/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_FUNCTIONS --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_product43.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 13:02:48,765 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:02:48,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:02:48,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:02:48,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:02:48,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:02:48,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:02:48,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:02:48,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:02:48,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:02:48,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:02:48,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:02:48,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:02:48,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:02:48,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:02:48,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:02:48,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:02:48,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:02:48,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:02:48,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:02:48,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:02:48,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:02:48,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:02:48,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:02:48,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:02:48,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:02:48,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:02:48,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:02:48,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:02:48,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:02:48,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:02:48,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:02:48,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:02:48,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:02:48,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:02:48,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:02:48,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:02:48,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:02:48,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:02:48,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:02:48,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:02:48,845 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 13:02:48,882 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 13:02:48,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:02:48,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:02:48,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 13:02:48,884 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 13:02:48,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:02:48,884 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 13:02:48,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 13:02:48,886 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 13:02:48,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 13:02:48,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 13:02:48,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:02:48,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:02:48,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 13:02:48,888 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 13:02:48,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 13:02:48,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:02:48,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:02:48,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:02:48,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:02:48,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 13:02:48,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:48,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:02:48,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 13:02:48,891 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_FUNCTIONS
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 13:02:49,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:02:49,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:02:49,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:02:49,200 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 13:02:49,200 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 13:02:49,201 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c
[2020-07-20 13:02:49,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b65fbeaf/cab56469b60f4331a27855377666bfb6/FLAG1504b67e4
[2020-07-20 13:02:49,713 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 13:02:49,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c
[2020-07-20 13:02:49,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b65fbeaf/cab56469b60f4331a27855377666bfb6/FLAG1504b67e4
[2020-07-20 13:02:50,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b65fbeaf/cab56469b60f4331a27855377666bfb6
[2020-07-20 13:02:50,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:02:50,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:02:50,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:02:50,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:02:50,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:02:50,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d28055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50, skipping insertion in model container
[2020-07-20 13:02:50,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 13:02:50,130 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:02:50,556 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:02:50,567 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 13:02:50,667 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:02:50,698 INFO L208 MainTranslator]: Completed translation
[2020-07-20 13:02:50,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50 WrapperNode
[2020-07-20 13:02:50,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:02:50,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:02:50,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:02:50,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:02:50,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (1/1) ...
[2020-07-20 13:02:50,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:02:50,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:02:50,803 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:02:50,803 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:02:50,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (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 13:02:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:02:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:02:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:02:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:02:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:02:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:02:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:02:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:02:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:02:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 13:02:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:02:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:02:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:02:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:02:50,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:02:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:02:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:02:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:02:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:02:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:02:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:02:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:02:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:02:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:02:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:02:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:02:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:02:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:02:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:02:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:02:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 13:02:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:02:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:02:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:02:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:02:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:02:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:02:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:02:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:02:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:02:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:02:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:02:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:02:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:02:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:02:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:02:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:02:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:02:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 13:02:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:02:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:02:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:02:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:02:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:02:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:02:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:02:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:02:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:02:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:02:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:02:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:02:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:02:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:02:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:02:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:02:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:02:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:02:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:02:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:02:51,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:02:51,926 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:02:51,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:51 BoogieIcfgContainer
[2020-07-20 13:02:51,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:02:51,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:02:51,937 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:02:51,940 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:02:51,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:50" (1/3) ...
[2020-07-20 13:02:51,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b79e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:51, skipping insertion in model container
[2020-07-20 13:02:51,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:50" (2/3) ...
[2020-07-20 13:02:51,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b79e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:51, skipping insertion in model container
[2020-07-20 13:02:51,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:51" (3/3) ...
[2020-07-20 13:02:51,945 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43.cil.c
[2020-07-20 13:02:51,956 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:02:51,964 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:02:51,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:02:52,002 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:02:52,002 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 13:02:52,002 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:02:52,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:02:52,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:02:52,003 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 13:02:52,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:02:52,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:02:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states.
[2020-07-20 13:02:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 13:02:52,035 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:02:52,036 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 13:02:52,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:52,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:52,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1046515037, now seen corresponding path program 1 times
[2020-07-20 13:02:52,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:52,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737221312]
[2020-07-20 13:02:52,049 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 13:02:52,465 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:52,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:52,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:02:52,481 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:52,511 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 13:02:52,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:52,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737221312]
[2020-07-20 13:02:52,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:52,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:02:52,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027028985]
[2020-07-20 13:02:52,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:02:52,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:52,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:02:52,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:02:52,535 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states.
[2020-07-20 13:02:52,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:52,576 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions.
[2020-07-20 13:02:52,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 13:02:52,579 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 13:02:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:52,590 INFO L225 Difference]: With dead ends: 264
[2020-07-20 13:02:52,590 INFO L226 Difference]: Without dead ends: 132
[2020-07-20 13:02:52,594 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 13:02:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states.
[2020-07-20 13:02:52,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132.
[2020-07-20 13:02:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states.
[2020-07-20 13:02:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions.
[2020-07-20 13:02:52,648 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 52
[2020-07-20 13:02:52,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:52,649 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions.
[2020-07-20 13:02:52,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:02:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions.
[2020-07-20 13:02:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 13:02:52,653 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:02:52,653 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 13:02:52,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:52,867 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash -503992923, now seen corresponding path program 1 times
[2020-07-20 13:02:52,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:52,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366884924]
[2020-07-20 13:02:52,870 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 13:02:53,275 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:53,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:53,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:02:53,285 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:53,326 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 13:02:53,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:53,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366884924]
[2020-07-20 13:02:53,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:53,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:02:53,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269876993]
[2020-07-20 13:02:53,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:02:53,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:53,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:02:53,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:02:53,333 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states.
[2020-07-20 13:02:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:53,361 INFO L93 Difference]: Finished difference Result 204 states and 237 transitions.
[2020-07-20 13:02:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:02:53,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 13:02:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:53,364 INFO L225 Difference]: With dead ends: 204
[2020-07-20 13:02:53,364 INFO L226 Difference]: Without dead ends: 123
[2020-07-20 13:02:53,366 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 13:02:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2020-07-20 13:02:53,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123.
[2020-07-20 13:02:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states.
[2020-07-20 13:02:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions.
[2020-07-20 13:02:53,382 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 53
[2020-07-20 13:02:53,382 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:53,382 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions.
[2020-07-20 13:02:53,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:02:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions.
[2020-07-20 13:02:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 13:02:53,385 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:02:53,385 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]
[2020-07-20 13:02:53,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:53,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:53,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:53,601 INFO L82 PathProgramCache]: Analyzing trace with hash -709646157, now seen corresponding path program 1 times
[2020-07-20 13:02:53,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:53,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266305892]
[2020-07-20 13:02:53,603 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 13:02:53,935 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:53,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:53,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:02:53,944 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:53,966 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 13:02:53,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:53,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266305892]
[2020-07-20 13:02:53,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:53,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:02:53,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956369636]
[2020-07-20 13:02:53,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:02:53,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:53,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:02:53,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:02:53,969 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 3 states.
[2020-07-20 13:02:54,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:54,003 INFO L93 Difference]: Finished difference Result 319 states and 378 transitions.
[2020-07-20 13:02:54,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:02:54,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57
[2020-07-20 13:02:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:54,008 INFO L225 Difference]: With dead ends: 319
[2020-07-20 13:02:54,009 INFO L226 Difference]: Without dead ends: 220
[2020-07-20 13:02:54,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 13:02:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2020-07-20 13:02:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 210.
[2020-07-20 13:02:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states.
[2020-07-20 13:02:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 247 transitions.
[2020-07-20 13:02:54,042 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 247 transitions. Word has length 57
[2020-07-20 13:02:54,042 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:54,042 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 247 transitions.
[2020-07-20 13:02:54,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:02:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions.
[2020-07-20 13:02:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 13:02:54,046 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:02:54,046 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 13:02:54,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:54,260 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:54,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:54,260 INFO L82 PathProgramCache]: Analyzing trace with hash 532138272, now seen corresponding path program 1 times
[2020-07-20 13:02:54,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:54,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774413810]
[2020-07-20 13:02:54,261 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 13:02:54,697 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:02:54,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:54,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 13:02:54,707 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:54,757 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 13:02:54,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:54,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774413810]
[2020-07-20 13:02:54,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:54,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:02:54,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536117431]
[2020-07-20 13:02:54,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:02:54,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:54,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:02:54,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:02:54,760 INFO L87 Difference]: Start difference. First operand 210 states and 247 transitions. Second operand 6 states.
[2020-07-20 13:02:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:54,992 INFO L93 Difference]: Finished difference Result 567 states and 703 transitions.
[2020-07-20 13:02:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:02:54,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2020-07-20 13:02:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:54,998 INFO L225 Difference]: With dead ends: 567
[2020-07-20 13:02:54,998 INFO L226 Difference]: Without dead ends: 381
[2020-07-20 13:02:55,001 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 13:02:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states.
[2020-07-20 13:02:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377.
[2020-07-20 13:02:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states.
[2020-07-20 13:02:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 456 transitions.
[2020-07-20 13:02:55,043 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 456 transitions. Word has length 63
[2020-07-20 13:02:55,044 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:55,044 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 456 transitions.
[2020-07-20 13:02:55,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:02:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 456 transitions.
[2020-07-20 13:02:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-07-20 13:02:55,050 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:02:55,050 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 13:02:55,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:55,263 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:55,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:55,264 INFO L82 PathProgramCache]: Analyzing trace with hash -389958042, now seen corresponding path program 1 times
[2020-07-20 13:02:55,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:55,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700848957]
[2020-07-20 13:02:55,266 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 13:02:55,628 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:02:55,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 13:02:55,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 13:02:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 13:02:55,735 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 13:02:56,071 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 13:02:56,072 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 13:02:56,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:56,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:56 BoogieIcfgContainer
[2020-07-20 13:02:56,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:02:56,457 INFO L168 Benchmark]: Toolchain (without parser) took 6411.72 ms. Allocated memory was 139.5 MB in the beginning and 291.5 MB in the end (delta: 152.0 MB). Free memory was 101.0 MB in the beginning and 228.5 MB in the end (delta: -127.5 MB). Peak memory consumption was 126.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:56,458 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 120.3 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 13:02:56,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:56,460 INFO L168 Benchmark]: Boogie Preprocessor took 103.19 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:56,461 INFO L168 Benchmark]: RCFGBuilder took 1132.16 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 167.2 MB in the beginning and 196.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:56,462 INFO L168 Benchmark]: TraceAbstraction took 4518.32 ms. Allocated memory was 233.3 MB in the beginning and 291.5 MB in the end (delta: 58.2 MB). Free memory was 196.9 MB in the beginning and 228.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:56,466 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 120.3 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 652.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 103.19 ms. Allocated memory is still 202.9 MB. Free memory was 171.5 MB in the beginning and 167.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1132.16 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 167.2 MB in the beginning and 196.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4518.32 ms. Allocated memory was 233.3 MB in the beginning and 291.5 MB in the end (delta: 58.2 MB). Free memory was 196.9 MB in the beginning and 228.5 MB in the end (delta: -31.6 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L40] int cleanupTimeShifts = 4;
[L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L597] int pumpRunning = 0;
[L598] int systemActive = 1;
[L849] int waterLevel = 1;
[L850] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=29, \old(head)=81, \old(head)=69, \old(methaneLevelCritical)=88, \old(pumpRunning)=24, \old(systemActive)=72, \old(waterLevel)=35, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L121] int retValue_acc ;
[L122] 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]
[L126] 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]
[L127] 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]
[L128] 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]
[L582] int retValue_acc ;
[L585] retValue_acc = 1
[L586] 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]
[L128] 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]
[L128] tmp = valid_product()
[L130] 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]
[L132] 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]
[L133] 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]
[L112] 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]
[L783] int splverifierCounter ;
[L784] int tmp ;
[L785] int tmp___0 ;
[L786] int tmp___1 ;
[L787] int tmp___2 ;
[L790] 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]
[L792] 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]
[L794] 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]
[L800] tmp = __VERIFIER_nondet_int()
[L802] 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]
[L804] 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]
[L867] COND TRUE waterLevel < 2
[L868] 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]
[L804] 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]
[L810] tmp___0 = __VERIFIER_nondet_int()
[L812] 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]
[L820] tmp___2 = __VERIFIER_nondet_int()
[L822] COND FALSE !(\read(tmp___2))
[L826] tmp___1 = __VERIFIER_nondet_int()
[L828] 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]
[L830] 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]
[L770] 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]
[L777] 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]
[L830] 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]
[L837] 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]
[L604] 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]
[L611] 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]
[L619] 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]
[L157] int tmp ;
[L158] int tmp___0 ;
[L159] 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]
[L163] 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]
[L888] int retValue_acc ;
[L891] retValue_acc = methaneLevelCritical
[L892] 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]
[L163] 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]
[L163] tmp = isMethaneLevelCritical()
[L165] 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]
[L169] 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]
[L920] int retValue_acc ;
[L923] retValue_acc = waterLevel
[L924] 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]
[L169] 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]
[L169] tmp___0 = getWaterLevel()
[L171] 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]
[L173] 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]
[L703] int retValue_acc ;
[L706] retValue_acc = pumpRunning
[L707] 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]
[L173] 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]
[L173] tmp___1 = isPumpRunning()
[L175] 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]
[L179] 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]
[L148] __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, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 197 SDslu, 742 SDs, 0 SdLazy, 92 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 292 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 23257 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2631 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...