/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_product14.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-d623d84
[2020-07-20 16:24:04,125 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:24:04,127 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:24:04,139 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:24:04,139 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:24:04,140 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:24:04,141 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:24:04,143 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:24:04,145 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:24:04,146 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:24:04,146 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:24:04,148 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:24:04,148 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:24:04,149 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:24:04,150 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:24:04,151 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:24:04,152 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:24:04,153 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:24:04,154 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:24:04,156 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:24:04,157 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:24:04,158 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:24:04,159 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:24:04,160 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:24:04,163 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:24:04,163 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:24:04,163 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:24:04,164 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:24:04,164 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:24:04,165 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:24:04,166 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:24:04,166 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:24:04,167 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:24:04,168 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:24:04,169 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:24:04,169 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:24:04,170 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:24:04,170 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:24:04,170 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:24:04,171 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:24:04,171 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:24:04,172 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 16:24:04,186 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 16:24:04,187 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:24:04,188 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:24:04,188 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 16:24:04,188 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 16:24:04,189 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:24:04,189 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 16:24:04,189 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 16:24:04,189 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 16:24:04,189 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 16:24:04,190 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 16:24:04,191 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:24:04,191 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:24:04,191 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 16:24:04,191 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 16:24:04,191 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 16:24:04,192 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:24:04,192 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:24:04,192 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:24:04,192 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:24:04,192 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 16:24:04,193 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:04,193 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:24:04,193 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 16:24:04,193 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 16:24:04,492 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:24:04,508 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:24:04,513 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:24:04,515 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 16:24:04,515 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 16:24:04,517 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c
[2020-07-20 16:24:04,596 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40fa54a3/fe0ace51ebbd4241bc55d2769b5eaa37/FLAG3ee0277db
[2020-07-20 16:24:05,090 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 16:24:05,091 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c
[2020-07-20 16:24:05,104 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40fa54a3/fe0ace51ebbd4241bc55d2769b5eaa37/FLAG3ee0277db
[2020-07-20 16:24:05,400 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40fa54a3/fe0ace51ebbd4241bc55d2769b5eaa37
[2020-07-20 16:24:05,408 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:24:05,411 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:24:05,412 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:05,412 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:24:05,415 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:24:05,416 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:05" (1/1) ...
[2020-07-20 16:24:05,420 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:05, skipping insertion in model container
[2020-07-20 16:24:05,420 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:05" (1/1) ...
[2020-07-20 16:24:05,430 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 16:24:05,474 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:24:05,828 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:05,848 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 16:24:06,037 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:06,072 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 16:24:06,073 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06 WrapperNode
[2020-07-20 16:24:06,073 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:06,074 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:24:06,074 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:24:06,074 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:24:06,087 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,088 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,107 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,108 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,138 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,148 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,159 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (1/1) ...
[2020-07-20 16:24:06,168 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:24:06,175 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:24:06,176 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:24:06,176 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:24:06,177 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (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 16:24:06,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:24:06,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:24:06,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:06,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:24:06,235 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-07-20 16:24:06,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:24:06,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:24:06,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:24:06,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:24:06,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:24:06,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:24:06,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:24:06,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:24:06,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:24:06,240 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:06,241 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:24:06,242 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:24:06,243 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:24:06,243 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 16:24:06,243 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:24:06,243 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-07-20 16:24:06,243 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:24:06,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:24:06,245 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:24:06,246 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:24:06,247 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:24:07,251 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:24:07,251 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:24:07,256 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:07 BoogieIcfgContainer
[2020-07-20 16:24:07,257 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:24:07,258 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:24:07,258 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:24:07,262 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:24:07,262 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:05" (1/3) ...
[2020-07-20 16:24:07,263 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db0ce4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:07, skipping insertion in model container
[2020-07-20 16:24:07,263 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:06" (2/3) ...
[2020-07-20 16:24:07,263 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db0ce4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:07, skipping insertion in model container
[2020-07-20 16:24:07,264 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:07" (3/3) ...
[2020-07-20 16:24:07,266 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c
[2020-07-20 16:24:07,276 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:24:07,284 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:24:07,298 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:24:07,323 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:24:07,323 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 16:24:07,323 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:24:07,324 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:24:07,324 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:24:07,324 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 16:24:07,324 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:24:07,325 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:24:07,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states.
[2020-07-20 16:24:07,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 16:24:07,356 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:24:07,357 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 16:24:07,358 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:07,363 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:07,363 INFO  L82        PathProgramCache]: Analyzing trace with hash 940922037, now seen corresponding path program 1 times
[2020-07-20 16:24:07,372 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:07,372 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432447788]
[2020-07-20 16:24:07,373 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 16:24:07,893 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:07,893 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:07,903 INFO  L263         TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:24:07,912 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:07,944 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 16:24:07,945 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:07,946 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432447788]
[2020-07-20 16:24:07,947 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:07,947 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:24:07,948 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820750634]
[2020-07-20 16:24:07,953 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:24:07,954 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:07,968 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:24:07,969 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:24:07,972 INFO  L87              Difference]: Start difference. First operand 160 states. Second operand 2 states.
[2020-07-20 16:24:08,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:08,012 INFO  L93              Difference]: Finished difference Result 218 states and 271 transitions.
[2020-07-20 16:24:08,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 16:24:08,013 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 16:24:08,014 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:08,027 INFO  L225             Difference]: With dead ends: 218
[2020-07-20 16:24:08,027 INFO  L226             Difference]: Without dead ends: 109
[2020-07-20 16:24:08,031 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 16:24:08,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-07-20 16:24:08,080 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2020-07-20 16:24:08,081 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-07-20 16:24:08,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions.
[2020-07-20 16:24:08,085 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52
[2020-07-20 16:24:08,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:08,087 INFO  L479      AbstractCegarLoop]: Abstraction has 109 states and 127 transitions.
[2020-07-20 16:24:08,087 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:24:08,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions.
[2020-07-20 16:24:08,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 16:24:08,095 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:24:08,095 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 16:24:08,296 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:08,297 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:08,298 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:08,298 INFO  L82        PathProgramCache]: Analyzing trace with hash -110013257, now seen corresponding path program 1 times
[2020-07-20 16:24:08,299 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:08,299 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627565813]
[2020-07-20 16:24:08,300 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 16:24:08,833 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:08,834 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:08,840 INFO  L263         TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:24:08,845 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:08,889 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 16:24:08,889 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:08,890 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627565813]
[2020-07-20 16:24:08,890 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:08,890 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:08,891 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921203694]
[2020-07-20 16:24:08,893 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:08,893 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:08,894 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:08,895 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:08,895 INFO  L87              Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states.
[2020-07-20 16:24:08,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:08,930 INFO  L93              Difference]: Finished difference Result 163 states and 189 transitions.
[2020-07-20 16:24:08,930 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:24:08,931 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 16:24:08,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:08,935 INFO  L225             Difference]: With dead ends: 163
[2020-07-20 16:24:08,936 INFO  L226             Difference]: Without dead ends: 100
[2020-07-20 16:24:08,938 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 16:24:08,938 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2020-07-20 16:24:08,958 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2020-07-20 16:24:08,959 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 100 states.
[2020-07-20 16:24:08,962 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions.
[2020-07-20 16:24:08,963 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53
[2020-07-20 16:24:08,963 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:08,965 INFO  L479      AbstractCegarLoop]: Abstraction has 100 states and 115 transitions.
[2020-07-20 16:24:08,965 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:08,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions.
[2020-07-20 16:24:08,968 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 16:24:08,968 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:24:08,969 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 16:24:09,183 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:09,184 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:09,185 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:09,186 INFO  L82        PathProgramCache]: Analyzing trace with hash -829955057, now seen corresponding path program 1 times
[2020-07-20 16:24:09,186 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:09,187 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855166921]
[2020-07-20 16:24:09,187 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 16:24:09,603 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:09,603 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:09,610 INFO  L263         TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:24:09,617 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:09,641 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 16:24:09,642 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:09,642 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855166921]
[2020-07-20 16:24:09,642 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:09,642 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:09,643 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685676102]
[2020-07-20 16:24:09,643 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:09,644 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:09,644 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:09,644 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:09,644 INFO  L87              Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states.
[2020-07-20 16:24:09,672 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:09,672 INFO  L93              Difference]: Finished difference Result 176 states and 207 transitions.
[2020-07-20 16:24:09,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:24:09,673 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-20 16:24:09,673 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:09,674 INFO  L225             Difference]: With dead ends: 176
[2020-07-20 16:24:09,674 INFO  L226             Difference]: Without dead ends: 100
[2020-07-20 16:24:09,676 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 16:24:09,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2020-07-20 16:24:09,684 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2020-07-20 16:24:09,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 100 states.
[2020-07-20 16:24:09,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions.
[2020-07-20 16:24:09,686 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58
[2020-07-20 16:24:09,686 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:09,686 INFO  L479      AbstractCegarLoop]: Abstraction has 100 states and 114 transitions.
[2020-07-20 16:24:09,686 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:09,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions.
[2020-07-20 16:24:09,688 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-07-20 16:24:09,689 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:24:09,689 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, 1]
[2020-07-20 16:24:09,902 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:09,903 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:09,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:09,904 INFO  L82        PathProgramCache]: Analyzing trace with hash -715130014, now seen corresponding path program 1 times
[2020-07-20 16:24:09,904 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:09,905 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867491025]
[2020-07-20 16:24:09,906 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 16:24:10,344 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:10,345 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:10,355 INFO  L263         TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 16:24:10,359 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:10,403 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 16:24:10,403 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:10,404 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867491025]
[2020-07-20 16:24:10,404 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:10,404 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:24:10,404 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333257333]
[2020-07-20 16:24:10,405 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:24:10,405 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:10,405 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:24:10,406 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:24:10,406 INFO  L87              Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states.
[2020-07-20 16:24:10,601 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:10,602 INFO  L93              Difference]: Finished difference Result 243 states and 292 transitions.
[2020-07-20 16:24:10,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 16:24:10,602 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 66
[2020-07-20 16:24:10,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:10,605 INFO  L225             Difference]: With dead ends: 243
[2020-07-20 16:24:10,606 INFO  L226             Difference]: Without dead ends: 167
[2020-07-20 16:24:10,607 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 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 16:24:10,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 167 states.
[2020-07-20 16:24:10,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165.
[2020-07-20 16:24:10,625 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 165 states.
[2020-07-20 16:24:10,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 194 transitions.
[2020-07-20 16:24:10,626 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 194 transitions. Word has length 66
[2020-07-20 16:24:10,627 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:10,627 INFO  L479      AbstractCegarLoop]: Abstraction has 165 states and 194 transitions.
[2020-07-20 16:24:10,627 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:24:10,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions.
[2020-07-20 16:24:10,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-20 16:24:10,629 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:24:10,630 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, 1, 1, 1, 1, 1]
[2020-07-20 16:24:10,843 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:10,844 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:10,844 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:10,845 INFO  L82        PathProgramCache]: Analyzing trace with hash 1182747068, now seen corresponding path program 1 times
[2020-07-20 16:24:10,845 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:10,846 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732368549]
[2020-07-20 16:24:10,846 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 16:24:11,213 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:11,214 INFO  L229   tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 16:24:11,214 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:11,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 16:24:11,313 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:11,557 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 16:24:11,557 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 16:24:11,765 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:11,945 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:11 BoogieIcfgContainer
[2020-07-20 16:24:11,946 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:24:11,949 INFO  L168              Benchmark]: Toolchain (without parser) took 6538.13 ms. Allocated memory was 144.2 MB in the beginning and 291.5 MB in the end (delta: 147.3 MB). Free memory was 101.4 MB in the beginning and 249.3 MB in the end (delta: -147.8 MB). Peak memory consumption was 122.3 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,950 INFO  L168              Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,951 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 661.45 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 172.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,952 INFO  L168              Benchmark]: Boogie Preprocessor took 94.90 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 168.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,953 INFO  L168              Benchmark]: RCFGBuilder took 1081.58 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 168.0 MB in the beginning and 200.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,954 INFO  L168              Benchmark]: TraceAbstraction took 4687.79 ms. Allocated memory was 232.8 MB in the beginning and 291.5 MB in the end (delta: 58.7 MB). Free memory was 200.8 MB in the beginning and 249.3 MB in the end (delta: -48.5 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:11,959 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.48 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 661.45 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 172.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 94.90 ms. Allocated memory is still 201.9 MB. Free memory was 172.3 MB in the beginning and 168.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1081.58 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 168.0 MB in the beginning and 200.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4687.79 ms. Allocated memory was 232.8 MB in the beginning and 291.5 MB in the end (delta: 58.7 MB). Free memory was 200.8 MB in the beginning and 249.3 MB in the end (delta: -48.5 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L131]              int pumpRunning  =    0;
[L132]              int systemActive  =    1;
[L458]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L725]              int cleanupTimeShifts  =    4;
[L821]              int waterLevel  =    1;
[L822]              int methaneLevelCritical  =    0;
        VAL         [\old(cleanupTimeShifts)=47, \old(head)=60, \old(head)=65, \old(methaneLevelCritical)=83, \old(pumpRunning)=54, \old(systemActive)=69, \old(waterLevel)=20, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L798]              int retValue_acc ;
[L799]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L803]  FCALL       select_helpers()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L804]  FCALL       select_features()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L805]  CALL, EXPR  valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L78]               int retValue_acc ;
[L81]               retValue_acc = 1
[L82]               return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L805]  RET, EXPR   valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L805]              tmp = valid_product()
[L807]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L809]  FCALL       setup()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L810]  CALL        runTest()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L792]  CALL        test()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L659]              int splverifierCounter ;
[L660]              int tmp ;
[L661]              int tmp___0 ;
[L662]              int tmp___1 ;
[L663]              int tmp___2 ;
[L666]              splverifierCounter = 0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L668]  COND TRUE   1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L670]  COND TRUE   splverifierCounter < 4
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L676]              tmp = __VERIFIER_nondet_int()
[L678]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1]
[L680]  CALL        waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L839]  COND TRUE   waterLevel < 2
[L840]              waterLevel = waterLevel + 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L680]  RET         waterRise()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2]
[L686]              tmp___0 = __VERIFIER_nondet_int()
[L688]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L696]              tmp___2 = __VERIFIER_nondet_int()
[L698]  COND FALSE  !(\read(tmp___2))
[L704]              tmp___1 = __VERIFIER_nondet_int()
[L706]  COND TRUE   \read(tmp___1)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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=-1, tmp___2=0, waterLevel=2]
[L713]  CALL        timeShift()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L138]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L145]  COND TRUE   \read(systemActive)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L147]  CALL        processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L167]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L170]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L185]  FCALL       processEnvironment__wrappee__methaneQuery()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L147]  RET         processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L153]  CALL        __utac_acc__Specification3_spec__1()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L91]               int tmp ;
[L92]               int tmp___0 ;
[L93]               int tmp___1 ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L97]   CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L860]              int retValue_acc ;
[L863]              retValue_acc = methaneLevelCritical
[L864]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L97]   RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L97]               tmp = isMethaneLevelCritical()
[L99]   COND FALSE  !(\read(tmp))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L103]  CALL, EXPR  getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L892]              int retValue_acc ;
[L895]              retValue_acc = waterLevel
[L896]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L103]  RET, EXPR   getWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L103]              tmp___0 = getWaterLevel()
[L105]  COND TRUE   tmp___0 == 2
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L107]  CALL, EXPR  isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L236]              int retValue_acc ;
[L239]              retValue_acc = pumpRunning
[L240]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L107]  RET, EXPR   isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L107]              tmp___1 = isPumpRunning()
[L109]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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]
[L113]  CALL        __automaton_fail()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L44]               __VERIFIER_error()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=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 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 492 SDtfs, 138 SDslu, 515 SDs, 0 SdLazy, 76 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 299 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 24663 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2633 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...