/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_FUNCTIONS --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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:49:19,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:49:19,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:49:19,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:49:19,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:49:19,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:49:19,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:49:19,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:49:19,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:49:19,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:49:19,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:49:19,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:49:19,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:49:19,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:49:19,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:49:19,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:49:19,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:49:19,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:49:19,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:49:19,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:49:19,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:49:19,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:49:19,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:49:19,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:49:19,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:49:19,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:49:19,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:49:19,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:49:19,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:49:19,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:49:19,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:49:19,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:49:19,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:49:19,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:49:19,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:49:19,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:49:19,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:49:19,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:49:19,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:49:19,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:49:19,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:49:19,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:49:19,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:49:19,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:49:19,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:49:19,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:49:19,671 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:49:19,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:49:19,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:49:19,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:49:19,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:49:19,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:49:19,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:49:19,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:49:19,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:49:19,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:49:19,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:49:19,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:49:19,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:19,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:49:19,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:49:19,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:49:19,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:49:19,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:49:19,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:49:19,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:49:19,679 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_FUNCTIONS 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 [2020-07-19 22:49:19,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:49:19,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:49:19,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:49:19,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:49:19,973 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:49:19,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-19 22:49:20,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47f7a22c/a57253a21ab241f590d5cde866655dfa/FLAG2f8a921ae [2020-07-19 22:49:20,553 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:49:20,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-19 22:49:20,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47f7a22c/a57253a21ab241f590d5cde866655dfa/FLAG2f8a921ae [2020-07-19 22:49:20,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47f7a22c/a57253a21ab241f590d5cde866655dfa [2020-07-19 22:49:20,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:49:20,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:49:20,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:20,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:49:20,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:49:20,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:20" (1/1) ... [2020-07-19 22:49:20,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758acd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:20, skipping insertion in model container [2020-07-19 22:49:20,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:20" (1/1) ... [2020-07-19 22:49:20,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:49:20,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:49:21,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:21,373 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:49:21,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:21,499 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:49:21,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21 WrapperNode [2020-07-19 22:49:21,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:21,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:49:21,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:49:21,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:49:21,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... [2020-07-19 22:49:21,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:49:21,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:49:21,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:49:21,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:49:21,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:49:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:49:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:49:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:49:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:49:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:49:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:49:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:49:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:49:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:49:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:49:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:49:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:49:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:49:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:49:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:49:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:49:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:49:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:49:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:49:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:49:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:49:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:49:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:49:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:49:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:49:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:49:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:49:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:49:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:49:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:49:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:49:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:49:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:49:22,795 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:49:22,795 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:49:22,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:22 BoogieIcfgContainer [2020-07-19 22:49:22,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:49:22,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:49:22,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:49:22,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:49:22,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:49:20" (1/3) ... [2020-07-19 22:49:22,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c51fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:22, skipping insertion in model container [2020-07-19 22:49:22,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:21" (2/3) ... [2020-07-19 22:49:22,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c51fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:22, skipping insertion in model container [2020-07-19 22:49:22,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:22" (3/3) ... [2020-07-19 22:49:22,809 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-07-19 22:49:22,820 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:49:22,828 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:49:22,842 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:49:22,870 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:49:22,870 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:49:22,870 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:49:22,871 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:49:22,871 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:49:22,871 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:49:22,871 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:49:22,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:49:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-07-19 22:49:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:49:22,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:22,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:22,906 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:22,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:22,913 INFO L82 PathProgramCache]: Analyzing trace with hash -438635737, now seen corresponding path program 1 times [2020-07-19 22:49:22,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:22,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931969919] [2020-07-19 22:49:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51b0b54b [2020-07-19 22:49:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,543 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:23,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931969919] [2020-07-19 22:49:23,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:23,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:49:23,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578624411] [2020-07-19 22:49:23,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:49:23,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:23,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:49:23,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:49:23,734 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-07-19 22:49:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:24,731 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2020-07-19 22:49:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:49:24,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:49:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:24,746 INFO L225 Difference]: With dead ends: 211 [2020-07-19 22:49:24,747 INFO L226 Difference]: Without dead ends: 115 [2020-07-19 22:49:24,755 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 [2020-07-19 22:49:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-19 22:49:24,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-19 22:49:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-19 22:49:24,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-07-19 22:49:24,830 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-07-19 22:49:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:24,830 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-07-19 22:49:24,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:49:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-07-19 22:49:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:49:24,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:24,834 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] [2020-07-19 22:49:24,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:49:24,835 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:24,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:24,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1274777231, now seen corresponding path program 1 times [2020-07-19 22:49:24,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:24,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230060960] [2020-07-19 22:49:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51b0b54b [2020-07-19 22:49:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,111 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:25,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230060960] [2020-07-19 22:49:25,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:25,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:49:25,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162237712] [2020-07-19 22:49:25,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:49:25,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:25,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:49:25,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:49:25,157 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states. [2020-07-19 22:49:25,625 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:26,109 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2020-07-19 22:49:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:49:26,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:49:26,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:26,112 INFO L225 Difference]: With dead ends: 144 [2020-07-19 22:49:26,114 INFO L226 Difference]: Without dead ends: 99 [2020-07-19 22:49:26,115 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 [2020-07-19 22:49:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-19 22:49:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-19 22:49:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-19 22:49:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-07-19 22:49:26,161 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2020-07-19 22:49:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:26,161 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-07-19 22:49:26,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:49:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-07-19 22:49:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:49:26,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:26,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:26,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:49:26,174 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:26,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1377435257, now seen corresponding path program 1 times [2020-07-19 22:49:26,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:26,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974197019] [2020-07-19 22:49:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51b0b54b [2020-07-19 22:49:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,515 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:26,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974197019] [2020-07-19 22:49:26,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:26,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:49:26,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133888945] [2020-07-19 22:49:26,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:26,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:26,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:26,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:49:26,609 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states. [2020-07-19 22:49:27,038 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:27,361 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:27,601 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:27,829 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:28,487 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2020-07-19 22:49:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:49:28,488 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:49:28,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:28,490 INFO L225 Difference]: With dead ends: 153 [2020-07-19 22:49:28,490 INFO L226 Difference]: Without dead ends: 99 [2020-07-19 22:49:28,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:49:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-19 22:49:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-19 22:49:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-19 22:49:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-07-19 22:49:28,517 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2020-07-19 22:49:28,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:28,517 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-07-19 22:49:28,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-07-19 22:49:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:49:28,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:28,519 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] [2020-07-19 22:49:28,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:49:28,519 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:28,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:28,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1699431063, now seen corresponding path program 1 times [2020-07-19 22:49:28,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:28,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494343201] [2020-07-19 22:49:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51b0b54b [2020-07-19 22:49:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,812 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:28,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494343201] [2020-07-19 22:49:28,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:28,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:49:28,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155079701] [2020-07-19 22:49:28,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:28,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:28,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:28,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:49:28,917 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 8 states. [2020-07-19 22:49:29,278 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:30,177 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:30,454 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:30,705 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:30,948 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:31,262 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:31,559 INFO L93 Difference]: Finished difference Result 205 states and 259 transitions. [2020-07-19 22:49:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:49:31,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-07-19 22:49:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:31,564 INFO L225 Difference]: With dead ends: 205 [2020-07-19 22:49:31,564 INFO L226 Difference]: Without dead ends: 151 [2020-07-19 22:49:31,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:49:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-19 22:49:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 130. [2020-07-19 22:49:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-19 22:49:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-07-19 22:49:31,611 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 60 [2020-07-19 22:49:31,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:31,611 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-07-19 22:49:31,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-07-19 22:49:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 22:49:31,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:31,614 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] [2020-07-19 22:49:31,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:49:31,614 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:31,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2045663983, now seen corresponding path program 1 times [2020-07-19 22:49:31,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:31,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636207050] [2020-07-19 22:49:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51b0b54b [2020-07-19 22:49:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:49:31,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:49:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:49:31,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:49:31,830 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:49:31,831 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:49:31,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:49:31,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:49:31 BoogieIcfgContainer [2020-07-19 22:49:31,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:49:31,977 INFO L168 Benchmark]: Toolchain (without parser) took 11088.22 ms. Allocated memory was 146.3 MB in the beginning and 401.6 MB in the end (delta: 255.3 MB). Free memory was 102.6 MB in the beginning and 211.5 MB in the end (delta: -108.9 MB). Peak memory consumption was 146.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,977 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.21 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.1 MB in the beginning and 175.7 MB in the end (delta: -73.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,979 INFO L168 Benchmark]: Boogie Preprocessor took 94.08 ms. Allocated memory is still 204.5 MB. Free memory was 175.7 MB in the beginning and 171.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,980 INFO L168 Benchmark]: RCFGBuilder took 1203.51 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 171.3 MB in the beginning and 204.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,981 INFO L168 Benchmark]: TraceAbstraction took 9172.97 ms. Allocated memory was 236.5 MB in the beginning and 401.6 MB in the end (delta: 165.2 MB). Free memory was 204.7 MB in the beginning and 211.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:31,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 609.21 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.1 MB in the beginning and 175.7 MB in the end (delta: -73.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.08 ms. Allocated memory is still 204.5 MB. Free memory was 175.7 MB in the beginning and 171.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.51 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 171.3 MB in the beginning and 204.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9172.97 ms. Allocated memory was 236.5 MB in the beginning and 401.6 MB in the end (delta: 165.2 MB). Free memory was 204.7 MB in the beginning and 211.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L385] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L386] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L391] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L392] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L374] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L181] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L212] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L271] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L277] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L277] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L281] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L281] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L287] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 429 SDslu, 180 SDs, 0 SdLazy, 909 SolverSat, 239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 61735 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...