/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_product20.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 16:24:08,989 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:24:08,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:24:09,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:24:09,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:24:09,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:24:09,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:24:09,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:24:09,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:24:09,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:24:09,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:24:09,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:24:09,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:24:09,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:24:09,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:24:09,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:24:09,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:24:09,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:24:09,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:24:09,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:24:09,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:24:09,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:24:09,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:24:09,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:24:09,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:24:09,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:24:09,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:24:09,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:24:09,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:24:09,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:24:09,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:24:09,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:24:09,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:24:09,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:24:09,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:24:09,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:24:09,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:24:09,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:24:09,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:24:09,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:24:09,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:24:09,041 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 16:24:09,065 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 16:24:09,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:24:09,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:24:09,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 16:24:09,066 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 16:24:09,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:24:09,067 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 16:24:09,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 16:24:09,067 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 16:24:09,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 16:24:09,068 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 16:24:09,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:24:09,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:24:09,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 16:24:09,069 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 16:24:09,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 16:24:09,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:24:09,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:24:09,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:24:09,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:24:09,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 16:24:09,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:09,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:24:09,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 16:24:09,071 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 16:24:09,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:24:09,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:24:09,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:24:09,364 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 16:24:09,365 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 16:24:09,367 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c
[2020-07-20 16:24:09,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89362300f/e7233a74783b43b3a9bf027353c95d27/FLAG2f0b563d5
[2020-07-20 16:24:10,022 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 16:24:10,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c
[2020-07-20 16:24:10,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89362300f/e7233a74783b43b3a9bf027353c95d27/FLAG2f0b563d5
[2020-07-20 16:24:10,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89362300f/e7233a74783b43b3a9bf027353c95d27
[2020-07-20 16:24:10,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:24:10,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:24:10,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:10,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:24:10,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:24:10,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dbf883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10, skipping insertion in model container
[2020-07-20 16:24:10,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 16:24:10,360 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:24:10,660 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:10,681 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 16:24:10,891 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:24:10,922 INFO L208 MainTranslator]: Completed translation
[2020-07-20 16:24:10,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10 WrapperNode
[2020-07-20 16:24:10,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:24:10,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:24:10,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:24:10,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:24:10,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:10,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:11,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:11,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (1/1) ...
[2020-07-20 16:24:11,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:24:11,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:24:11,027 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:24:11,027 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:24:11,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (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 16:24:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:24:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:24:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:24:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:24:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 16:24:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:24:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:24:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:24:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 16:24:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:24:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:24:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:24:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:24:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:24:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:24:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:24:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:24:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:24:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:24:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:24:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 16:24:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:24:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:24:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 16:24:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 16:24:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:24:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:24:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:24:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:24:12,052 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:24:12,053 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:24:12,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:12 BoogieIcfgContainer
[2020-07-20 16:24:12,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:24:12,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:24:12,060 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:24:12,063 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:24:12,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:10" (1/3) ...
[2020-07-20 16:24:12,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9b8e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:12, skipping insertion in model container
[2020-07-20 16:24:12,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:10" (2/3) ...
[2020-07-20 16:24:12,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9b8e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:12, skipping insertion in model container
[2020-07-20 16:24:12,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:12" (3/3) ...
[2020-07-20 16:24:12,067 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product20.cil.c
[2020-07-20 16:24:12,078 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:24:12,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:24:12,100 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:24:12,124 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:24:12,124 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 16:24:12,125 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:24:12,125 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:24:12,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:24:12,125 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 16:24:12,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:24:12,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:24:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states.
[2020-07-20 16:24:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 16:24:12,158 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:12,160 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 16:24:12,160 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1020125937, now seen corresponding path program 1 times
[2020-07-20 16:24:12,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:12,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816806073]
[2020-07-20 16:24:12,176 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 16:24:12,641 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:12,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:12,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:24:12,657 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:12,687 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 16:24:12,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:12,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816806073]
[2020-07-20 16:24:12,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:12,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:24:12,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745463313]
[2020-07-20 16:24:12,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:24:12,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:12,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:24:12,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:24:12,714 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states.
[2020-07-20 16:24:12,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:12,756 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions.
[2020-07-20 16:24:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 16:24:12,757 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 16:24:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:12,772 INFO L225 Difference]: With dead ends: 240
[2020-07-20 16:24:12,772 INFO L226 Difference]: Without dead ends: 120
[2020-07-20 16:24:12,777 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 16:24:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2020-07-20 16:24:12,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120.
[2020-07-20 16:24:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states.
[2020-07-20 16:24:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions.
[2020-07-20 16:24:12,833 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 52
[2020-07-20 16:24:12,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:12,837 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions.
[2020-07-20 16:24:12,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:24:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions.
[2020-07-20 16:24:12,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 16:24:12,843 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:12,843 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 16:24:13,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:13,051 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:13,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:13,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1976002315, now seen corresponding path program 1 times
[2020-07-20 16:24:13,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:13,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084156277]
[2020-07-20 16:24:13,054 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 16:24:13,452 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:13,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:13,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:24:13,461 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:13,498 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 16:24:13,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:13,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084156277]
[2020-07-20 16:24:13,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:13,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:13,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051558164]
[2020-07-20 16:24:13,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:13,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:13,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:13,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:13,502 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states.
[2020-07-20 16:24:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:13,521 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions.
[2020-07-20 16:24:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:13,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 16:24:13,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:13,524 INFO L225 Difference]: With dead ends: 179
[2020-07-20 16:24:13,524 INFO L226 Difference]: Without dead ends: 111
[2020-07-20 16:24:13,526 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 16:24:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2020-07-20 16:24:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2020-07-20 16:24:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-07-20 16:24:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions.
[2020-07-20 16:24:13,539 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 53
[2020-07-20 16:24:13,540 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:13,540 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions.
[2020-07-20 16:24:13,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:13,540 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions.
[2020-07-20 16:24:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 16:24:13,542 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:13,542 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 16:24:13,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:13,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:13,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash -979616740, now seen corresponding path program 1 times
[2020-07-20 16:24:13,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:13,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815094233]
[2020-07-20 16:24:13,759 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 16:24:14,196 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:24:14,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:14,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:24:14,206 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:14,230 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 16:24:14,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:14,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815094233]
[2020-07-20 16:24:14,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:14,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:24:14,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602201890]
[2020-07-20 16:24:14,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:24:14,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:14,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:24:14,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:24:14,233 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 3 states.
[2020-07-20 16:24:14,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:14,264 INFO L93 Difference]: Finished difference Result 281 states and 335 transitions.
[2020-07-20 16:24:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 16:24:14,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-20 16:24:14,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:14,268 INFO L225 Difference]: With dead ends: 281
[2020-07-20 16:24:14,268 INFO L226 Difference]: Without dead ends: 194
[2020-07-20 16:24:14,269 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 16:24:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2020-07-20 16:24:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188.
[2020-07-20 16:24:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states.
[2020-07-20 16:24:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 223 transitions.
[2020-07-20 16:24:14,300 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 223 transitions. Word has length 58
[2020-07-20 16:24:14,301 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:14,301 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 223 transitions.
[2020-07-20 16:24:14,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:24:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 223 transitions.
[2020-07-20 16:24:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 16:24:14,304 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:14,305 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 16:24:14,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:14,520 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1983050375, now seen corresponding path program 1 times
[2020-07-20 16:24:14,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:14,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136562007]
[2020-07-20 16:24:14,521 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 16:24:14,899 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:14,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:24:14,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 16:24:14,908 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:24:14,981 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 16:24:14,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:24:14,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136562007]
[2020-07-20 16:24:14,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:24:14,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:24:14,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072373685]
[2020-07-20 16:24:14,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:24:14,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:24:14,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:24:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:24:14,984 INFO L87 Difference]: Start difference. First operand 188 states and 223 transitions. Second operand 6 states.
[2020-07-20 16:24:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:24:15,202 INFO L93 Difference]: Finished difference Result 501 states and 619 transitions.
[2020-07-20 16:24:15,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 16:24:15,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2020-07-20 16:24:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:24:15,207 INFO L225 Difference]: With dead ends: 501
[2020-07-20 16:24:15,207 INFO L226 Difference]: Without dead ends: 337
[2020-07-20 16:24:15,210 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 16:24:15,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states.
[2020-07-20 16:24:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 333.
[2020-07-20 16:24:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states.
[2020-07-20 16:24:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 404 transitions.
[2020-07-20 16:24:15,248 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 404 transitions. Word has length 63
[2020-07-20 16:24:15,249 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:24:15,249 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 404 transitions.
[2020-07-20 16:24:15,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:24:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 404 transitions.
[2020-07-20 16:24:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-20 16:24:15,252 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 16:24:15,252 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 16:24:15,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:15,467 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:24:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:24:15,468 INFO L82 PathProgramCache]: Analyzing trace with hash 935934029, now seen corresponding path program 1 times
[2020-07-20 16:24:15,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:24:15,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355050796]
[2020-07-20 16:24:15,469 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 16:24:15,864 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:24:15,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 16:24:15,864 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 16:24:15,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 16:24:16,238 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 16:24:16,239 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 16:24:16,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:24:16,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:16 BoogieIcfgContainer
[2020-07-20 16:24:16,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:24:16,645 INFO L168 Benchmark]: Toolchain (without parser) took 6349.99 ms. Allocated memory was 138.4 MB in the beginning and 287.8 MB in the end (delta: 149.4 MB). Free memory was 102.6 MB in the beginning and 224.1 MB in the end (delta: -121.5 MB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,647 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.69 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 174.3 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,653 INFO L168 Benchmark]: Boogie Preprocessor took 103.31 ms. Allocated memory is still 203.4 MB. Free memory was 174.3 MB in the beginning and 169.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,655 INFO L168 Benchmark]: RCFGBuilder took 1031.55 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 199.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,656 INFO L168 Benchmark]: TraceAbstraction took 4579.49 ms. Allocated memory was 235.9 MB in the beginning and 287.8 MB in the end (delta: 51.9 MB). Free memory was 199.5 MB in the beginning and 224.1 MB in the end (delta: -24.6 MB). Peak memory consumption was 124.3 MB. Max. memory is 7.1 GB.
[2020-07-20 16:24:16,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 628.69 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 174.3 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 103.31 ms. Allocated memory is still 203.4 MB. Free memory was 174.3 MB in the beginning and 169.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1031.55 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.6 MB in the beginning and 199.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4579.49 ms. Allocated memory was 235.9 MB in the beginning and 287.8 MB in the end (delta: 51.9 MB). Free memory was 199.5 MB in the beginning and 224.1 MB in the end (delta: -24.6 MB). Peak memory consumption was 124.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 927]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L444] int cleanupTimeShifts = 4;
[L590] int pumpRunning = 0;
[L591] int systemActive = 1;
[L834] int waterLevel = 1;
[L835] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=35, \old(head)=72, \old(head)=66, \old(methaneLevelCritical)=51, \old(pumpRunning)=64, \old(systemActive)=85, \old(waterLevel)=88, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L522] int retValue_acc ;
[L523] 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]
[L527] 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]
[L528] 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]
[L529] 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]
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] 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]
[L529] 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]
[L529] tmp = valid_product()
[L531] 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]
[L533] 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]
[L534] 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]
[L516] 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]
[L766] int splverifierCounter ;
[L767] int tmp ;
[L768] int tmp___0 ;
[L769] int tmp___1 ;
[L770] int tmp___2 ;
[L773] 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]
[L775] 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]
[L777] 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]
[L783] tmp = __VERIFIER_nondet_int()
[L785] 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]
[L787] 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]
[L852] COND TRUE waterLevel < 2
[L853] 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]
[L787] 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]
[L793] tmp___0 = __VERIFIER_nondet_int()
[L795] 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]
[L803] tmp___2 = __VERIFIER_nondet_int()
[L805] COND FALSE !(\read(tmp___2))
[L811] tmp___1 = __VERIFIER_nondet_int()
[L813] 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]
[L815] 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]
[L745] 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]
[L752] 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]
[L815] 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]
[L822] 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]
[L597] 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]
[L604] 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]
[L612] 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]
[L550] int tmp ;
[L551] int tmp___0 ;
[L552] 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]
[L556] 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]
[L873] int retValue_acc ;
[L876] retValue_acc = methaneLevelCritical
[L877] 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]
[L556] 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]
[L556] tmp = isMethaneLevelCritical()
[L558] 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]
[L562] 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]
[L905] int retValue_acc ;
[L908] retValue_acc = waterLevel
[L909] 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]
[L562] 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]
[L562] tmp___0 = getWaterLevel()
[L564] 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]
[L566] 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]
[L678] int retValue_acc ;
[L681] retValue_acc = pumpRunning
[L682] 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]
[L566] 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]
[L566] tmp___1 = isPumpRunning()
[L568] 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]
[L572] 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]
[L927] __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, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 588 SDtfs, 166 SDslu, 650 SDs, 0 SdLazy, 85 SolverSat, 6 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=333occurred 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, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s 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...