/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:01,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:01,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:01,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:01,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:01,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:01,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:01,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:01,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:01,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:01,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:01,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:01,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:01,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:01,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:01,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:01,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:01,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:01,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:01,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:01,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:01,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:01,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:01,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:01,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:01,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:01,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:01,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:01,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:01,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:01,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:01,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:01,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:01,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:01,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:01,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:01,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:01,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:01,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:01,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:01,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:01,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:25:01,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:01,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:01,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:01,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:01,856 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:01,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:01,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:01,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:01,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:01,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:01,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:01,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:01,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:01,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:01,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:01,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:01,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:01,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:01,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:01,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:01,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:01,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:01,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:01,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:01,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:25:02,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:02,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:02,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:02,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:02,175 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:02,175 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-07-20 16:25:02,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cda6cd4/a95b26a2887648cabec205dd4123da25/FLAG01ee3cb45 [2020-07-20 16:25:02,810 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:02,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-07-20 16:25:02,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cda6cd4/a95b26a2887648cabec205dd4123da25/FLAG01ee3cb45 [2020-07-20 16:25:03,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cda6cd4/a95b26a2887648cabec205dd4123da25 [2020-07-20 16:25:03,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:03,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:03,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:03,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:03,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:03,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77796290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03, skipping insertion in model container [2020-07-20 16:25:03,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:03,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:03,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:03,689 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:03,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:03,799 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:03,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03 WrapperNode [2020-07-20 16:25:03,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:03,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:03,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:03,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:03,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... [2020-07-20 16:25:03,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:03,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:03,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:03,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:03,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:25:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:25:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:05,204 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:05,204 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:05,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:05 BoogieIcfgContainer [2020-07-20 16:25:05,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:05,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:05,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:05,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:05,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:03" (1/3) ... [2020-07-20 16:25:05,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1014709f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:05, skipping insertion in model container [2020-07-20 16:25:05,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:03" (2/3) ... [2020-07-20 16:25:05,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1014709f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:05, skipping insertion in model container [2020-07-20 16:25:05,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:05" (3/3) ... [2020-07-20 16:25:05,224 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-07-20 16:25:05,234 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:05,243 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:05,254 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:05,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:05,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:05,275 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:05,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:05,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:05,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:05,276 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:05,276 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 16:25:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:05,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:05,309 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 16:25:05,310 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:05,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1860559375, now seen corresponding path program 1 times [2020-07-20 16:25:05,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:05,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224973471] [2020-07-20 16:25:05,323 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:05,913 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:05,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:05,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:05,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:05,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:05,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224973471] [2020-07-20 16:25:05,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:05,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:05,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102221171] [2020-07-20 16:25:05,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:05,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:06,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:06,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:06,007 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 16:25:06,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:06,064 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2020-07-20 16:25:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:06,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:06,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:06,081 INFO L225 Difference]: With dead ends: 256 [2020-07-20 16:25:06,081 INFO L226 Difference]: Without dead ends: 128 [2020-07-20 16:25:06,088 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 16:25:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-20 16:25:06,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-20 16:25:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 16:25:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-07-20 16:25:06,145 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2020-07-20 16:25:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:06,146 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-07-20 16:25:06,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-07-20 16:25:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:06,150 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:06,150 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 16:25:06,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:06,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:06,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:06,365 INFO L82 PathProgramCache]: Analyzing trace with hash 344709466, now seen corresponding path program 1 times [2020-07-20 16:25:06,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:06,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283424110] [2020-07-20 16:25:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:06,837 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:06,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:06,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:06,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:06,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:06,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283424110] [2020-07-20 16:25:06,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:06,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:06,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816148594] [2020-07-20 16:25:06,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:06,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:06,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:06,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:06,880 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2020-07-20 16:25:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:06,901 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2020-07-20 16:25:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:06,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:06,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:06,904 INFO L225 Difference]: With dead ends: 199 [2020-07-20 16:25:06,905 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 16:25:06,906 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 16:25:06,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 16:25:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 16:25:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 16:25:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-20 16:25:06,921 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2020-07-20 16:25:06,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:06,922 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-20 16:25:06,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-20 16:25:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:25:06,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:06,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:07,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:07,139 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:07,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:07,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1335502603, now seen corresponding path program 1 times [2020-07-20 16:25:07,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:07,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658748986] [2020-07-20 16:25:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:07,635 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:07,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:07,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:07,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:07,696 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 16:25:07,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:07,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658748986] [2020-07-20 16:25:07,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:07,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:07,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066989605] [2020-07-20 16:25:07,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:07,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:07,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:07,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:07,699 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 6 states. [2020-07-20 16:25:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:07,952 INFO L93 Difference]: Finished difference Result 298 states and 364 transitions. [2020-07-20 16:25:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:07,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-20 16:25:07,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:07,957 INFO L225 Difference]: With dead ends: 298 [2020-07-20 16:25:07,957 INFO L226 Difference]: Without dead ends: 203 [2020-07-20 16:25:07,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 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 16:25:07,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-20 16:25:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-07-20 16:25:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-20 16:25:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 244 transitions. [2020-07-20 16:25:07,985 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 244 transitions. Word has length 51 [2020-07-20 16:25:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:07,987 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 244 transitions. [2020-07-20 16:25:07,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 244 transitions. [2020-07-20 16:25:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 16:25:07,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:07,995 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] [2020-07-20 16:25:08,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:08,211 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:08,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:08,212 INFO L82 PathProgramCache]: Analyzing trace with hash 873218001, now seen corresponding path program 1 times [2020-07-20 16:25:08,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:08,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881090314] [2020-07-20 16:25:08,214 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:08,710 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:08,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:08,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-20 16:25:08,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:08,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:08,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881090314] [2020-07-20 16:25:08,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:08,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:08,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290744406] [2020-07-20 16:25:08,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:08,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:08,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:08,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:08,739 INFO L87 Difference]: Start difference. First operand 203 states and 244 transitions. Second operand 3 states. [2020-07-20 16:25:08,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:08,761 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2020-07-20 16:25:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:08,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-20 16:25:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:08,764 INFO L225 Difference]: With dead ends: 253 [2020-07-20 16:25:08,766 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:08,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:08,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:08,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-07-20 16:25:08,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:08,773 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:08,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:08,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:08,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:08,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:09,558 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 16:25:09,558 INFO L268 CegarLoopResult]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2020-07-20 16:25:09,558 INFO L268 CegarLoopResult]: For program point L278(lines 255 279) no Hoare annotation was computed. [2020-07-20 16:25:09,558 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2020-07-20 16:25:09,558 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2020-07-20 16:25:09,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2020-07-20 16:25:09,560 INFO L268 CegarLoopResult]: For program point L339(lines 312 340) no Hoare annotation was computed. [2020-07-20 16:25:09,560 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2020-07-20 16:25:09,560 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-07-20 16:25:09,560 INFO L268 CegarLoopResult]: For program point L332-1(line 332) no Hoare annotation was computed. [2020-07-20 16:25:09,560 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2020-07-20 16:25:09,561 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-07-20 16:25:09,561 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-07-20 16:25:09,561 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 16:25:09,561 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 16:25:09,561 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 16:25:09,561 INFO L268 CegarLoopResult]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2020-07-20 16:25:09,561 INFO L271 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: true [2020-07-20 16:25:09,562 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-07-20 16:25:09,562 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2020-07-20 16:25:09,562 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2020-07-20 16:25:09,562 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,562 INFO L268 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-07-20 16:25:09,562 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,562 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-20 16:25:09,563 INFO L268 CegarLoopResult]: For program point L930(lines 930 943) no Hoare annotation was computed. [2020-07-20 16:25:09,563 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:25:09,563 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 16:25:09,563 INFO L264 CegarLoopResult]: At program point L127(line 127) 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 16:25:09,563 INFO L264 CegarLoopResult]: At program point L126(line 126) 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 16:25:09,563 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) 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 16:25:09,564 INFO L264 CegarLoopResult]: At program point L126-1(line 126) 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 16:25:09,564 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:25:09,564 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:25:09,564 INFO L264 CegarLoopResult]: At program point L132(line 132) 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 16:25:09,564 INFO L264 CegarLoopResult]: At program point L132-1(line 132) 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 16:25:09,564 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:25:09,564 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:09,582 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 16:25:09,582 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 16:25:09,583 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 16:25:09,584 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,584 INFO L268 CegarLoopResult]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2020-07-20 16:25:09,585 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,585 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,585 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-20 16:25:09,585 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,585 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,585 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-07-20 16:25:09,585 INFO L268 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-07-20 16:25:09,586 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2020-07-20 16:25:09,586 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2020-07-20 16:25:09,586 INFO L264 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,586 INFO L268 CegarLoopResult]: For program point L909(lines 909 915) no Hoare annotation was computed. [2020-07-20 16:25:09,586 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,586 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2020-07-20 16:25:09,586 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:25:09,587 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2020-07-20 16:25:09,587 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2020-07-20 16:25:09,587 INFO L268 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2020-07-20 16:25:09,587 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-20 16:25:09,587 INFO L268 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2020-07-20 16:25:09,587 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-20 16:25:09,587 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2020-07-20 16:25:09,587 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point L857(lines 857 865) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2020-07-20 16:25:09,588 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point L869(lines 869 877) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2020-07-20 16:25:09,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point L512(lines 512 532) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point L518(lines 518 525) no Hoare annotation was computed. [2020-07-20 16:25:09,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2020-07-20 16:25:09,591 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) 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 16:25:09,591 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:25:09,591 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:25:09,591 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2020-07-20 16:25:09,591 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2020-07-20 16:25:09,591 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2020-07-20 16:25:09,591 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-20 16:25:09,591 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 16:25:09,592 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2020-07-20 16:25:09,592 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2020-07-20 16:25:09,592 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2020-07-20 16:25:09,592 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,592 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2020-07-20 16:25:09,592 INFO L268 CegarLoopResult]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2020-07-20 16:25:09,592 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,593 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,593 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,593 INFO L268 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-07-20 16:25:09,593 INFO L264 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:25:09,593 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 16:25:09,593 INFO L268 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2020-07-20 16:25:09,593 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2020-07-20 16:25:09,594 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2020-07-20 16:25:09,594 INFO L264 CegarLoopResult]: At program point testENTRY(lines 640 705) 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 16:25:09,594 INFO L264 CegarLoopResult]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:09,594 INFO L268 CegarLoopResult]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2020-07-20 16:25:09,594 INFO L264 CegarLoopResult]: At program point L688(line 688) 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)|))) [2020-07-20 16:25:09,594 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-07-20 16:25:09,594 INFO L264 CegarLoopResult]: At program point L686-1(lines 680 693) 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)|))) [2020-07-20 16:25:09,595 INFO L268 CegarLoopResult]: For program point L651(lines 650 697) no Hoare annotation was computed. [2020-07-20 16:25:09,595 INFO L268 CegarLoopResult]: For program point L680(lines 680 693) no Hoare annotation was computed. [2020-07-20 16:25:09,595 INFO L264 CegarLoopResult]: At program point L672(line 672) 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)|))) [2020-07-20 16:25:09,595 INFO L268 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-07-20 16:25:09,595 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2020-07-20 16:25:09,595 INFO L264 CegarLoopResult]: At program point L695(lines 650 697) 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)|))) [2020-07-20 16:25:09,595 INFO L264 CegarLoopResult]: At program point L662(line 662) 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)|))) [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point L472(lines 472 479) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2020-07-20 16:25:09,596 INFO L268 CegarLoopResult]: For program point L466(lines 466 486) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2020-07-20 16:25:09,597 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2020-07-20 16:25:09,597 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point L605(lines 605 613) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-07-20 16:25:09,598 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L378(lines 378 394) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L399(lines 398 418) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-07-20 16:25:09,599 INFO L268 CegarLoopResult]: For program point L395(lines 395 436) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L437(lines 437 448) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2020-07-20 16:25:09,600 INFO L268 CegarLoopResult]: For program point L419(lines 397 420) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 16:25:09,601 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-20 16:25:09,602 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2020-07-20 16:25:09,602 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2020-07-20 16:25:09,602 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2020-07-20 16:25:09,602 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2020-07-20 16:25:09,602 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2020-07-20 16:25:09,602 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-07-20 16:25:09,602 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-07-20 16:25:09,603 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,603 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,603 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,603 INFO L264 CegarLoopResult]: At program point L727(line 727) 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 16:25:09,603 INFO L264 CegarLoopResult]: At program point L725(lines 725 731) 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 16:25:09,603 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:09,603 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 714 737) 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 16:25:09,604 INFO L268 CegarLoopResult]: For program point L718(lines 717 736) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 16:25:09,604 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 16:25:09,604 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 16:25:09,605 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 16:25:09,605 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 16:25:09,605 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 16:25:09,605 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 16:25:09,605 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 16:25:09,605 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2020-07-20 16:25:09,605 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2020-07-20 16:25:09,605 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2020-07-20 16:25:09,606 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2020-07-20 16:25:09,606 INFO L268 CegarLoopResult]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2020-07-20 16:25:09,606 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2020-07-20 16:25:09,606 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 16:25:09,606 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 16:25:09,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,606 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:09,606 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:09,607 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:09,607 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2020-07-20 16:25:09,607 INFO L268 CegarLoopResult]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2020-07-20 16:25:09,607 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:25:09,607 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2020-07-20 16:25:09,607 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2020-07-20 16:25:09,607 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2020-07-20 16:25:09,608 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2020-07-20 16:25:09,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:09 BoogieIcfgContainer [2020-07-20 16:25:09,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:09,627 INFO L168 Benchmark]: Toolchain (without parser) took 6561.08 ms. Allocated memory was 144.7 MB in the beginning and 282.6 MB in the end (delta: 137.9 MB). Free memory was 101.7 MB in the beginning and 237.9 MB in the end (delta: -136.2 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,627 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.53 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,630 INFO L168 Benchmark]: Boogie Preprocessor took 105.60 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,631 INFO L168 Benchmark]: RCFGBuilder took 1307.98 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.2 MB in the beginning and 193.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,632 INFO L168 Benchmark]: TraceAbstraction took 4407.73 ms. Allocated memory was 234.4 MB in the beginning and 282.6 MB in the end (delta: 48.2 MB). Free memory was 193.5 MB in the beginning and 237.9 MB in the end (delta: -44.4 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:09,636 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.53 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.60 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.98 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.2 MB in the beginning and 193.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4407.73 ms. Allocated memory was 234.4 MB in the beginning and 282.6 MB in the end (delta: 48.2 MB). Free memory was 193.5 MB in the beginning and 237.9 MB in the end (delta: -44.4 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 530 SDtfs, 146 SDslu, 602 SDs, 0 SdLazy, 89 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 270 PreInvPairs, 278 NumberOfFragments, 475 HoareAnnotationTreeSize, 270 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 159 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 199 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 17697 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2559 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...