/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_product36.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 16:24:22,200 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:24:22,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:24:22,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:24:22,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:24:22,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:24:22,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:24:22,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:24:22,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:24:22,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:24:22,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:24:22,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:24:22,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:24:22,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:24:22,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:24:22,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:24:22,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:24:22,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:24:22,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:24:22,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:24:22,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:24:22,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:24:22,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:24:22,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:24:22,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:24:22,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:24:22,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:24:22,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:24:22,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:24:22,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:24:22,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:24:22,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:24:22,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:24:22,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:24:22,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:24:22,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:24:22,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:24:22,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:24:22,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:24:22,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:24:22,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:24:22,260 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 16:24:22,287 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 16:24:22,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:24:22,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:24:22,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 16:24:22,289 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 16:24:22,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:24:22,290 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 16:24:22,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 16:24:22,290 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 16:24:22,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 16:24:22,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:24:22,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:24:22,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:24:22,292 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 16:24:22,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 16:24:22,293 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 16:24:22,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:24:22,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:24:22,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 16:24:22,294 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 16:24:22,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 16:24:22,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:24:22,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:24:22,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:24:22,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:24:22,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 16:24:22,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:22,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:24:22,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 16:24:22,296 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 16:24:22,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:24:22,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:24:22,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:24:22,591 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 16:24:22,592 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 16:24:22,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2020-07-20 16:24:22,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07af86e02/64cff1da60ac4c16915937c1a34fb0c0/FLAGb3972eb35
[2020-07-20 16:24:23,150 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 16:24:23,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2020-07-20 16:24:23,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07af86e02/64cff1da60ac4c16915937c1a34fb0c0/FLAGb3972eb35
[2020-07-20 16:24:23,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07af86e02/64cff1da60ac4c16915937c1a34fb0c0
[2020-07-20 16:24:23,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:24:23,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:24:23,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:23,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:24:23,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:24:23,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:23" (1/1) ...
[2020-07-20 16:24:23,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e50e1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:23, skipping insertion in model container
[2020-07-20 16:24:23,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:23" (1/1) ...
[2020-07-20 16:24:23,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 16:24:23,544 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:24:23,912 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:23,941 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 16:24:24,145 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:24,186 INFO L208 MainTranslator]: Completed translation
[2020-07-20 16:24:24,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24 WrapperNode
[2020-07-20 16:24:24,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:24,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:24:24,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:24:24,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:24:24,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (1/1) ...
[2020-07-20 16:24:24,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:24:24,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:24:24,336 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:24:24,336 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:24:24,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (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 16:24:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:24:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:24:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:24:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:24:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:24:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:24:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:24:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 16:24:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:24:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:24:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:24:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:24:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:24:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:24:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:24:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:24:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:24:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:24:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:24:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 16:24:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:24:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:24:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:24:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:24:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:24:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:24:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:24:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:24:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:24:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:24:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:24:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:24:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:24:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:24:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:24:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:24:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:24:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:24:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:24:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:24:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 16:24:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:24:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:24:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 16:24:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 16:24:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:24:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:24:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:24:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:24:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:24:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:24:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:24:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:24:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:24:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:24:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:24:25,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:24:25,671 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:24:25,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:25 BoogieIcfgContainer
[2020-07-20 16:24:25,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:24:25,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:24:25,682 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:24:25,685 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:24:25,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:23" (1/3) ...
[2020-07-20 16:24:25,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4556ae97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:25, skipping insertion in model container
[2020-07-20 16:24:25,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:24" (2/3) ...
[2020-07-20 16:24:25,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4556ae97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:25, skipping insertion in model container
[2020-07-20 16:24:25,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:25" (3/3) ...
[2020-07-20 16:24:25,689 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c
[2020-07-20 16:24:25,699 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:24:25,709 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:24:25,724 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:24:25,750 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:24:25,750 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 16:24:25,750 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:24:25,751 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:24:25,751 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:24:25,751 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 16:24:25,751 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:24:25,751 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:24:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states.
[2020-07-20 16:24:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 16:24:25,783 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:25,784 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 16:24:25,784 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:25,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:25,790 INFO L82 PathProgramCache]: Analyzing trace with hash -16432852, now seen corresponding path program 1 times
[2020-07-20 16:24:25,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:25,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106818605]
[2020-07-20 16:24:25,799 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 16:24:26,232 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:26,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:26,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:24:26,253 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:26,288 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 16:24:26,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:26,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106818605]
[2020-07-20 16:24:26,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:26,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:24:26,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063889074]
[2020-07-20 16:24:26,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:24:26,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:26,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:24:26,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:24:26,322 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states.
[2020-07-20 16:24:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:26,370 INFO L93 Difference]: Finished difference Result 248 states and 305 transitions.
[2020-07-20 16:24:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 16:24:26,372 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 16:24:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:26,385 INFO L225 Difference]: With dead ends: 248
[2020-07-20 16:24:26,386 INFO L226 Difference]: Without dead ends: 124
[2020-07-20 16:24:26,390 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 16:24:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2020-07-20 16:24:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124.
[2020-07-20 16:24:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states.
[2020-07-20 16:24:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions.
[2020-07-20 16:24:26,448 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52
[2020-07-20 16:24:26,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:26,449 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions.
[2020-07-20 16:24:26,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:24:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions.
[2020-07-20 16:24:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 16:24:26,453 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:26,453 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 16:24:26,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:26,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:26,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:26,658 INFO L82 PathProgramCache]: Analyzing trace with hash -687450637, now seen corresponding path program 1 times
[2020-07-20 16:24:26,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:26,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507798964]
[2020-07-20 16:24:26,660 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 16:24:27,224 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:27,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:27,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:24:27,234 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:27,266 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 16:24:27,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:27,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507798964]
[2020-07-20 16:24:27,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:27,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:27,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389399273]
[2020-07-20 16:24:27,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:27,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:27,270 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states.
[2020-07-20 16:24:27,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:27,291 INFO L93 Difference]: Finished difference Result 184 states and 213 transitions.
[2020-07-20 16:24:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:27,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 16:24:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:27,294 INFO L225 Difference]: With dead ends: 184
[2020-07-20 16:24:27,294 INFO L226 Difference]: Without dead ends: 115
[2020-07-20 16:24:27,296 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 16:24:27,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-07-20 16:24:27,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2020-07-20 16:24:27,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-07-20 16:24:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 132 transitions.
[2020-07-20 16:24:27,314 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 132 transitions. Word has length 53
[2020-07-20 16:24:27,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:27,315 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 132 transitions.
[2020-07-20 16:24:27,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions.
[2020-07-20 16:24:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 16:24:27,317 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:27,318 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 16:24:27,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:27,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:27,532 INFO L82 PathProgramCache]: Analyzing trace with hash 585649573, now seen corresponding path program 1 times
[2020-07-20 16:24:27,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:27,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407990478]
[2020-07-20 16:24:27,533 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 16:24:27,918 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:27,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:27,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:24:27,930 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:27,958 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 16:24:27,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:27,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407990478]
[2020-07-20 16:24:27,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:27,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:27,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662865593]
[2020-07-20 16:24:27,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:27,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:27,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:27,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:27,961 INFO L87 Difference]: Start difference. First operand 115 states and 132 transitions. Second operand 3 states.
[2020-07-20 16:24:27,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:27,997 INFO L93 Difference]: Finished difference Result 293 states and 347 transitions.
[2020-07-20 16:24:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:27,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-20 16:24:27,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:28,001 INFO L225 Difference]: With dead ends: 293
[2020-07-20 16:24:28,001 INFO L226 Difference]: Without dead ends: 202
[2020-07-20 16:24:28,003 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 16:24:28,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2020-07-20 16:24:28,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 190.
[2020-07-20 16:24:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states.
[2020-07-20 16:24:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 223 transitions.
[2020-07-20 16:24:28,029 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 223 transitions. Word has length 58
[2020-07-20 16:24:28,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:28,029 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 223 transitions.
[2020-07-20 16:24:28,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 223 transitions.
[2020-07-20 16:24:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 16:24:28,033 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:28,033 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]
[2020-07-20 16:24:28,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:28,244 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:28,244 INFO L82 PathProgramCache]: Analyzing trace with hash -107584034, now seen corresponding path program 1 times
[2020-07-20 16:24:28,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:28,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468702643]
[2020-07-20 16:24:28,246 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 16:24:28,686 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:28,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:28,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 16:24:28,697 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:28,747 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 16:24:28,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:28,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468702643]
[2020-07-20 16:24:28,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:28,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:24:28,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059737897]
[2020-07-20 16:24:28,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:24:28,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:24:28,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:24:28,750 INFO L87 Difference]: Start difference. First operand 190 states and 223 transitions. Second operand 6 states.
[2020-07-20 16:24:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:28,981 INFO L93 Difference]: Finished difference Result 507 states and 631 transitions.
[2020-07-20 16:24:28,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 16:24:28,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2020-07-20 16:24:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:28,986 INFO L225 Difference]: With dead ends: 507
[2020-07-20 16:24:28,987 INFO L226 Difference]: Without dead ends: 341
[2020-07-20 16:24:28,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 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 16:24:28,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states.
[2020-07-20 16:24:29,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337.
[2020-07-20 16:24:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states.
[2020-07-20 16:24:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 408 transitions.
[2020-07-20 16:24:29,042 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 408 transitions. Word has length 63
[2020-07-20 16:24:29,042 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:29,042 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 408 transitions.
[2020-07-20 16:24:29,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:24:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 408 transitions.
[2020-07-20 16:24:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-20 16:24:29,047 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:29,047 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]
[2020-07-20 16:24:29,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:29,261 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:29,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1290048412, now seen corresponding path program 1 times
[2020-07-20 16:24:29,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:29,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461068701]
[2020-07-20 16:24:29,262 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 16:24:29,655 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:29,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 16:24:29,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 16:24:29,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:29,996 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 16:24:29,996 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 16:24:30,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:30,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:30 BoogieIcfgContainer
[2020-07-20 16:24:30,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:24:30,372 INFO L168 Benchmark]: Toolchain (without parser) took 6889.58 ms. Allocated memory was 145.8 MB in the beginning and 280.5 MB in the end (delta: 134.7 MB). Free memory was 102.4 MB in the beginning and 197.0 MB in the end (delta: -94.6 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,372 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.58 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 174.6 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,376 INFO L168 Benchmark]: Boogie Preprocessor took 146.78 ms. Allocated memory is still 204.5 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,377 INFO L168 Benchmark]: RCFGBuilder took 1344.14 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 197.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,378 INFO L168 Benchmark]: TraceAbstraction took 4687.09 ms. Allocated memory was 235.4 MB in the beginning and 280.5 MB in the end (delta: 45.1 MB). Free memory was 197.8 MB in the beginning and 197.0 MB in the end (delta: 846.5 kB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:30,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 704.58 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 174.6 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 146.78 ms. Allocated memory is still 204.5 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1344.14 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 197.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4687.09 ms. Allocated memory was 235.4 MB in the beginning and 280.5 MB in the end (delta: 45.1 MB). Free memory was 197.8 MB in the beginning and 197.0 MB in the end (delta: 846.5 kB). Peak memory consumption was 45.9 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:
[L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L426] int pumpRunning = 0;
[L427] int systemActive = 1;
[L675] int waterLevel = 1;
[L676] int methaneLevelCritical = 0;
[L769] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=93, \old(head)=69, \old(head)=62, \old(methaneLevelCritical)=31, \old(pumpRunning)=27, \old(systemActive)=70, \old(waterLevel)=74, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L845] int retValue_acc ;
[L846] 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]
[L850] 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]
[L851] 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]
[L852] 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]
[L894] int retValue_acc ;
[L897] retValue_acc = 1
[L898] 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]
[L852] 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]
[L852] tmp = valid_product()
[L854] 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]
[L856] 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]
[L857] 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]
[L836] 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]
[L606] int splverifierCounter ;
[L607] int tmp ;
[L608] int tmp___0 ;
[L609] int tmp___1 ;
[L610] int tmp___2 ;
[L613] 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]
[L615] 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]
[L617] 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]
[L623] tmp = __VERIFIER_nondet_int()
[L625] 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]
[L627] 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]
[L693] COND TRUE waterLevel < 2
[L694] 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]
[L627] 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]
[L633] tmp___0 = __VERIFIER_nondet_int()
[L635] 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]
[L643] tmp___2 = __VERIFIER_nondet_int()
[L645] COND FALSE !(\read(tmp___2))
[L651] tmp___1 = __VERIFIER_nondet_int()
[L653] 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]
[L655] CALL stopSystem()
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]
[L582] COND FALSE !(\read(pumpRunning))
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]
[L589] systemActive = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L655] RET stopSystem()
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=0, tmp=1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2]
[L662] 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=0, waterLevel=2]
[L434] 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=0, waterLevel=2]
[L441] COND FALSE !(\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=0, waterLevel=2]
[L449] 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=0, waterLevel=2]
[L904] int tmp ;
[L905] int tmp___0 ;
[L906] 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=0, waterLevel=2]
[L910] 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=0, waterLevel=2]
[L714] int retValue_acc ;
[L717] retValue_acc = methaneLevelCritical
[L718] 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=0, waterLevel=2]
[L910] 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=0, waterLevel=2]
[L910] tmp = isMethaneLevelCritical()
[L912] 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=0, tmp=0, waterLevel=2]
[L916] 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=0, waterLevel=2]
[L746] int retValue_acc ;
[L749] retValue_acc = waterLevel
[L750] 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=0, waterLevel=2]
[L916] 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=0, tmp=0, waterLevel=2]
[L916] tmp___0 = getWaterLevel()
[L918] 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=0, tmp=0, tmp___0=2, waterLevel=2]
[L920] 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=0, waterLevel=2]
[L515] int retValue_acc ;
[L518] retValue_acc = pumpRunning
[L519] 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=0, waterLevel=2]
[L920] 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=0, tmp=0, tmp___0=2, waterLevel=2]
[L920] tmp___1 = isPumpRunning()
[L922] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L926] 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=0, 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=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 228 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: 607 SDtfs, 176 SDslu, 678 SDs, 0 SdLazy, 88 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 293 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 23550 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2635 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...