/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_FUNCTIONS --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_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:24,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:24,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:24,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:24,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:24,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:24,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:24,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:24,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:24,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:24,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:24,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:24,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:24,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:24,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:24,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:24,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:24,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:24,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:24,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:24,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:24,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:24,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:24,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:24,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:24,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:24,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:24,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:24,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:24,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:24,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:24,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:24,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:24,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:24,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:24,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:24,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:24,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:24,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:24,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:24,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:24,830 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 13:03:24,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:24,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:24,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:24,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:24,847 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:24,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:24,848 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:24,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:24,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:24,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:24,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:24,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:24,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:24,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:24,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:24,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:24,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:24,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:24,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:24,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:24,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:24,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:24,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:24,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:24,852 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:03:25,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:25,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:25,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:25,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:25,133 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:25,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-07-20 13:03:25,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e913d5eab/264e2468046641f393aef104e2ff69a7/FLAG1a29447ce [2020-07-20 13:03:25,753 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:25,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-07-20 13:03:25,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e913d5eab/264e2468046641f393aef104e2ff69a7/FLAG1a29447ce [2020-07-20 13:03:26,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e913d5eab/264e2468046641f393aef104e2ff69a7 [2020-07-20 13:03:26,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:26,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:26,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:26,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:26,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8e84bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26, skipping insertion in model container [2020-07-20 13:03:26,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:26,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:26,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:26,429 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:26,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:26,649 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26 WrapperNode [2020-07-20 13:03:26,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:26,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:26,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:26,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:26,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:26,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:26,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:26,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:26,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (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 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:03:26,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:26,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:26,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:26,824 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:27,935 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:27,935 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:27,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:27 BoogieIcfgContainer [2020-07-20 13:03:27,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:27,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:27,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:27,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:27,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:26" (1/3) ... [2020-07-20 13:03:27,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626ad1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:27, skipping insertion in model container [2020-07-20 13:03:27,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26" (2/3) ... [2020-07-20 13:03:27,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626ad1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:27, skipping insertion in model container [2020-07-20 13:03:27,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:27" (3/3) ... [2020-07-20 13:03:27,952 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-07-20 13:03:27,963 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:27,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:27,991 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:28,022 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:28,022 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:28,022 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:28,022 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:28,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:28,023 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:28,023 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:28,023 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-20 13:03:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:28,054 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:28,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:28,056 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:28,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:28,063 INFO L82 PathProgramCache]: Analyzing trace with hash 251220135, now seen corresponding path program 1 times [2020-07-20 13:03:28,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:28,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131602889] [2020-07-20 13:03:28,074 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 13:03:28,654 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:28,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:28,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:28,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:28,699 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 13:03:28,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:28,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131602889] [2020-07-20 13:03:28,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:28,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:28,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415785401] [2020-07-20 13:03:28,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:28,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:28,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:28,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:28,724 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2020-07-20 13:03:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:28,760 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2020-07-20 13:03:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:28,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:28,773 INFO L225 Difference]: With dead ends: 220 [2020-07-20 13:03:28,773 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 13:03:28,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 13:03:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 13:03:28,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-20 13:03:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-20 13:03:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-20 13:03:28,829 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-20 13:03:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:28,830 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-20 13:03:28,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-20 13:03:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:28,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:28,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:29,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:29,054 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:29,055 INFO L82 PathProgramCache]: Analyzing trace with hash -128124380, now seen corresponding path program 1 times [2020-07-20 13:03:29,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:29,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062176429] [2020-07-20 13:03:29,057 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 13:03:29,649 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:29,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:29,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:29,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:29,696 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 13:03:29,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:29,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062176429] [2020-07-20 13:03:29,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:29,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:29,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884784511] [2020-07-20 13:03:29,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:29,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:29,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:29,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:29,700 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2020-07-20 13:03:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:29,722 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2020-07-20 13:03:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:29,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:29,725 INFO L225 Difference]: With dead ends: 163 [2020-07-20 13:03:29,726 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 13:03:29,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:03:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 13:03:29,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-20 13:03:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-20 13:03:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-20 13:03:29,741 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-20 13:03:29,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:29,742 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-20 13:03:29,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-20 13:03:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:03:29,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:29,744 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 13:03:29,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:29,958 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:29,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:29,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1051903128, now seen corresponding path program 1 times [2020-07-20 13:03:29,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:29,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110984367] [2020-07-20 13:03:29,960 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 13:03:30,372 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:30,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:30,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:30,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:30,420 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 13:03:30,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:30,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110984367] [2020-07-20 13:03:30,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:30,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:30,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760208997] [2020-07-20 13:03:30,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:30,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:30,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:30,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:30,424 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 3 states. [2020-07-20 13:03:30,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:30,473 INFO L93 Difference]: Finished difference Result 253 states and 303 transitions. [2020-07-20 13:03:30,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:30,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:03:30,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:30,481 INFO L225 Difference]: With dead ends: 253 [2020-07-20 13:03:30,481 INFO L226 Difference]: Without dead ends: 176 [2020-07-20 13:03:30,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:03:30,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-20 13:03:30,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-07-20 13:03:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-20 13:03:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-07-20 13:03:30,536 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-07-20 13:03:30,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:30,537 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-07-20 13:03:30,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-07-20 13:03:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:03:30,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:30,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:30,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:30,745 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:30,745 INFO L82 PathProgramCache]: Analyzing trace with hash -462875738, now seen corresponding path program 1 times [2020-07-20 13:03:30,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:30,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744375415] [2020-07-20 13:03:30,747 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 13:03:31,309 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:31,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:31,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:31,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:31,399 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 13:03:31,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:31,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744375415] [2020-07-20 13:03:31,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:31,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:31,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131444943] [2020-07-20 13:03:31,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:31,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:31,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:31,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:31,402 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 6 states. [2020-07-20 13:03:31,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:31,666 INFO L93 Difference]: Finished difference Result 449 states and 559 transitions. [2020-07-20 13:03:31,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:31,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:03:31,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:31,676 INFO L225 Difference]: With dead ends: 449 [2020-07-20 13:03:31,676 INFO L226 Difference]: Without dead ends: 301 [2020-07-20 13:03:31,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:31,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-07-20 13:03:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-07-20 13:03:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-20 13:03:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 368 transitions. [2020-07-20 13:03:31,723 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 368 transitions. Word has length 57 [2020-07-20 13:03:31,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:31,723 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 368 transitions. [2020-07-20 13:03:31,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 368 transitions. [2020-07-20 13:03:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:03:31,726 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:31,726 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] [2020-07-20 13:03:31,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:31,940 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:31,941 INFO L82 PathProgramCache]: Analyzing trace with hash 882112780, now seen corresponding path program 1 times [2020-07-20 13:03:31,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:31,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503957293] [2020-07-20 13:03:31,942 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 13:03:32,287 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:32,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:32,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:32,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:32,314 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 13:03:32,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:32,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503957293] [2020-07-20 13:03:32,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:32,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:32,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700720388] [2020-07-20 13:03:32,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:32,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:32,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:32,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:32,316 INFO L87 Difference]: Start difference. First operand 301 states and 368 transitions. Second operand 3 states. [2020-07-20 13:03:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:32,351 INFO L93 Difference]: Finished difference Result 388 states and 483 transitions. [2020-07-20 13:03:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:32,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 13:03:32,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:32,353 INFO L225 Difference]: With dead ends: 388 [2020-07-20 13:03:32,353 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:32,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 13:03:32,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:32,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:32,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-20 13:03:32,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:32,356 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:32,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:32,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:32,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:32,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:33,495 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2020-07-20 13:03:33,495 INFO L268 CegarLoopResult]: For program point L663(lines 640 664) no Hoare annotation was computed. [2020-07-20 13:03:33,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2020-07-20 13:03:33,495 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-07-20 13:03:33,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-07-20 13:03:33,496 INFO L268 CegarLoopResult]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point L724(lines 697 725) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-20 13:03:33,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2020-07-20 13:03:33,498 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2020-07-20 13:03:33,498 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2020-07-20 13:03:33,498 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2020-07-20 13:03:33,498 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2020-07-20 13:03:33,499 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2020-07-20 13:03:33,499 INFO L271 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-07-20 13:03:33,499 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-20 13:03:33,499 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-07-20 13:03:33,499 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-07-20 13:03:33,499 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:33,501 INFO L268 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-07-20 13:03:33,501 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:33,501 INFO L268 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-07-20 13:03:33,502 INFO L268 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-07-20 13:03:33,502 INFO L268 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-07-20 13:03:33,502 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:03:33,502 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 13:03:33,502 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,502 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,503 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,503 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,504 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:03:33,504 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:03:33,504 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,504 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,504 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:03:33,505 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:33,506 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 13:03:33,507 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:33,509 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 13:03:33,509 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 13:03:33,510 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2020-07-20 13:03:33,511 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,511 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 13:03:33,512 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-07-20 13:03:33,512 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2020-07-20 13:03:33,512 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2020-07-20 13:03:33,512 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2020-07-20 13:03:33,512 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2020-07-20 13:03:33,512 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2020-07-20 13:03:33,515 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L271 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: true [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-07-20 13:03:33,516 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 458 493) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2020-07-20 13:03:33,517 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2020-07-20 13:03:33,518 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2020-07-20 13:03:33,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2020-07-20 13:03:33,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2020-07-20 13:03:33,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2020-07-20 13:03:33,518 INFO L268 CegarLoopResult]: For program point L897(lines 897 917) no Hoare annotation was computed. [2020-07-20 13:03:33,519 INFO L268 CegarLoopResult]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2020-07-20 13:03:33,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2020-07-20 13:03:33,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2020-07-20 13:03:33,519 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 13:03:33,520 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 438 448) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2020-07-20 13:03:33,521 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2020-07-20 13:03:33,522 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:33,522 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:33,522 INFO L268 CegarLoopResult]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2020-07-20 13:03:33,522 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,522 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,522 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-20 13:03:33,522 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2020-07-20 13:03:33,523 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2020-07-20 13:03:33,523 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 340) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,523 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-07-20 13:03:33,523 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2020-07-20 13:03:33,523 INFO L264 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,523 INFO L264 CegarLoopResult]: At program point L323(line 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,524 INFO L268 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2020-07-20 13:03:33,524 INFO L264 CegarLoopResult]: At program point L321-1(lines 315 328) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,524 INFO L268 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-07-20 13:03:33,524 INFO L268 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-07-20 13:03:33,524 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,524 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-20 13:03:33,524 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-07-20 13:03:33,525 INFO L264 CegarLoopResult]: At program point L330(lines 285 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,525 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,525 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-07-20 13:03:33,525 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-07-20 13:03:33,525 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2020-07-20 13:03:33,525 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 404 411) no Hoare annotation was computed. [2020-07-20 13:03:33,526 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 232 254) no Hoare annotation was computed. [2020-07-20 13:03:33,527 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 530 539) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-20 13:03:33,528 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L785(lines 785 789) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L804(lines 782 805) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L763(lines 763 779) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L823(lines 823 830) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L784(lines 783 803) no Hoare annotation was computed. [2020-07-20 13:03:33,529 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-20 13:03:33,530 INFO L268 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-07-20 13:03:33,530 INFO L268 CegarLoopResult]: For program point L780(lines 780 821) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2020-07-20 13:03:33,531 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L268 CegarLoopResult]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2020-07-20 13:03:33,532 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2020-07-20 13:03:33,532 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: true [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,533 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,533 INFO L268 CegarLoopResult]: For program point L351(lines 350 369) no Hoare annotation was computed. [2020-07-20 13:03:33,534 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,534 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2020-07-20 13:03:33,534 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,534 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2020-07-20 13:03:33,535 INFO L264 CegarLoopResult]: At program point L358(lines 358 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,535 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 13:03:33,535 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 13:03:33,536 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 13:03:33,536 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 13:03:33,536 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 13:03:33,537 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 13:03:33,537 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 13:03:33,537 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 13:03:33,537 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 13:03:33,538 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 13:03:33,538 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2020-07-20 13:03:33,538 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 223 231) no Hoare annotation was computed. [2020-07-20 13:03:33,539 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2020-07-20 13:03:33,539 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2020-07-20 13:03:33,539 INFO L268 CegarLoopResult]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2020-07-20 13:03:33,539 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2020-07-20 13:03:33,539 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 13:03:33,540 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 13:03:33,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,540 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:03:33,540 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:33,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,540 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2020-07-20 13:03:33,541 INFO L268 CegarLoopResult]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2020-07-20 13:03:33,541 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,541 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:03:33,541 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-07-20 13:03:33,541 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2020-07-20 13:03:33,541 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:03:33,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:33 BoogieIcfgContainer [2020-07-20 13:03:33,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:33,573 INFO L168 Benchmark]: Toolchain (without parser) took 7532.45 ms. Allocated memory was 137.4 MB in the beginning and 284.2 MB in the end (delta: 146.8 MB). Free memory was 101.6 MB in the beginning and 157.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,580 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.21 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 172.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,584 INFO L168 Benchmark]: Boogie Preprocessor took 104.17 ms. Allocated memory is still 202.4 MB. Free memory was 172.4 MB in the beginning and 167.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,585 INFO L168 Benchmark]: RCFGBuilder took 1182.16 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 199.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,589 INFO L168 Benchmark]: TraceAbstraction took 5623.68 ms. Allocated memory was 233.3 MB in the beginning and 284.2 MB in the end (delta: 50.9 MB). Free memory was 199.8 MB in the beginning and 157.5 MB in the end (delta: 42.3 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,597 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.21 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 172.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.17 ms. Allocated memory is still 202.4 MB. Free memory was 172.4 MB in the beginning and 167.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1182.16 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 199.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5623.68 ms. Allocated memory was 233.3 MB in the beginning and 284.2 MB in the end (delta: 50.9 MB). Free memory was 199.8 MB in the beginning and 157.5 MB in the end (delta: 42.3 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 604 SDtfs, 218 SDslu, 584 SDs, 0 SdLazy, 82 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 322 PreInvPairs, 337 NumberOfFragments, 521 HoareAnnotationTreeSize, 322 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 23173 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3255 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...