/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...