/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:59:25,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:59:25,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:59:25,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:59:25,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:59:25,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:59:25,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:59:25,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:59:25,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:59:25,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:59:25,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:59:25,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:59:25,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:59:25,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:59:25,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:59:25,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:59:25,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:59:25,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:59:25,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:59:25,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:59:25,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:59:25,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:59:25,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:59:25,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:59:25,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:59:25,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:59:25,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:59:25,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:59:25,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:59:25,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:59:25,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:59:25,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:59:25,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:59:25,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:59:25,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:59:25,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:59:25,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:59:25,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:59:25,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:59:25,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:59:25,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:59:25,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:59:25,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:59:25,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:59:25,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:59:25,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:59:25,657 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:59:25,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:59:25,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:59:25,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:59:25,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:59:25,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:59:25,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:59:25,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:59:25,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:59:25,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:59:25,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:59:25,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:59:25,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:59:25,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:59:25,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:59:25,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:59:25,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:59:25,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:25,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:59:25,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:59:25,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:59:25,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:59:25,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:59:25,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:59:25,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:59:25,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:59:25,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:59:25,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:59:25,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:59:25,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:59:25,974 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:59:25,975 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-07-20 00:59:26,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b547fa85/55b314605d5f49e4825d3aef4b8d519d/FLAG8f6093896 [2020-07-20 00:59:26,650 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:59:26,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c [2020-07-20 00:59:26,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b547fa85/55b314605d5f49e4825d3aef4b8d519d/FLAG8f6093896 [2020-07-20 00:59:26,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b547fa85/55b314605d5f49e4825d3aef4b8d519d [2020-07-20 00:59:26,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:59:26,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:59:26,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:26,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:59:26,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:59:26,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:26" (1/1) ... [2020-07-20 00:59:26,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721a5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:26, skipping insertion in model container [2020-07-20 00:59:26,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:26" (1/1) ... [2020-07-20 00:59:26,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:59:26,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:59:27,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:27,391 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:59:27,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:59:27,540 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:59:27,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27 WrapperNode [2020-07-20 00:59:27,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:27,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:59:27,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:59:27,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:59:27,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... [2020-07-20 00:59:27,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:59:27,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:59:27,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:59:27,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:59:27,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:59:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:59:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:59:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:59:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:59:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:59:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:59:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:59:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:59:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:59:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:59:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:59:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:59:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:59:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:59:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:59:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:59:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:59:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:59:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:59:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:59:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:59:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:59:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:59:28,768 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:59:28,769 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:59:28,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:28 BoogieIcfgContainer [2020-07-20 00:59:28,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:59:28,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:59:28,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:59:28,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:59:28,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:59:26" (1/3) ... [2020-07-20 00:59:28,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c45b9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:28, skipping insertion in model container [2020-07-20 00:59:28,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:27" (2/3) ... [2020-07-20 00:59:28,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c45b9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:59:28, skipping insertion in model container [2020-07-20 00:59:28,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:59:28" (3/3) ... [2020-07-20 00:59:28,782 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2020-07-20 00:59:28,793 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:59:28,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:59:28,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:59:28,843 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:59:28,843 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:59:28,844 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:59:28,844 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:59:28,844 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:59:28,844 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:59:28,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:59:28,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:59:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-20 00:59:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:59:28,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:28,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:28,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:28,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:28,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1986683117, now seen corresponding path program 1 times [2020-07-20 00:59:28,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:28,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593355735] [2020-07-20 00:59:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ff76128 [2020-07-20 00:59:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,558 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:29,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593355735] [2020-07-20 00:59:29,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:29,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 00:59:29,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211154251] [2020-07-20 00:59:29,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:59:29,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:59:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:29,678 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 3 states. [2020-07-20 00:59:30,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:30,900 INFO L93 Difference]: Finished difference Result 338 states and 441 transitions. [2020-07-20 00:59:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:59:30,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 00:59:30,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:30,917 INFO L225 Difference]: With dead ends: 338 [2020-07-20 00:59:30,917 INFO L226 Difference]: Without dead ends: 183 [2020-07-20 00:59:30,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:59:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-20 00:59:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 146. [2020-07-20 00:59:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-20 00:59:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2020-07-20 00:59:31,016 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2020-07-20 00:59:31,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:31,017 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2020-07-20 00:59:31,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:59:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2020-07-20 00:59:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 00:59:31,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:31,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:31,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:59:31,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:31,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:31,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1294331280, now seen corresponding path program 1 times [2020-07-20 00:59:31,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:31,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386214967] [2020-07-20 00:59:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ff76128 [2020-07-20 00:59:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,372 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:31,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386214967] [2020-07-20 00:59:31,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:31,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:59:31,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517867642] [2020-07-20 00:59:31,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:59:31,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:31,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:59:31,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:59:31,426 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 4 states. [2020-07-20 00:59:31,906 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:59:32,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:32,815 INFO L93 Difference]: Finished difference Result 261 states and 320 transitions. [2020-07-20 00:59:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 00:59:32,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-20 00:59:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:32,826 INFO L225 Difference]: With dead ends: 261 [2020-07-20 00:59:32,826 INFO L226 Difference]: Without dead ends: 167 [2020-07-20 00:59:32,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:59:32,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-20 00:59:32,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 137. [2020-07-20 00:59:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-20 00:59:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2020-07-20 00:59:32,876 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 53 [2020-07-20 00:59:32,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:32,877 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2020-07-20 00:59:32,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:59:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2020-07-20 00:59:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 00:59:32,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:32,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:32,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:59:32,880 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:32,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:32,881 INFO L82 PathProgramCache]: Analyzing trace with hash 89991443, now seen corresponding path program 1 times [2020-07-20 00:59:32,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:32,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300360564] [2020-07-20 00:59:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ff76128 [2020-07-20 00:59:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,228 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:33,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300360564] [2020-07-20 00:59:33,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:33,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:33,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781760042] [2020-07-20 00:59:33,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:33,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:33,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:33,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:33,352 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand 8 states. [2020-07-20 00:59:33,732 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:34,037 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:59:34,288 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:34,518 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:35,254 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:59:37,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:37,330 INFO L93 Difference]: Finished difference Result 476 states and 591 transitions. [2020-07-20 00:59:37,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:59:37,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-20 00:59:37,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:37,336 INFO L225 Difference]: With dead ends: 476 [2020-07-20 00:59:37,336 INFO L226 Difference]: Without dead ends: 363 [2020-07-20 00:59:37,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 00:59:37,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-07-20 00:59:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 294. [2020-07-20 00:59:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 00:59:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2020-07-20 00:59:37,529 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 58 [2020-07-20 00:59:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:37,536 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2020-07-20 00:59:37,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2020-07-20 00:59:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 00:59:37,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:37,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:37,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:59:37,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1771452602, now seen corresponding path program 1 times [2020-07-20 00:59:37,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:37,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252175818] [2020-07-20 00:59:37,554 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ff76128 [2020-07-20 00:59:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,884 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:59:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:59:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:59:37,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252175818] [2020-07-20 00:59:37,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:59:37,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:59:37,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798884432] [2020-07-20 00:59:37,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:59:37,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:59:37,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:59:37,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:59:37,974 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand 8 states. [2020-07-20 00:59:38,406 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:39,808 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:40,193 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:40,494 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:59:40,734 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:59:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:59:41,741 INFO L93 Difference]: Finished difference Result 913 states and 1199 transitions. [2020-07-20 00:59:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 00:59:41,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-20 00:59:41,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:59:41,749 INFO L225 Difference]: With dead ends: 913 [2020-07-20 00:59:41,749 INFO L226 Difference]: Without dead ends: 643 [2020-07-20 00:59:41,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:59:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-07-20 00:59:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 569. [2020-07-20 00:59:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-07-20 00:59:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 703 transitions. [2020-07-20 00:59:41,872 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 703 transitions. Word has length 63 [2020-07-20 00:59:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:59:41,873 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 703 transitions. [2020-07-20 00:59:41,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:59:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 703 transitions. [2020-07-20 00:59:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-20 00:59:41,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:59:41,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:59:41,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:59:41,878 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:59:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:59:41,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1282483756, now seen corresponding path program 1 times [2020-07-20 00:59:41,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:59:41,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133125695] [2020-07-20 00:59:41,879 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ff76128 [2020-07-20 00:59:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:59:41,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:59:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:59:41,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:59:42,059 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 00:59:42,059 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 00:59:42,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:59:42,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:59:42 BoogieIcfgContainer [2020-07-20 00:59:42,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:59:42,182 INFO L168 Benchmark]: Toolchain (without parser) took 15274.99 ms. Allocated memory was 142.1 MB in the beginning and 456.1 MB in the end (delta: 314.0 MB). Free memory was 105.1 MB in the beginning and 248.2 MB in the end (delta: -143.1 MB). Peak memory consumption was 171.0 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,183 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.01 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 104.6 MB in the beginning and 174.9 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,185 INFO L168 Benchmark]: Boogie Preprocessor took 91.03 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 170.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,186 INFO L168 Benchmark]: RCFGBuilder took 1141.11 ms. Allocated memory was 205.5 MB in the beginning and 233.3 MB in the end (delta: 27.8 MB). Free memory was 170.2 MB in the beginning and 188.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,187 INFO L168 Benchmark]: TraceAbstraction took 13404.53 ms. Allocated memory was 233.3 MB in the beginning and 456.1 MB in the end (delta: 222.8 MB). Free memory was 187.5 MB in the beginning and 248.2 MB in the end (delta: -60.7 MB). Peak memory consumption was 162.1 MB. Max. memory is 7.1 GB. [2020-07-20 00:59:42,191 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.01 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 104.6 MB in the beginning and 174.9 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.03 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 170.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.11 ms. Allocated memory was 205.5 MB in the beginning and 233.3 MB in the end (delta: 27.8 MB). Free memory was 170.2 MB in the beginning and 188.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13404.53 ms. Allocated memory was 233.3 MB in the beginning and 456.1 MB in the end (delta: 222.8 MB). Free memory was 187.5 MB in the beginning and 248.2 MB in the end (delta: -60.7 MB). Peak memory consumption was 162.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L129] int waterLevel = 1; [L130] int methaneLevelCritical = 0; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L447] int cleanupTimeShifts = 4; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L522] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L528] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L532] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L533] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L556] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L566] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] COND TRUE waterLevel < 2 [L148] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___2)) [L590] tmp___1 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L594] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L434] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L594] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L601] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L236] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L243] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L251] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L168] int retValue_acc ; [L171] retValue_acc = methaneLevelCritical [L172] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L97] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L103] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] int retValue_acc ; [L203] retValue_acc = waterLevel [L204] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L103] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L107] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L360] int retValue_acc ; [L363] retValue_acc = pumpRunning [L364] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L107] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 890 SDslu, 392 SDs, 0 SdLazy, 2132 SolverSat, 558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=569occurred 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, 4 MinimizatonAttempts, 210 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...