/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:45:02,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:45:02,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:45:02,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:45:02,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:45:02,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:45:02,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:45:02,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:45:02,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:45:02,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:45:02,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:45:02,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:45:02,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:45:02,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:45:02,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:45:02,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:45:02,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:45:02,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:45:02,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:45:02,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:45:02,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:45:02,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:45:02,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:45:02,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:45:02,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:45:02,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:45:02,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:45:02,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:45:02,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:45:02,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:45:02,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:45:02,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:45:02,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:45:02,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:45:02,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:45:02,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:45:02,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:45:02,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:45:02,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:45:02,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:45:02,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:45:02,810 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 [2020-07-07 10:45:02,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:45:02,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:45:02,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:45:02,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:45:02,849 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:45:02,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:45:02,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:45:02,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:45:02,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:45:02,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:45:02,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:45:02,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:45:02,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:45:02,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:45:02,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:45:02,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:45:02,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:02,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:45:02,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:45:02,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:45:02,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:45:02,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:45:02,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:45:02,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:45:02,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:45:03,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:45:03,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:45:03,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:45:03,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:45:03,188 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:45:03,189 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-07-07 10:45:03,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8dde574/c22a042861b24c579a978650aff9d824/FLAGbca65e42d [2020-07-07 10:45:03,871 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:45:03,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-07-07 10:45:03,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8dde574/c22a042861b24c579a978650aff9d824/FLAGbca65e42d [2020-07-07 10:45:04,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8dde574/c22a042861b24c579a978650aff9d824 [2020-07-07 10:45:04,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:45:04,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:45:04,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:04,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:45:04,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:45:04,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:04,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d33522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04, skipping insertion in model container [2020-07-07 10:45:04,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:04,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:45:04,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:45:04,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:04,803 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:45:04,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:04,966 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:45:04,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04 WrapperNode [2020-07-07 10:45:04,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:04,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:45:04,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:45:04,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:45:04,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:04,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:04,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:04,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:05,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:05,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:05,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (1/1) ... [2020-07-07 10:45:05,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:45:05,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:45:05,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:45:05,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:45:05,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (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 [2020-07-07 10:45:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:45:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:45:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:45:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:45:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:45:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:45:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:45:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:45:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:45:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:45:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:45:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:45:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:45:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:45:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:45:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:45:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:45:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:45:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:45:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:45:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:45:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:45:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:45:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:45:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:45:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:45:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:45:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:45:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:45:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:45:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:45:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:45:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:45:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:45:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:45:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:45:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:45:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:45:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:45:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:45:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:45:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:45:06,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:45:06,331 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:45:06,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:06 BoogieIcfgContainer [2020-07-07 10:45:06,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:45:06,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:45:06,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:45:06,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:45:06,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:45:04" (1/3) ... [2020-07-07 10:45:06,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3773bc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:06, skipping insertion in model container [2020-07-07 10:45:06,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:04" (2/3) ... [2020-07-07 10:45:06,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3773bc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:06, skipping insertion in model container [2020-07-07 10:45:06,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:06" (3/3) ... [2020-07-07 10:45:06,349 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-07-07 10:45:06,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:45:06,371 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:45:06,392 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:45:06,421 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:45:06,421 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:45:06,422 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:45:06,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:45:06,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:45:06,422 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:45:06,422 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:45:06,422 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:45:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-07-07 10:45:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:45:06,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:06,455 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] [2020-07-07 10:45:06,455 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:06,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:06,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2020-07-07 10:45:06,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:06,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956301195] [2020-07-07 10:45:06,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,102 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:07,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956301195] [2020-07-07 10:45:07,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:07,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:45:07,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332514649] [2020-07-07 10:45:07,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:45:07,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:07,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:45:07,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:07,228 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-07-07 10:45:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:08,177 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-07-07 10:45:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:45:08,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:45:08,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:08,192 INFO L225 Difference]: With dead ends: 219 [2020-07-07 10:45:08,193 INFO L226 Difference]: Without dead ends: 120 [2020-07-07 10:45:08,197 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 [2020-07-07 10:45:08,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-07 10:45:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-07-07 10:45:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-07 10:45:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-07 10:45:08,281 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-07-07 10:45:08,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:08,281 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-07 10:45:08,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:45:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-07 10:45:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:45:08,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:08,285 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] [2020-07-07 10:45:08,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:45:08,286 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:08,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:08,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2020-07-07 10:45:08,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:08,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899301533] [2020-07-07 10:45:08,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,632 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:08,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899301533] [2020-07-07 10:45:08,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:08,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:45:08,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422488522] [2020-07-07 10:45:08,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:45:08,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:08,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:45:08,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:45:08,715 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-07-07 10:45:09,140 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:09,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:09,591 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-07-07 10:45:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:45:09,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:45:09,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:09,595 INFO L225 Difference]: With dead ends: 143 [2020-07-07 10:45:09,595 INFO L226 Difference]: Without dead ends: 104 [2020-07-07 10:45:09,596 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 [2020-07-07 10:45:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-07 10:45:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-07-07 10:45:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-07 10:45:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-07-07 10:45:09,627 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-07-07 10:45:09,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:09,628 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-07-07 10:45:09,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:45:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-07-07 10:45:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:45:09,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:09,630 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] [2020-07-07 10:45:09,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:45:09,631 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:09,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:09,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2020-07-07 10:45:09,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:09,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620182068] [2020-07-07 10:45:09,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,002 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:10,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620182068] [2020-07-07 10:45:10,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:10,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:10,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98253529] [2020-07-07 10:45:10,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:10,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:10,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:10,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:10,111 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2020-07-07 10:45:10,503 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:10,837 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:11,083 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:11,323 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:12,076 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:13,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:13,030 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-07-07 10:45:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:45:13,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:45:13,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:13,035 INFO L225 Difference]: With dead ends: 287 [2020-07-07 10:45:13,037 INFO L226 Difference]: Without dead ends: 230 [2020-07-07 10:45:13,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-07 10:45:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2020-07-07 10:45:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-07 10:45:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2020-07-07 10:45:13,118 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2020-07-07 10:45:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:13,118 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2020-07-07 10:45:13,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2020-07-07 10:45:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-07 10:45:13,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:13,121 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] [2020-07-07 10:45:13,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:13,121 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1651463691, now seen corresponding path program 1 times [2020-07-07 10:45:13,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:13,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280150455] [2020-07-07 10:45:13,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,454 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:13,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280150455] [2020-07-07 10:45:13,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:13,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:45:13,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243076521] [2020-07-07 10:45:13,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:45:13,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:13,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:45:13,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:45:13,602 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 11 states. [2020-07-07 10:45:14,025 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:14,414 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:14,674 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:14,916 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:15,423 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:15,981 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:16,258 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:16,519 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:16,772 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:16,995 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:17,255 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:17,502 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:17,750 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:18,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:18,229 INFO L93 Difference]: Finished difference Result 594 states and 779 transitions. [2020-07-07 10:45:18,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-07 10:45:18,232 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-07-07 10:45:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:18,238 INFO L225 Difference]: With dead ends: 594 [2020-07-07 10:45:18,238 INFO L226 Difference]: Without dead ends: 450 [2020-07-07 10:45:18,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:45:18,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-07-07 10:45:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 422. [2020-07-07 10:45:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-07-07 10:45:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2020-07-07 10:45:18,338 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 54 [2020-07-07 10:45:18,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:18,338 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2020-07-07 10:45:18,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:45:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2020-07-07 10:45:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-07 10:45:18,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:18,341 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] [2020-07-07 10:45:18,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:45:18,342 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:18,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:18,342 INFO L82 PathProgramCache]: Analyzing trace with hash 244560101, now seen corresponding path program 1 times [2020-07-07 10:45:18,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:18,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245765890] [2020-07-07 10:45:18,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,566 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:18,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245765890] [2020-07-07 10:45:18,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:18,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:45:18,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403715714] [2020-07-07 10:45:18,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:45:18,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:18,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:45:18,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:45:18,642 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand 5 states. [2020-07-07 10:45:18,943 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:19,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:19,492 INFO L93 Difference]: Finished difference Result 736 states and 931 transitions. [2020-07-07 10:45:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:45:19,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-07-07 10:45:19,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:19,497 INFO L225 Difference]: With dead ends: 736 [2020-07-07 10:45:19,497 INFO L226 Difference]: Without dead ends: 373 [2020-07-07 10:45:19,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:45:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-07-07 10:45:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2020-07-07 10:45:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-07-07 10:45:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 419 transitions. [2020-07-07 10:45:19,569 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 419 transitions. Word has length 58 [2020-07-07 10:45:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:19,569 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 419 transitions. [2020-07-07 10:45:19,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:45:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 419 transitions. [2020-07-07 10:45:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:45:19,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:19,572 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, 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] [2020-07-07 10:45:19,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:45:19,572 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:19,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:19,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1723103606, now seen corresponding path program 1 times [2020-07-07 10:45:19,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:19,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180994015] [2020-07-07 10:45:19,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,850 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 10:45:19,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180994015] [2020-07-07 10:45:19,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086695786] [2020-07-07 10:45:19,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:45:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:20,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:45:20,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:45:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:45:20,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:45:20,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-07-07 10:45:20,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467539473] [2020-07-07 10:45:20,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:45:20,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:20,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:45:20,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:45:20,311 INFO L87 Difference]: Start difference. First operand 360 states and 419 transitions. Second operand 10 states. [2020-07-07 10:45:20,929 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:45:21,445 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:21,914 INFO L93 Difference]: Finished difference Result 480 states and 570 transitions. [2020-07-07 10:45:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:45:21,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-07 10:45:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:21,915 INFO L225 Difference]: With dead ends: 480 [2020-07-07 10:45:21,916 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:45:21,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:45:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:45:21,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:45:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:45:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:45:21,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-07-07 10:45:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:21,918 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:45:21,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:45:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:45:21,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:45:22,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:45:22,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:45:25,168 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:25,632 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-07-07 10:45:25,992 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:26,343 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:26,835 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:26,990 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:27,346 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:27,568 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:27,918 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:45:28,142 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:28,728 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 17 [2020-07-07 10:45:29,424 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:45:29,604 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:45:30,158 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:45:30,737 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:45:31,243 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:45:31,611 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:45:31,749 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:45:32,186 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-07 10:45:32,254 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-07 10:45:32,255 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2020-07-07 10:45:32,255 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2020-07-07 10:45:32,256 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2020-07-07 10:45:32,256 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2020-07-07 10:45:32,256 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2020-07-07 10:45:32,256 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2020-07-07 10:45:32,256 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2020-07-07 10:45:32,257 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:32,257 INFO L268 CegarLoopResult]: For program point L748(lines 748 754) no Hoare annotation was computed. [2020-07-07 10:45:32,257 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:32,257 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-07 10:45:32,258 INFO L268 CegarLoopResult]: For program point L744(lines 744 757) no Hoare annotation was computed. [2020-07-07 10:45:32,258 INFO L268 CegarLoopResult]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2020-07-07 10:45:32,258 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-07-07 10:45:32,258 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-07 10:45:32,258 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 834 856) 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))) [2020-07-07 10:45:32,258 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2020-07-07 10:45:32,258 INFO L264 CegarLoopResult]: At program point L846(line 846) 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) (= main_~tmp~5 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:32,259 INFO L264 CegarLoopResult]: At program point L846-1(line 846) 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) (= main_~tmp~5 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:45:32,259 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2020-07-07 10:45:32,259 INFO L268 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-07-07 10:45:32,259 INFO L268 CegarLoopResult]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2020-07-07 10:45:32,259 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-07 10:45:32,259 INFO L264 CegarLoopResult]: At program point L841(line 841) 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))) [2020-07-07 10:45:32,260 INFO L264 CegarLoopResult]: At program point L840(line 840) 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))) [2020-07-07 10:45:32,260 INFO L264 CegarLoopResult]: At program point L840-1(line 840) 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))) [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-07 10:45:32,260 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-07 10:45:32,261 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-07 10:45:32,262 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2020-07-07 10:45:32,262 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 639 653) 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))) [2020-07-07 10:45:32,262 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:45:32,262 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2020-07-07 10:45:32,262 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-07-07 10:45:32,262 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2020-07-07 10:45:32,262 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2020-07-07 10:45:32,262 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point L610(lines 610 618) no Hoare annotation was computed. [2020-07-07 10:45:32,263 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:45:32,264 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 824 833) 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))) [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 10:45:32,265 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2020-07-07 10:45:32,266 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2020-07-07 10:45:32,266 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2020-07-07 10:45:32,266 INFO L264 CegarLoopResult]: At program point testENTRY(lines 458 523) 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))) [2020-07-07 10:45:32,267 INFO L264 CegarLoopResult]: At program point L506(line 506) 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) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:45:32,267 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-07-07 10:45:32,267 INFO L264 CegarLoopResult]: At program point L504-1(lines 498 511) 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) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:45:32,267 INFO L268 CegarLoopResult]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2020-07-07 10:45:32,267 INFO L268 CegarLoopResult]: For program point L469(lines 468 515) no Hoare annotation was computed. [2020-07-07 10:45:32,267 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-07-07 10:45:32,268 INFO L264 CegarLoopResult]: At program point L490(line 490) 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) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:45:32,268 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-07-07 10:45:32,268 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-07-07 10:45:32,268 INFO L264 CegarLoopResult]: At program point L513(lines 468 515) 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) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:45:32,268 INFO L264 CegarLoopResult]: At program point L480(line 480) 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)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:45:32,268 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-07 10:45:32,268 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2020-07-07 10:45:32,268 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L264 CegarLoopResult]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point L711(lines 711 719) no Hoare annotation was computed. [2020-07-07 10:45:32,269 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-07 10:45:32,270 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,271 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~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~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.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~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:45:32,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,272 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-07-07 10:45:32,273 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 682 693) 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))) [2020-07-07 10:45:32,273 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2020-07-07 10:45:32,273 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:45:32,273 INFO L268 CegarLoopResult]: For program point L540(lines 539 558) no Hoare annotation was computed. [2020-07-07 10:45:32,273 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 536 559) 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)|))))) [2020-07-07 10:45:32,273 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2020-07-07 10:45:32,273 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2020-07-07 10:45:32,274 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:45:32,274 INFO L264 CegarLoopResult]: At program point L547(lines 547 553) 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)|))))) [2020-07-07 10:45:32,274 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-07-07 10:45:32,274 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-07-07 10:45:32,274 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-07-07 10:45:32,274 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-07-07 10:45:32,274 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-07-07 10:45:32,274 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2020-07-07 10:45:32,275 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2020-07-07 10:45:32,275 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:45:32,276 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-07-07 10:45:32,276 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2020-07-07 10:45:32,277 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 670 681) 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)|))))) [2020-07-07 10:45:32,277 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:45:32,277 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:45:32,277 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:45:32,277 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:45:32,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:32 BoogieIcfgContainer [2020-07-07 10:45:32,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:32,307 INFO L168 Benchmark]: Toolchain (without parser) took 28117.08 ms. Allocated memory was 144.2 MB in the beginning and 627.0 MB in the end (delta: 482.9 MB). Free memory was 101.2 MB in the beginning and 256.3 MB in the end (delta: -155.1 MB). Peak memory consumption was 486.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,308 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.02 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,309 INFO L168 Benchmark]: Boogie Preprocessor took 89.28 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,314 INFO L168 Benchmark]: RCFGBuilder took 1280.89 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 167.1 MB in the beginning and 200.6 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,315 INFO L168 Benchmark]: TraceAbstraction took 25964.25 ms. Allocated memory was 233.8 MB in the beginning and 627.0 MB in the end (delta: 393.2 MB). Free memory was 199.1 MB in the beginning and 256.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 494.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:32,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.02 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.28 ms. Allocated memory is still 203.4 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.89 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 167.1 MB in the beginning and 200.6 MB in the end (delta: -33.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25964.25 ms. Allocated memory was 233.8 MB in the beginning and 627.0 MB in the end (delta: 393.2 MB). Free memory was 199.1 MB in the beginning and 256.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 494.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 468 SDtfs, 886 SDslu, 467 SDs, 0 SdLazy, 1895 SolverSat, 538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 420 PreInvPairs, 469 NumberOfFragments, 848 HoareAnnotationTreeSize, 420 FomulaSimplifications, 46527 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 16961 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 117684 SizeOfPredicates, 3 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/52 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...