/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_spec3_product10.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 16:24:01,902 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:24:01,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:24:01,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:24:01,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:24:01,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:24:01,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:24:01,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:24:01,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:24:01,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:24:01,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:24:01,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:24:01,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:24:01,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:24:01,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:24:01,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:24:01,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:24:01,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:24:01,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:24:01,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:24:01,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:24:01,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:24:01,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:24:01,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:24:01,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:24:01,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:24:01,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:24:01,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:24:01,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:24:01,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:24:01,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:24:01,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:24:01,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:24:01,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:24:01,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:24:01,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:24:01,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:24:01,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:24:01,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:24:01,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:24:01,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:24:01,987 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 16:24:02,020 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 16:24:02,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:24:02,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:24:02,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 16:24:02,023 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 16:24:02,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:24:02,023 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 16:24:02,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 16:24:02,024 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 16:24:02,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 16:24:02,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:24:02,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:24:02,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:24:02,026 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 16:24:02,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 16:24:02,027 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 16:24:02,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:24:02,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:24:02,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 16:24:02,028 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 16:24:02,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 16:24:02,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:24:02,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:24:02,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:24:02,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:24:02,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 16:24:02,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:02,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:24:02,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 16:24:02,029 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 16:24:02,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:24:02,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:24:02,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:24:02,351 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 16:24:02,353 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 16:24:02,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c
[2020-07-20 16:24:02,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3f54dd5/00fa21d19bb4453f96758e4074fce88f/FLAG1a8b548f5
[2020-07-20 16:24:02,997 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 16:24:03,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c
[2020-07-20 16:24:03,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3f54dd5/00fa21d19bb4453f96758e4074fce88f/FLAG1a8b548f5
[2020-07-20 16:24:03,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3f54dd5/00fa21d19bb4453f96758e4074fce88f
[2020-07-20 16:24:03,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:24:03,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:24:03,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:03,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:24:03,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:24:03,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dbf883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03, skipping insertion in model container
[2020-07-20 16:24:03,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 16:24:03,325 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:24:03,625 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:03,637 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 16:24:03,815 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:03,846 INFO L208 MainTranslator]: Completed translation
[2020-07-20 16:24:03,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03 WrapperNode
[2020-07-20 16:24:03,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:03,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:24:03,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:24:03,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:24:03,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (1/1) ...
[2020-07-20 16:24:03,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:24:03,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:24:03,978 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:24:03,979 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:24:03,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (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 16:24:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:24:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:24:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:24:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:24:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:24:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:24:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:24:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:24:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:24:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:24:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:24:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:24:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:24:04,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:24:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:24:04,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:24:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:24:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:24:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:24:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-07-20 16:24:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:24:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:24:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:24:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:24:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:24:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:24:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:24:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:24:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:24:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:24:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:24:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:24:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:24:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:24:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:24:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:24:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:24:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:24:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:24:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:24:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:24:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:24:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:24:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:24:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:24:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:24:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:24:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:24:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:24:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:24:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:24:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:24:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:24:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:24:05,105 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:24:05,107 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:24:05,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:05 BoogieIcfgContainer
[2020-07-20 16:24:05,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:24:05,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:24:05,114 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:24:05,117 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:24:05,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:03" (1/3) ...
[2020-07-20 16:24:05,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df12406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:05, skipping insertion in model container
[2020-07-20 16:24:05,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:03" (2/3) ...
[2020-07-20 16:24:05,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df12406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:05, skipping insertion in model container
[2020-07-20 16:24:05,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:05" (3/3) ...
[2020-07-20 16:24:05,121 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c
[2020-07-20 16:24:05,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:24:05,139 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:24:05,153 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:24:05,179 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:24:05,179 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 16:24:05,179 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:24:05,179 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:24:05,180 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:24:05,180 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 16:24:05,181 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:24:05,181 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:24:05,204 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states.
[2020-07-20 16:24:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 16:24:05,213 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:05,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:24:05,215 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:05,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1414244218, now seen corresponding path program 1 times
[2020-07-20 16:24:05,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:05,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557707001]
[2020-07-20 16:24:05,231 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 16:24:05,715 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:05,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:05,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:24:05,731 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:05,762 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 16:24:05,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:05,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557707001]
[2020-07-20 16:24:05,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:05,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:24:05,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427229742]
[2020-07-20 16:24:05,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:24:05,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:05,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:24:05,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:24:05,789 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states.
[2020-07-20 16:24:05,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:05,827 INFO L93 Difference]: Finished difference Result 182 states and 227 transitions.
[2020-07-20 16:24:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 16:24:05,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 16:24:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:05,839 INFO L225 Difference]: With dead ends: 182
[2020-07-20 16:24:05,840 INFO L226 Difference]: Without dead ends: 91
[2020-07-20 16:24:05,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 16:24:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2020-07-20 16:24:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2020-07-20 16:24:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states.
[2020-07-20 16:24:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions.
[2020-07-20 16:24:05,900 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52
[2020-07-20 16:24:05,900 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:05,900 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions.
[2020-07-20 16:24:05,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:24:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions.
[2020-07-20 16:24:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 16:24:05,908 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:05,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:24:06,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:06,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:06,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:06,112 INFO L82 PathProgramCache]: Analyzing trace with hash -803860910, now seen corresponding path program 1 times
[2020-07-20 16:24:06,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:06,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596667181]
[2020-07-20 16:24:06,113 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 16:24:06,516 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:06,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:06,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:24:06,529 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:06,580 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 16:24:06,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:06,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596667181]
[2020-07-20 16:24:06,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:06,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:06,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757674057]
[2020-07-20 16:24:06,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:06,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:06,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:06,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:06,585 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 3 states.
[2020-07-20 16:24:06,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:06,609 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions.
[2020-07-20 16:24:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:06,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 16:24:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:06,616 INFO L225 Difference]: With dead ends: 127
[2020-07-20 16:24:06,616 INFO L226 Difference]: Without dead ends: 82
[2020-07-20 16:24:06,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 16:24:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2020-07-20 16:24:06,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2020-07-20 16:24:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states.
[2020-07-20 16:24:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions.
[2020-07-20 16:24:06,642 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53
[2020-07-20 16:24:06,643 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:06,646 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions.
[2020-07-20 16:24:06,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions.
[2020-07-20 16:24:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 16:24:06,649 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:06,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:24:06,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:06,866 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:06,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash 9396391, now seen corresponding path program 1 times
[2020-07-20 16:24:06,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:06,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507239945]
[2020-07-20 16:24:06,869 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 16:24:07,215 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:07,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:07,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:24:07,224 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:07,262 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 16:24:07,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:07,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507239945]
[2020-07-20 16:24:07,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:07,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:07,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329186811]
[2020-07-20 16:24:07,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:07,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:07,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:07,265 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states.
[2020-07-20 16:24:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:07,279 INFO L93 Difference]: Finished difference Result 140 states and 163 transitions.
[2020-07-20 16:24:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:07,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-20 16:24:07,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:07,281 INFO L225 Difference]: With dead ends: 140
[2020-07-20 16:24:07,282 INFO L226 Difference]: Without dead ends: 82
[2020-07-20 16:24:07,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 16:24:07,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2020-07-20 16:24:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2020-07-20 16:24:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states.
[2020-07-20 16:24:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions.
[2020-07-20 16:24:07,291 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58
[2020-07-20 16:24:07,291 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:07,291 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions.
[2020-07-20 16:24:07,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions.
[2020-07-20 16:24:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-07-20 16:24:07,294 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:07,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:24:07,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:07,509 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash 446188768, now seen corresponding path program 1 times
[2020-07-20 16:24:07,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:07,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051558164]
[2020-07-20 16:24:07,510 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 16:24:07,915 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:07,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:07,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 16:24:07,926 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:07,984 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 16:24:07,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:07,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051558164]
[2020-07-20 16:24:07,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:07,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:24:07,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538739777]
[2020-07-20 16:24:07,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:24:07,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:07,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:24:07,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:24:07,987 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states.
[2020-07-20 16:24:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:08,182 INFO L93 Difference]: Finished difference Result 189 states and 226 transitions.
[2020-07-20 16:24:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 16:24:08,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61
[2020-07-20 16:24:08,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:08,187 INFO L225 Difference]: With dead ends: 189
[2020-07-20 16:24:08,188 INFO L226 Difference]: Without dead ends: 131
[2020-07-20 16:24:08,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 16:24:08,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2020-07-20 16:24:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129.
[2020-07-20 16:24:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states.
[2020-07-20 16:24:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions.
[2020-07-20 16:24:08,205 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 61
[2020-07-20 16:24:08,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:08,205 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions.
[2020-07-20 16:24:08,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:24:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions.
[2020-07-20 16:24:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 16:24:08,208 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:08,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:24:08,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:08,424 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:08,425 INFO L82 PathProgramCache]: Analyzing trace with hash 993675046, now seen corresponding path program 1 times
[2020-07-20 16:24:08,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:08,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301814]
[2020-07-20 16:24:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:08,878 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:08,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 16:24:08,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 16:24:08,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:09,225 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 16:24:09,225 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 16:24:09,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:09 BoogieIcfgContainer
[2020-07-20 16:24:09,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:24:09,637 INFO L168 Benchmark]: Toolchain (without parser) took 6381.71 ms. Allocated memory was 138.4 MB in the beginning and 281.0 MB in the end (delta: 142.6 MB). Free memory was 101.4 MB in the beginning and 240.0 MB in the end (delta: -138.6 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,638 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 173.6 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,640 INFO L168 Benchmark]: Boogie Preprocessor took 130.90 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 169.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,641 INFO L168 Benchmark]: RCFGBuilder took 1134.30 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 202.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,643 INFO L168 Benchmark]: TraceAbstraction took 4520.80 ms. Allocated memory was 235.9 MB in the beginning and 281.0 MB in the end (delta: 45.1 MB). Free memory was 202.7 MB in the beginning and 240.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:09,647 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.56 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 590.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 173.6 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 130.90 ms. Allocated memory is still 202.4 MB. Free memory was 173.6 MB in the beginning and 169.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1134.30 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 202.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4520.80 ms. Allocated memory was 235.9 MB in the beginning and 281.0 MB in the end (delta: 45.1 MB). Free memory was 202.7 MB in the beginning and 240.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L84] int waterLevel = 1;
[L85] int methaneLevelCritical = 0;
[L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L613] int pumpRunning = 0;
[L614] int systemActive = 1;
[L781] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=96, \old(head)=39, \old(head)=83, \old(methaneLevelCritical)=63, \old(pumpRunning)=48, \old(systemActive)=87, \old(waterLevel)=61, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L854] int retValue_acc ;
[L855] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L859] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L860] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L861] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L861] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L861] tmp = valid_product()
[L863] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L865] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L866] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L848] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L543] int splverifierCounter ;
[L544] int tmp ;
[L545] int tmp___0 ;
[L546] int tmp___1 ;
[L547] int tmp___2 ;
[L550] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L552] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L554] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L560] tmp = __VERIFIER_nondet_int()
[L562] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L564] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L102] COND TRUE waterLevel < 2
[L103] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L564] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L570] tmp___0 = __VERIFIER_nondet_int()
[L572] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L580] tmp___2 = __VERIFIER_nondet_int()
[L582] COND FALSE !(\read(tmp___2))
[L588] tmp___1 = __VERIFIER_nondet_int()
[L590] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L597] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L621] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L628] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L630] FCALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L636] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L748] int tmp ;
[L749] int tmp___0 ;
[L750] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L754] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L123] int retValue_acc ;
[L126] retValue_acc = methaneLevelCritical
[L127] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L754] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L754] tmp = isMethaneLevelCritical()
[L756] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L760] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L155] int retValue_acc ;
[L158] retValue_acc = waterLevel
[L159] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L760] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L760] tmp___0 = getWaterLevel()
[L762] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L764] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L694] int retValue_acc ;
[L697] retValue_acc = pumpRunning
[L698] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L764] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L764] tmp___1 = isPumpRunning()
[L766] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L770] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L168] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 399 SDtfs, 99 SDslu, 400 SDs, 0 SdLazy, 66 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 289 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 22838 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2553 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...