/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:03,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:03,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:03,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:03,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:03,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:03,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:03,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:03,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:03,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:03,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:03,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:03,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:03,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:03,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:03,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:03,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:03,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:03,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:03,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:03,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:03,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:03,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:03,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:03,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:03,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:03,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:03,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:03,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:03,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:03,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:03,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:03,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:03,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:03,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:03,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:03,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:03,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:03,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:03,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:03,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:03,606 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 16:23:03,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:03,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:03,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:03,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:03,643 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:03,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:03,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:03,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:03,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:03,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:03,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:03,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:03,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:03,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:03,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:03,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:03,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:03,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:03,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:03,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:03,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:03,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:03,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:03,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:03,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:03,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:03,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:03,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:03,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:03,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC 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 [2020-07-20 16:23:03,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:03,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:03,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:03,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:03,943 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:03,944 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-07-20 16:23:04,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eb5536/10e1c5e7c6c345689dfdbc4f31354fb2/FLAGca6d665bf [2020-07-20 16:23:04,442 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:04,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-07-20 16:23:04,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eb5536/10e1c5e7c6c345689dfdbc4f31354fb2/FLAGca6d665bf [2020-07-20 16:23:04,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908eb5536/10e1c5e7c6c345689dfdbc4f31354fb2 [2020-07-20 16:23:04,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:04,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:04,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:04,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:04,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:04,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:04" (1/1) ... [2020-07-20 16:23:04,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcee9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:04, skipping insertion in model container [2020-07-20 16:23:04,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:04" (1/1) ... [2020-07-20 16:23:04,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:04,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:05,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:05,277 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:05,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:05,444 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:05,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05 WrapperNode [2020-07-20 16:23:05,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:05,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:05,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:05,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:05,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (1/1) ... [2020-07-20 16:23:05,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:05,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:05,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:05,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:05,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (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 16:23:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:23:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:23:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:06,605 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:06,606 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:06 BoogieIcfgContainer [2020-07-20 16:23:06,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:06,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:06,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:06,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:06,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:04" (1/3) ... [2020-07-20 16:23:06,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7542b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:06, skipping insertion in model container [2020-07-20 16:23:06,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:05" (2/3) ... [2020-07-20 16:23:06,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7542b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:06, skipping insertion in model container [2020-07-20 16:23:06,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:06" (3/3) ... [2020-07-20 16:23:06,618 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-07-20 16:23:06,628 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:06,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:06,649 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:06,673 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:06,673 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:06,673 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:06,674 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:06,674 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:06,674 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:06,674 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:06,675 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:06,696 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-07-20 16:23:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:06,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:06,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:06,706 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:06,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:06,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1074296443, now seen corresponding path program 1 times [2020-07-20 16:23:06,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:06,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934661168] [2020-07-20 16:23:06,722 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:07,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:07,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:07,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:07,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:07,205 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 16:23:07,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:07,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934661168] [2020-07-20 16:23:07,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:07,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:07,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132282409] [2020-07-20 16:23:07,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:07,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:07,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:07,237 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2020-07-20 16:23:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:07,295 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2020-07-20 16:23:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:07,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:07,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:07,316 INFO L225 Difference]: With dead ends: 226 [2020-07-20 16:23:07,316 INFO L226 Difference]: Without dead ends: 115 [2020-07-20 16:23:07,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:07,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-20 16:23:07,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-20 16:23:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-20 16:23:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-20 16:23:07,424 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2020-07-20 16:23:07,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:07,425 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-20 16:23:07,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-20 16:23:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:07,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:07,429 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 16:23:07,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:07,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:07,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:07,631 INFO L82 PathProgramCache]: Analyzing trace with hash 981139915, now seen corresponding path program 1 times [2020-07-20 16:23:07,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:07,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039807322] [2020-07-20 16:23:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:08,026 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:08,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:08,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:08,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:08,069 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 16:23:08,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:08,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039807322] [2020-07-20 16:23:08,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:08,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:08,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061492319] [2020-07-20 16:23:08,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:08,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:08,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:08,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:08,073 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2020-07-20 16:23:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:08,097 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2020-07-20 16:23:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:08,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:08,100 INFO L225 Difference]: With dead ends: 169 [2020-07-20 16:23:08,100 INFO L226 Difference]: Without dead ends: 106 [2020-07-20 16:23:08,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:08,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-20 16:23:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-07-20 16:23:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-20 16:23:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-20 16:23:08,127 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2020-07-20 16:23:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:08,127 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-20 16:23:08,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-20 16:23:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:08,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:08,132 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] [2020-07-20 16:23:08,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:08,347 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:08,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:08,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1888478302, now seen corresponding path program 1 times [2020-07-20 16:23:08,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:08,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513941729] [2020-07-20 16:23:08,348 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:08,816 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:08,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:08,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:08,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:08,850 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 16:23:08,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:08,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513941729] [2020-07-20 16:23:08,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:08,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:08,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644065843] [2020-07-20 16:23:08,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:08,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:08,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:08,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:08,853 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2020-07-20 16:23:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:08,877 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2020-07-20 16:23:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:08,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:08,881 INFO L225 Difference]: With dead ends: 260 [2020-07-20 16:23:08,882 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 16:23:08,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:08,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 16:23:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-07-20 16:23:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-20 16:23:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2020-07-20 16:23:08,907 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 56 [2020-07-20 16:23:08,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:08,908 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2020-07-20 16:23:08,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2020-07-20 16:23:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:08,910 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:08,911 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] [2020-07-20 16:23:09,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:09,126 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:09,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1204376986, now seen corresponding path program 1 times [2020-07-20 16:23:09,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:09,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727485048] [2020-07-20 16:23:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:09,535 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:09,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:09,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:09,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:09,565 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 16:23:09,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:09,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727485048] [2020-07-20 16:23:09,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:09,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:09,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284472872] [2020-07-20 16:23:09,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:09,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:09,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:09,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:09,568 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand 3 states. [2020-07-20 16:23:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:09,615 INFO L93 Difference]: Finished difference Result 328 states and 406 transitions. [2020-07-20 16:23:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:09,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 16:23:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:09,626 INFO L225 Difference]: With dead ends: 328 [2020-07-20 16:23:09,629 INFO L226 Difference]: Without dead ends: 325 [2020-07-20 16:23:09,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-20 16:23:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2020-07-20 16:23:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-07-20 16:23:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 402 transitions. [2020-07-20 16:23:09,692 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 402 transitions. Word has length 62 [2020-07-20 16:23:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:09,693 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 402 transitions. [2020-07-20 16:23:09,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 402 transitions. [2020-07-20 16:23:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:23:09,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:09,700 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:23:09,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:09,901 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:09,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:09,901 INFO L82 PathProgramCache]: Analyzing trace with hash -97335295, now seen corresponding path program 1 times [2020-07-20 16:23:09,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:09,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030094823] [2020-07-20 16:23:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:10,223 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:10,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:10,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:10,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 16:23:10,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:10,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030094823] [2020-07-20 16:23:10,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:10,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:10,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151744305] [2020-07-20 16:23:10,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:10,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:10,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:10,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:10,320 INFO L87 Difference]: Start difference. First operand 325 states and 402 transitions. Second operand 6 states. [2020-07-20 16:23:10,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:10,672 INFO L93 Difference]: Finished difference Result 856 states and 1090 transitions. [2020-07-20 16:23:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:10,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 16:23:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:10,677 INFO L225 Difference]: With dead ends: 856 [2020-07-20 16:23:10,677 INFO L226 Difference]: Without dead ends: 559 [2020-07-20 16:23:10,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:10,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-07-20 16:23:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 462. [2020-07-20 16:23:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 16:23:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 569 transitions. [2020-07-20 16:23:10,714 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 569 transitions. Word has length 92 [2020-07-20 16:23:10,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:10,715 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 569 transitions. [2020-07-20 16:23:10,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 569 transitions. [2020-07-20 16:23:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 16:23:10,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:10,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:23:10,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:10,932 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:10,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1618987549, now seen corresponding path program 1 times [2020-07-20 16:23:10,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:10,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224000699] [2020-07-20 16:23:10,934 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:11,279 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:11,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:11,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:11,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:23:11,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:11,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224000699] [2020-07-20 16:23:11,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:11,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:11,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351799335] [2020-07-20 16:23:11,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:11,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:11,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:11,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:11,328 INFO L87 Difference]: Start difference. First operand 462 states and 569 transitions. Second operand 6 states. [2020-07-20 16:23:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:11,631 INFO L93 Difference]: Finished difference Result 652 states and 819 transitions. [2020-07-20 16:23:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:11,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-20 16:23:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:11,632 INFO L225 Difference]: With dead ends: 652 [2020-07-20 16:23:11,633 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:11,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:11,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:11,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:11,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2020-07-20 16:23:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:11,636 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:11,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:11,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:11,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:11,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:13,137 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 16:23:13,137 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-20 16:23:13,137 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-20 16:23:13,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:23:13,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:23:13,138 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-20 16:23:13,138 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-20 16:23:13,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:23:13,139 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-20 16:23:13,139 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-20 16:23:13,139 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 16:23:13,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:23:13,140 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-20 16:23:13,140 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-20 16:23:13,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:23:13,140 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 16:23:13,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:23:13,141 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 16:23:13,141 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 910 916) the Hoare annotation is: true [2020-07-20 16:23:13,141 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 910 916) no Hoare annotation was computed. [2020-07-20 16:23:13,141 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-20 16:23:13,141 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 917 925) the Hoare annotation is: true [2020-07-20 16:23:13,141 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-20 16:23:13,142 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,142 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,142 INFO L264 CegarLoopResult]: At program point L603-1(line 603) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,142 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-07-20 16:23:13,142 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2020-07-20 16:23:13,143 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 608) no Hoare annotation was computed. [2020-07-20 16:23:13,143 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-20 16:23:13,143 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,143 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,143 INFO L264 CegarLoopResult]: At program point L597-1(line 597) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 591 613) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 544 567) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 544 567) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 544 567) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 16:23:13,144 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 16:23:13,145 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 16:23:13,146 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-20 16:23:13,146 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 809 823) no Hoare annotation was computed. [2020-07-20 16:23:13,146 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:13,146 INFO L268 CegarLoopResult]: For program point L813(lines 813 819) no Hoare annotation was computed. [2020-07-20 16:23:13,146 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 809 823) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse5))) [2020-07-20 16:23:13,147 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 809 823) no Hoare annotation was computed. [2020-07-20 16:23:13,147 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 745 753) no Hoare annotation was computed. [2020-07-20 16:23:13,147 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 745 753) the Hoare annotation is: true [2020-07-20 16:23:13,147 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 745 753) no Hoare annotation was computed. [2020-07-20 16:23:13,147 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-20 16:23:13,147 INFO L271 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: true [2020-07-20 16:23:13,147 INFO L268 CegarLoopResult]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 790 808) the Hoare annotation is: true [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 790 808) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 790 808) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-20 16:23:13,148 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 754 789) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 754 789) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point L773(lines 773 781) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 754 789) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 903 909) no Hoare annotation was computed. [2020-07-20 16:23:13,149 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 903 909) the Hoare annotation is: true [2020-07-20 16:23:13,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:23:13,150 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-20 16:23:13,151 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 577 587) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,151 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 577 587) no Hoare annotation was computed. [2020-07-20 16:23:13,151 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 577 587) no Hoare annotation was computed. [2020-07-20 16:23:13,151 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,151 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 734 744) no Hoare annotation was computed. [2020-07-20 16:23:13,151 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 734 744) no Hoare annotation was computed. [2020-07-20 16:23:13,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 734 744) no Hoare annotation was computed. [2020-07-20 16:23:13,152 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-07-20 16:23:13,152 INFO L268 CegarLoopResult]: For program point L739-1(line 739) no Hoare annotation was computed. [2020-07-20 16:23:13,152 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 726 733) the Hoare annotation is: true [2020-07-20 16:23:13,152 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 726 733) no Hoare annotation was computed. [2020-07-20 16:23:13,152 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 726 733) no Hoare annotation was computed. [2020-07-20 16:23:13,153 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:13,153 INFO L268 CegarLoopResult]: For program point L701(lines 701 709) no Hoare annotation was computed. [2020-07-20 16:23:13,153 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:13,153 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-07-20 16:23:13,153 INFO L268 CegarLoopResult]: For program point L697(lines 697 714) no Hoare annotation was computed. [2020-07-20 16:23:13,153 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 693 717) no Hoare annotation was computed. [2020-07-20 16:23:13,153 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 693 717) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:13,154 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:13,154 INFO L268 CegarLoopResult]: For program point L712-1(lines 693 717) no Hoare annotation was computed. [2020-07-20 16:23:13,154 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:13,154 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 685 691) no Hoare annotation was computed. [2020-07-20 16:23:13,154 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 685 691) the Hoare annotation is: true [2020-07-20 16:23:13,154 INFO L268 CegarLoopResult]: For program point L865(lines 865 878) no Hoare annotation was computed. [2020-07-20 16:23:13,154 INFO L264 CegarLoopResult]: At program point testENTRY(lines 825 890) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,155 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,155 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-20 16:23:13,155 INFO L268 CegarLoopResult]: For program point testFINAL(lines 825 890) no Hoare annotation was computed. [2020-07-20 16:23:13,155 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2020-07-20 16:23:13,155 INFO L264 CegarLoopResult]: At program point L880(lines 835 882) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,155 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,156 INFO L268 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2020-07-20 16:23:13,156 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2020-07-20 16:23:13,156 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-07-20 16:23:13,156 INFO L264 CegarLoopResult]: At program point L883(lines 834 884) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:13,156 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:13,156 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L264 CegarLoopResult]: At program point L871-1(lines 865 878) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point L836(lines 835 882) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point testEXIT(lines 825 890) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:23:13,157 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-20 16:23:13,158 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-20 16:23:13,158 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-07-20 16:23:13,158 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-07-20 16:23:13,158 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-07-20 16:23:13,158 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:13,158 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-07-20 16:23:13,158 INFO L268 CegarLoopResult]: For program point L637(lines 637 647) no Hoare annotation was computed. [2020-07-20 16:23:13,159 INFO L264 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:13,159 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-20 16:23:13,159 INFO L268 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-07-20 16:23:13,159 INFO L268 CegarLoopResult]: For program point L633-1(lines 625 653) no Hoare annotation was computed. [2020-07-20 16:23:13,159 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:13,159 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 625 653) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 625 653) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-07-20 16:23:13,160 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 617 624) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 617 624) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 617 624) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-20 16:23:13,161 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-20 16:23:13,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 893 902) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 893 902) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 893 902) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,163 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:13,164 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,164 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2020-07-20 16:23:13,164 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2020-07-20 16:23:13,164 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 718 725) no Hoare annotation was computed. [2020-07-20 16:23:13,165 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-07-20 16:23:13,165 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-20 16:23:13,165 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-20 16:23:13,165 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,165 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,166 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,166 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:13,166 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-07-20 16:23:13,166 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-07-20 16:23:13,166 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-07-20 16:23:13,166 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-07-20 16:23:13,166 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-07-20 16:23:13,167 INFO L264 CegarLoopResult]: At program point L672(lines 672 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:13,167 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:13,167 INFO L268 CegarLoopResult]: For program point L665(lines 664 683) no Hoare annotation was computed. [2020-07-20 16:23:13,167 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 661 684) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:13,167 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 661 684) no Hoare annotation was computed. [2020-07-20 16:23:13,167 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 661 684) no Hoare annotation was computed. [2020-07-20 16:23:13,168 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:13,168 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 513 542) no Hoare annotation was computed. [2020-07-20 16:23:13,168 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 513 542) the Hoare annotation is: true [2020-07-20 16:23:13,168 INFO L271 CegarLoopResult]: At program point L538(lines 513 542) the Hoare annotation is: true [2020-07-20 16:23:13,168 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-20 16:23:13,168 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-20 16:23:13,168 INFO L271 CegarLoopResult]: At program point L527-1(lines 527 531) the Hoare annotation is: true [2020-07-20 16:23:13,168 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 16:23:13,169 INFO L271 CegarLoopResult]: At program point L523-2(lines 523 537) the Hoare annotation is: true [2020-07-20 16:23:13,169 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-07-20 16:23:13,169 INFO L268 CegarLoopResult]: For program point L519-1(line 519) no Hoare annotation was computed. [2020-07-20 16:23:13,169 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-07-20 16:23:13,169 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-07-20 16:23:13,169 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-07-20 16:23:13,169 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2020-07-20 16:23:13,169 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2020-07-20 16:23:13,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,170 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:23:13,170 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:13,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:13,170 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-07-20 16:23:13,170 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-07-20 16:23:13,170 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2020-07-20 16:23:13,171 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:13,171 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:23:13,171 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:23:13,171 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:13,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:13 BoogieIcfgContainer [2020-07-20 16:23:13,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:13,188 INFO L168 Benchmark]: Toolchain (without parser) took 8406.25 ms. Allocated memory was 144.2 MB in the beginning and 308.3 MB in the end (delta: 164.1 MB). Free memory was 101.9 MB in the beginning and 253.2 MB in the end (delta: -151.3 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,189 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.18 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 101.5 MB in the beginning and 174.6 MB in the end (delta: -73.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,191 INFO L168 Benchmark]: Boogie Preprocessor took 94.23 ms. Allocated memory is still 205.0 MB. Free memory was 174.6 MB in the beginning and 170.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,192 INFO L168 Benchmark]: RCFGBuilder took 1070.98 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 170.6 MB in the beginning and 197.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,192 INFO L168 Benchmark]: TraceAbstraction took 6573.92 ms. Allocated memory was 236.5 MB in the beginning and 308.3 MB in the end (delta: 71.8 MB). Free memory was 197.5 MB in the beginning and 253.2 MB in the end (delta: -55.7 MB). Peak memory consumption was 151.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:13,197 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 144.2 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.18 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 101.5 MB in the beginning and 174.6 MB in the end (delta: -73.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.23 ms. Allocated memory is still 205.0 MB. Free memory was 174.6 MB in the beginning and 170.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1070.98 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 170.6 MB in the beginning and 197.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6573.92 ms. Allocated memory was 236.5 MB in the beginning and 308.3 MB in the end (delta: 71.8 MB). Free memory was 197.5 MB in the beginning and 253.2 MB in the end (delta: -55.7 MB). Peak memory consumption was 151.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: (((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 780 SDtfs, 307 SDslu, 742 SDs, 0 SdLazy, 277 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 101 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 473 PreInvPairs, 502 NumberOfFragments, 866 HoareAnnotationTreeSize, 473 FomulaSimplifications, 435 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1525 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 409 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 52927 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4269 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 52/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...