 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-19 21:01:52,140 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-19 21:01:52,140 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-19 21:01:52,140 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2020-07-19 21:01:52,140 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2020-07-19 21:01:52,140 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,140 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:01:52,141 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:01:52,141 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:52,141 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-19 21:01:52,141 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-19 21:01:52,141 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-19 21:01:52,141 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-19 21:01:52,141 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-19 21:01:52,142 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:01:52,142 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2020-07-19 21:01:52,142 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-19 21:01:52,142 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2020-07-19 21:01:52,142 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2020-07-19 21:01:52,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:01:52 BoogieIcfgContainer [2020-07-19 21:01:52,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:01:52,161 INFO L168 Benchmark]: Toolchain (without parser) took 34171.96 ms. Allocated memory was 146.3 MB in the beginning and 667.4 MB in the end (delta: 521.1 MB). Free memory was 102.9 MB in the beginning and 184.6 MB in the end (delta: -81.7 MB). Peak memory consumption was 515.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,162 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.33 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 175.6 MB in the end (delta: -73.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,163 INFO L168 Benchmark]: Boogie Preprocessor took 82.79 ms. Allocated memory is still 204.5 MB. Free memory was 175.6 MB in the beginning and 170.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,164 INFO L168 Benchmark]: RCFGBuilder took 1050.60 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 170.3 MB in the beginning and 203.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,164 INFO L168 Benchmark]: TraceAbstraction took 32412.97 ms. Allocated memory was 238.0 MB in the beginning and 667.4 MB in the end (delta: 429.4 MB). Free memory was 201.7 MB in the beginning and 184.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 522.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:52,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.33 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 175.6 MB in the end (delta: -73.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.79 ms. Allocated memory is still 204.5 MB. Free memory was 175.6 MB in the beginning and 170.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.60 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 170.3 MB in the beginning and 203.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32412.97 ms. Allocated memory was 238.0 MB in the beginning and 667.4 MB in the end (delta: 429.4 MB). Free memory was 201.7 MB in the beginning and 184.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 522.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 1303 SDslu, 590 SDs, 0 SdLazy, 2875 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173900 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 21872 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 123670 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...