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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:05,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:05,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:05,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:05,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:05,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:05,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:05,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:05,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:05,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:05,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:05,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:05,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:05,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:05,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:05,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:05,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:05,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:05,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:05,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:05,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:05,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:05,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:05,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:05,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:05,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:05,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:05,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:05,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:05,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:05,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:05,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:05,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:05,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:05,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:05,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:05,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:05,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:05,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:05,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:05,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:05,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:38:05,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:05,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:05,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:05,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:05,649 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:05,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:05,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:05,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:05,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:05,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:05,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:05,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:05,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:05,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:05,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:05,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:05,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:05,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:05,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:05,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:05,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:05,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:05,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:05,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:05,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:05,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:05,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:05,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:05,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:05,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:05,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:05,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:05,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:05,941 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:05,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-14 23:38:06,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d8bb11/ec3cc87af5fe4a1ba923402f3fe5e7ee/FLAG9bf1bbe79 [2019-10-14 23:38:06,561 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:06,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-14 23:38:06,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d8bb11/ec3cc87af5fe4a1ba923402f3fe5e7ee/FLAG9bf1bbe79 [2019-10-14 23:38:06,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d8bb11/ec3cc87af5fe4a1ba923402f3fe5e7ee [2019-10-14 23:38:06,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:06,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:06,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:06,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:06,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:06,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:06" (1/1) ... [2019-10-14 23:38:06,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76624cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:06, skipping insertion in model container [2019-10-14 23:38:06,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:06" (1/1) ... [2019-10-14 23:38:06,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:06,974 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:07,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:07,416 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:07,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:07,538 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:07,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07 WrapperNode [2019-10-14 23:38:07,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:07,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:07,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:07,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:07,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... [2019-10-14 23:38:07,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:07,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:07,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:07,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:07,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:38:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:08,897 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:08,898 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:08,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:08 BoogieIcfgContainer [2019-10-14 23:38:08,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:08,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:08,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:08,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:08,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:06" (1/3) ... [2019-10-14 23:38:08,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055104b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:08, skipping insertion in model container [2019-10-14 23:38:08,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:07" (2/3) ... [2019-10-14 23:38:08,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055104b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:08, skipping insertion in model container [2019-10-14 23:38:08,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:08" (3/3) ... [2019-10-14 23:38:08,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-10-14 23:38:08,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:08,927 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:08,939 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:08,986 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:08,986 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:08,986 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:08,987 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:08,987 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:08,987 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:08,987 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:08,988 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-14 23:38:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:09,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:09,023 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:09,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2019-10-14 23:38:09,041 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:09,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547744514] [2019-10-14 23:38:09,042 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:09,042 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:09,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,738 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:09,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:09,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547744514] [2019-10-14 23:38:09,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:09,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:09,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171897670] [2019-10-14 23:38:09,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:09,841 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:09,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:09,869 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2019-10-14 23:38:10,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:10,975 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2019-10-14 23:38:10,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:10,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:10,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:10,992 INFO L225 Difference]: With dead ends: 261 [2019-10-14 23:38:10,992 INFO L226 Difference]: Without dead ends: 142 [2019-10-14 23:38:10,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-14 23:38:11,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2019-10-14 23:38:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-14 23:38:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2019-10-14 23:38:11,102 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2019-10-14 23:38:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:11,104 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2019-10-14 23:38:11,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2019-10-14 23:38:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:11,110 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:11,110 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:11,111 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:11,112 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2019-10-14 23:38:11,112 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:11,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770033301] [2019-10-14 23:38:11,112 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:11,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:11,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,491 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:11,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770033301] [2019-10-14 23:38:11,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:11,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:11,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090811431] [2019-10-14 23:38:11,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:11,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:11,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:11,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:11,533 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2019-10-14 23:38:12,127 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:12,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:12,845 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2019-10-14 23:38:12,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:12,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:12,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:12,848 INFO L225 Difference]: With dead ends: 188 [2019-10-14 23:38:12,848 INFO L226 Difference]: Without dead ends: 126 [2019-10-14 23:38:12,849 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:12,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-14 23:38:12,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2019-10-14 23:38:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-14 23:38:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2019-10-14 23:38:12,885 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2019-10-14 23:38:12,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:12,885 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2019-10-14 23:38:12,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2019-10-14 23:38:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:38:12,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:12,888 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:12,888 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:12,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2019-10-14 23:38:12,889 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:12,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440586778] [2019-10-14 23:38:12,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:12,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:12,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,275 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:13,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440586778] [2019-10-14 23:38:13,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:13,393 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:13,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347593018] [2019-10-14 23:38:13,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:13,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:13,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:13,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:13,394 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2019-10-14 23:38:13,796 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:14,170 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:14,449 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:14,721 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:15,559 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:17,094 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2019-10-14 23:38:17,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:38:17,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:38:17,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:17,099 INFO L225 Difference]: With dead ends: 351 [2019-10-14 23:38:17,099 INFO L226 Difference]: Without dead ends: 274 [2019-10-14 23:38:17,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:38:17,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-10-14 23:38:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2019-10-14 23:38:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-14 23:38:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2019-10-14 23:38:17,169 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2019-10-14 23:38:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:17,170 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2019-10-14 23:38:17,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2019-10-14 23:38:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-14 23:38:17,173 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:17,173 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:17,173 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:17,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:17,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2019-10-14 23:38:17,174 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:17,174 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052695594] [2019-10-14 23:38:17,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:17,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,529 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:17,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052695594] [2019-10-14 23:38:17,676 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:17,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:17,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852062979] [2019-10-14 23:38:17,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:17,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:17,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:17,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:17,678 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 12 states. [2019-10-14 23:38:18,292 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:18,657 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:18,951 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:19,237 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:19,888 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:20,866 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:21,311 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:21,617 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:21,892 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:22,167 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:22,484 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:22,840 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:23,166 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:24,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:24,459 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2019-10-14 23:38:24,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:24,460 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-14 23:38:24,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:24,470 INFO L225 Difference]: With dead ends: 871 [2019-10-14 23:38:24,471 INFO L226 Difference]: Without dead ends: 675 [2019-10-14 23:38:24,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2019-10-14 23:38:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2019-10-14 23:38:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-14 23:38:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2019-10-14 23:38:24,623 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2019-10-14 23:38:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:24,624 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2019-10-14 23:38:24,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2019-10-14 23:38:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-14 23:38:24,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,628 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:24,628 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,628 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2019-10-14 23:38:24,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495579317] [2019-10-14 23:38:24,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,927 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:25,002 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495579317] [2019-10-14 23:38:25,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:25,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:25,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571652766] [2019-10-14 23:38:25,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:25,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:25,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:25,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:25,004 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand 6 states. [2019-10-14 23:38:25,427 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:26,161 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2019-10-14 23:38:26,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:26,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-14 23:38:26,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:26,166 INFO L225 Difference]: With dead ends: 973 [2019-10-14 23:38:26,166 INFO L226 Difference]: Without dead ends: 415 [2019-10-14 23:38:26,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:38:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-14 23:38:26,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2019-10-14 23:38:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-14 23:38:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2019-10-14 23:38:26,235 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2019-10-14 23:38:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:26,235 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2019-10-14 23:38:26,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2019-10-14 23:38:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:38:26,238 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:26,238 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:26,239 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2019-10-14 23:38:26,239 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:26,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479525191] [2019-10-14 23:38:26,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:26,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:26,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,614 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:38:26,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479525191] [2019-10-14 23:38:26,719 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585374452] [2019-10-14 23:38:26,719 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 [2019-10-14 23:38:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:26,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:26,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:27,078 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:27,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:27,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674666017] [2019-10-14 23:38:27,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:27,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:27,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:27,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:27,080 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 15 states. [2019-10-14 23:38:27,747 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:28,534 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:29,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:29,627 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2019-10-14 23:38:29,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:38:29,628 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-10-14 23:38:29,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:29,629 INFO L225 Difference]: With dead ends: 522 [2019-10-14 23:38:29,629 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:29,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:38:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:29,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-14 23:38:29,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:29,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:29,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:29,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:29,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:29,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:30,632 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 207 [2019-10-14 23:38:31,456 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-14 23:38:32,766 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-14 23:38:33,305 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:33,483 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:33,683 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:33,879 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-14 23:38:34,063 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:34,237 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2019-10-14 23:38:34,541 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:35,150 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:35,358 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:35,904 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-14 23:38:36,144 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:36,328 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:36,882 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-14 23:38:37,075 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:37,194 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-10-14 23:38:37,805 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:37,991 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:38,113 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2019-10-14 23:38:38,347 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:38,552 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:38,796 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:38,912 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2019-10-14 23:38:39,506 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:39,623 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2019-10-14 23:38:40,203 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-14 23:38:40,243 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:40,244 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-14 23:38:40,245 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2019-10-14 23:38:40,246 INFO L439 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,247 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-14 23:38:40,247 INFO L439 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,247 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,247 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2019-10-14 23:38:40,247 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2019-10-14 23:38:40,247 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:40,248 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:40,248 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-10-14 23:38:40,248 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2019-10-14 23:38:40,248 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-14 23:38:40,248 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,248 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,248 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-14 23:38:40,249 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-14 23:38:40,250 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-14 23:38:40,250 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-14 23:38:40,251 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (or .cse1 (not (= ~waterLevel~0 1))) .cse0))) [2019-10-14 23:38:40,251 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-10-14 23:38:40,251 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-14 23:38:40,251 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-14 23:38:40,251 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-10-14 23:38:40,251 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-14 23:38:40,251 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-14 23:38:40,251 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-14 23:38:40,251 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:40,252 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:40,253 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2019-10-14 23:38:40,254 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-14 23:38:40,255 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-14 23:38:40,255 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2019-10-14 23:38:40,255 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,255 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,255 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2019-10-14 23:38:40,255 INFO L439 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,255 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-10-14 23:38:40,255 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2019-10-14 23:38:40,255 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2019-10-14 23:38:40,256 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2019-10-14 23:38:40,256 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2019-10-14 23:38:40,256 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,256 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2019-10-14 23:38:40,256 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2019-10-14 23:38:40,256 INFO L439 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:40,256 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:40,256 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2019-10-14 23:38:40,256 INFO L439 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:40,256 INFO L443 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L439 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:40,257 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:40,257 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-14 23:38:40,258 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 476) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-14 23:38:40,259 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-14 23:38:40,260 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-14 23:38:40,261 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-14 23:38:40,261 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2019-10-14 23:38:40,261 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2019-10-14 23:38:40,261 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2019-10-14 23:38:40,261 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,262 INFO L439 ceAbstractionStarter]: 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~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.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~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~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)|) (= |#t~string36.base| |old(#t~string36.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~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.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~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)|)) [2019-10-14 23:38:40,262 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,262 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2019-10-14 23:38:40,262 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2019-10-14 23:38:40,262 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2019-10-14 23:38:40,262 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2019-10-14 23:38:40,262 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2019-10-14 23:38:40,263 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-14 23:38:40,264 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2019-10-14 23:38:40,264 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2019-10-14 23:38:40,264 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-14 23:38:40,264 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:40,264 INFO L439 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)))) [2019-10-14 23:38:40,264 INFO L439 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2019-10-14 23:38:40,265 INFO L439 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2019-10-14 23:38:40,265 INFO L446 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2019-10-14 23:38:40,265 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-10-14 23:38:40,266 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2019-10-14 23:38:40,266 INFO L446 ceAbstractionStarter]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2019-10-14 23:38:40,266 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-10-14 23:38:40,266 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-14 23:38:40,266 INFO L446 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2019-10-14 23:38:40,266 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-14 23:38:40,266 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-10-14 23:38:40,266 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-14 23:38:40,267 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2019-10-14 23:38:40,267 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2019-10-14 23:38:40,267 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2019-10-14 23:38:40,267 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,267 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:40,267 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:40,267 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:40,268 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-14 23:38:40,268 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2019-10-14 23:38:40,268 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:40,268 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2019-10-14 23:38:40,268 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2019-10-14 23:38:40,268 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-10-14 23:38:40,269 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2019-10-14 23:38:40,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:40 BoogieIcfgContainer [2019-10-14 23:38:40,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:40,287 INFO L168 Benchmark]: Toolchain (without parser) took 33398.40 ms. Allocated memory was 137.4 MB in the beginning and 650.1 MB in the end (delta: 512.8 MB). Free memory was 101.1 MB in the beginning and 179.2 MB in the end (delta: -78.1 MB). Peak memory consumption was 536.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,288 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.03 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 168.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,289 INFO L168 Benchmark]: Boogie Preprocessor took 106.51 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,290 INFO L168 Benchmark]: RCFGBuilder took 1253.82 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 196.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,291 INFO L168 Benchmark]: TraceAbstraction took 31384.34 ms. Allocated memory was 232.8 MB in the beginning and 650.1 MB in the end (delta: 417.3 MB). Free memory was 196.8 MB in the beginning and 179.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 537.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:40,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.03 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 168.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.51 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1253.82 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.7 MB in the beginning and 196.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31384.34 ms. Allocated memory was 232.8 MB in the beginning and 650.1 MB in the end (delta: 417.3 MB). Free memory was 196.8 MB in the beginning and 179.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 537.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Result: SAFE, OverallTime: 31.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, HoareTripleCheckerStatistics: 568 SDtfs, 1188 SDslu, 637 SDs, 0 SdLazy, 3158 SolverSat, 784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1002 HoareAnnotationTreeSize, 618 FomulaSimplifications, 66401 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18195 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 125709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...