/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_spec1_product56.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 13:01:08,822 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:01:08,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:01:08,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:01:08,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:01:08,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:01:08,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:01:08,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:01:08,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:01:08,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:01:08,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:01:08,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:01:08,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:01:08,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:01:08,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:01:08,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:01:08,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:01:08,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:01:08,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:01:08,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:01:08,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:01:08,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:01:08,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:01:08,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:01:08,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:01:08,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:01:08,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:01:08,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:01:08,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:01:08,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:01:08,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:01:08,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:01:08,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:01:08,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:01:08,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:01:08,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:01:08,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:01:08,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:01:08,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:01:08,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:01:08,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:01:08,868 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 13:01:08,881 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 13:01:08,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:01:08,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:01:08,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 13:01:08,883 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 13:01:08,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:01:08,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:01:08,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:01:08,885 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 13:01:08,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 13:01:08,885 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 13:01:08,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:01:08,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:01:08,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 13:01:08,886 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 13:01:08,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 13:01:08,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:01:08,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:01:08,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:01:08,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:01:08,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 13:01:08,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:08,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:01:08,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 13:01:08,888 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 13:01:09,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:01:09,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:01:09,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:01:09,202 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 13:01:09,203 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 13:01:09,203 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c
[2020-07-20 13:01:09,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac77e8e4/f7cf3019b67a41ef95496bf91113a5e9/FLAGb3b1ce17b
[2020-07-20 13:01:09,689 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 13:01:09,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c
[2020-07-20 13:01:09,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac77e8e4/f7cf3019b67a41ef95496bf91113a5e9/FLAGb3b1ce17b
[2020-07-20 13:01:10,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac77e8e4/f7cf3019b67a41ef95496bf91113a5e9
[2020-07-20 13:01:10,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:01:10,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:01:10,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:01:10,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:01:10,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:01:10,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10, skipping insertion in model container
[2020-07-20 13:01:10,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 13:01:10,086 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:01:10,528 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:01:10,539 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 13:01:10,687 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:01:10,733 INFO L208 MainTranslator]: Completed translation
[2020-07-20 13:01:10,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10 WrapperNode
[2020-07-20 13:01:10,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:01:10,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:01:10,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:01:10,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:01:10,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (1/1) ...
[2020-07-20 13:01:10,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:01:10,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:01:10,821 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:01:10,821 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:01:10,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (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 13:01:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:01:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:01:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:01:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:01:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:01:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:01:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:01:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:01:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:01:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:01:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:01:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:01:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:01:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:01:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:01:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:01:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:01:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:01:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:01:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:01:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:01:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 13:01:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 13:01:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 13:01:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:01:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:01:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:01:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:01:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:01:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:01:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:01:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:01:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:01:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:01:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:01:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:01:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:01:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:01:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 13:01:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:01:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:01:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:01:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:01:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-07-20 13:01:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:01:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:01:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:01:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:01:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 13:01:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:01:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:01:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:01:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:01:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:01:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:01:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:01:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:01:11,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:01:11,939 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:01:11,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:11 BoogieIcfgContainer
[2020-07-20 13:01:11,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:01:11,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:01:11,948 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:01:11,952 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:01:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:10" (1/3) ...
[2020-07-20 13:01:11,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3792468f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:11, skipping insertion in model container
[2020-07-20 13:01:11,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:10" (2/3) ...
[2020-07-20 13:01:11,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3792468f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:11, skipping insertion in model container
[2020-07-20 13:01:11,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:11" (3/3) ...
[2020-07-20 13:01:11,956 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product56.cil.c
[2020-07-20 13:01:11,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:01:11,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:01:11,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:01:12,019 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:01:12,020 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 13:01:12,021 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:01:12,021 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:01:12,022 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:01:12,022 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 13:01:12,022 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:01:12,023 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:01:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states.
[2020-07-20 13:01:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-20 13:01:12,064 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:12,065 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]
[2020-07-20 13:01:12,065 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:12,072 INFO L82 PathProgramCache]: Analyzing trace with hash 733672736, now seen corresponding path program 1 times
[2020-07-20 13:01:12,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:12,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671330102]
[2020-07-20 13:01:12,086 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 13:01:12,518 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:12,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:12,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:01:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:12,567 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 13:01:12,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:12,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671330102]
[2020-07-20 13:01:12,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:12,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:01:12,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507239945]
[2020-07-20 13:01:12,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:01:12,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:12,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:01:12,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:01:12,592 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states.
[2020-07-20 13:01:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:12,644 INFO L93 Difference]: Finished difference Result 306 states and 381 transitions.
[2020-07-20 13:01:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 13:01:12,646 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2020-07-20 13:01:12,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:12,660 INFO L225 Difference]: With dead ends: 306
[2020-07-20 13:01:12,660 INFO L226 Difference]: Without dead ends: 153
[2020-07-20 13:01:12,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 13:01:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2020-07-20 13:01:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2020-07-20 13:01:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states.
[2020-07-20 13:01:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 182 transitions.
[2020-07-20 13:01:12,721 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 182 transitions. Word has length 46
[2020-07-20 13:01:12,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:12,721 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 182 transitions.
[2020-07-20 13:01:12,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:01:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions.
[2020-07-20 13:01:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-20 13:01:12,725 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:12,726 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]
[2020-07-20 13:01:12,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:12,935 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:12,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1141201306, now seen corresponding path program 1 times
[2020-07-20 13:01:12,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:12,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609321611]
[2020-07-20 13:01:12,938 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 13:01:13,379 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:13,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:13,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:01:13,388 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:13,423 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 13:01:13,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:13,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609321611]
[2020-07-20 13:01:13,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:13,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:13,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248103690]
[2020-07-20 13:01:13,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:13,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:13,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:13,427 INFO L87 Difference]: Start difference. First operand 153 states and 182 transitions. Second operand 3 states.
[2020-07-20 13:01:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:13,458 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions.
[2020-07-20 13:01:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:01:13,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-07-20 13:01:13,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:13,462 INFO L225 Difference]: With dead ends: 245
[2020-07-20 13:01:13,462 INFO L226 Difference]: Without dead ends: 144
[2020-07-20 13:01:13,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:01:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2020-07-20 13:01:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144.
[2020-07-20 13:01:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states.
[2020-07-20 13:01:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions.
[2020-07-20 13:01:13,480 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 47
[2020-07-20 13:01:13,481 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:13,481 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions.
[2020-07-20 13:01:13,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions.
[2020-07-20 13:01:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 13:01:13,484 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:13,484 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 13:01:13,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:13,694 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1705860394, now seen corresponding path program 1 times
[2020-07-20 13:01:13,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:13,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9494950]
[2020-07-20 13:01:13,696 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 13:01:14,101 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:14,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:14,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:01:14,111 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:14,136 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 13:01:14,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:14,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9494950]
[2020-07-20 13:01:14,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:14,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:14,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250567766]
[2020-07-20 13:01:14,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:14,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:14,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:14,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:14,139 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states.
[2020-07-20 13:01:14,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:14,180 INFO L93 Difference]: Finished difference Result 380 states and 461 transitions.
[2020-07-20 13:01:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:01:14,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 13:01:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:14,185 INFO L225 Difference]: With dead ends: 380
[2020-07-20 13:01:14,185 INFO L226 Difference]: Without dead ends: 260
[2020-07-20 13:01:14,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 13:01:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2020-07-20 13:01:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 254.
[2020-07-20 13:01:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states.
[2020-07-20 13:01:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 307 transitions.
[2020-07-20 13:01:14,220 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 307 transitions. Word has length 52
[2020-07-20 13:01:14,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:14,221 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 307 transitions.
[2020-07-20 13:01:14,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions.
[2020-07-20 13:01:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 13:01:14,225 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:14,225 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 13:01:14,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:14,439 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:14,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:14,439 INFO L82 PathProgramCache]: Analyzing trace with hash -986744431, now seen corresponding path program 1 times
[2020-07-20 13:01:14,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:14,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710462062]
[2020-07-20 13:01:14,440 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 13:01:14,857 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:14,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:14,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:01:14,867 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:14,910 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 13:01:14,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:14,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710462062]
[2020-07-20 13:01:14,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:14,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:14,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418328431]
[2020-07-20 13:01:14,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:14,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:14,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:14,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:14,913 INFO L87 Difference]: Start difference. First operand 254 states and 307 transitions. Second operand 6 states.
[2020-07-20 13:01:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:15,167 INFO L93 Difference]: Finished difference Result 606 states and 767 transitions.
[2020-07-20 13:01:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 13:01:15,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57
[2020-07-20 13:01:15,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:15,172 INFO L225 Difference]: With dead ends: 606
[2020-07-20 13:01:15,173 INFO L226 Difference]: Without dead ends: 376
[2020-07-20 13:01:15,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 13:01:15,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states.
[2020-07-20 13:01:15,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 366.
[2020-07-20 13:01:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states.
[2020-07-20 13:01:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 445 transitions.
[2020-07-20 13:01:15,210 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 445 transitions. Word has length 57
[2020-07-20 13:01:15,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:15,211 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 445 transitions.
[2020-07-20 13:01:15,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 445 transitions.
[2020-07-20 13:01:15,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2020-07-20 13:01:15,215 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:15,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:15,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:15,431 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:15,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:15,432 INFO L82 PathProgramCache]: Analyzing trace with hash 557418004, now seen corresponding path program 1 times
[2020-07-20 13:01:15,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:15,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136171824]
[2020-07-20 13:01:15,432 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 13:01:15,748 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:15,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:15,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:01:15,758 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:15,812 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 13:01:15,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:15,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136171824]
[2020-07-20 13:01:15,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:15,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:15,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982637952]
[2020-07-20 13:01:15,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:15,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:15,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:15,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:15,815 INFO L87 Difference]: Start difference. First operand 366 states and 445 transitions. Second operand 6 states.
[2020-07-20 13:01:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:15,863 INFO L93 Difference]: Finished difference Result 718 states and 894 transitions.
[2020-07-20 13:01:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:01:15,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85
[2020-07-20 13:01:15,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:15,866 INFO L225 Difference]: With dead ends: 718
[2020-07-20 13:01:15,867 INFO L226 Difference]: Without dead ends: 376
[2020-07-20 13:01:15,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:01:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states.
[2020-07-20 13:01:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376.
[2020-07-20 13:01:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states.
[2020-07-20 13:01:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 455 transitions.
[2020-07-20 13:01:15,905 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 455 transitions. Word has length 85
[2020-07-20 13:01:15,906 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:15,906 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 455 transitions.
[2020-07-20 13:01:15,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 455 transitions.
[2020-07-20 13:01:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2020-07-20 13:01:15,911 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:15,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:16,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:16,126 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:16,127 INFO L82 PathProgramCache]: Analyzing trace with hash 832177618, now seen corresponding path program 1 times
[2020-07-20 13:01:16,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:16,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945564222]
[2020-07-20 13:01:16,128 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:16,452 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:16,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:16,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:01:16,461 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:16,488 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 13:01:16,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:16,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945564222]
[2020-07-20 13:01:16,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:16,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:01:16,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436040435]
[2020-07-20 13:01:16,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:01:16,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:16,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:01:16,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:01:16,490 INFO L87 Difference]: Start difference. First operand 376 states and 455 transitions. Second operand 5 states.
[2020-07-20 13:01:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:16,525 INFO L93 Difference]: Finished difference Result 742 states and 936 transitions.
[2020-07-20 13:01:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-20 13:01:16,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85
[2020-07-20 13:01:16,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:16,528 INFO L225 Difference]: With dead ends: 742
[2020-07-20 13:01:16,529 INFO L226 Difference]: Without dead ends: 390
[2020-07-20 13:01:16,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:01:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states.
[2020-07-20 13:01:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 384.
[2020-07-20 13:01:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states.
[2020-07-20 13:01:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 463 transitions.
[2020-07-20 13:01:16,551 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 463 transitions. Word has length 85
[2020-07-20 13:01:16,552 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:16,552 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 463 transitions.
[2020-07-20 13:01:16,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:01:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 463 transitions.
[2020-07-20 13:01:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2020-07-20 13:01:16,554 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:16,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:16,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:16,770 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:16,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1512489423, now seen corresponding path program 1 times
[2020-07-20 13:01:16,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:16,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769101686]
[2020-07-20 13:01:16,772 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:17,091 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:01:17,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:17,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:01:17,099 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:17,143 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 13:01:17,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:17,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769101686]
[2020-07-20 13:01:17,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:17,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:01:17,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032017580]
[2020-07-20 13:01:17,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:01:17,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:17,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:01:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:01:17,149 INFO L87 Difference]: Start difference. First operand 384 states and 463 transitions. Second operand 3 states.
[2020-07-20 13:01:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:17,219 INFO L93 Difference]: Finished difference Result 1062 states and 1361 transitions.
[2020-07-20 13:01:17,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:01:17,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85
[2020-07-20 13:01:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:17,224 INFO L225 Difference]: With dead ends: 1062
[2020-07-20 13:01:17,224 INFO L226 Difference]: Without dead ends: 702
[2020-07-20 13:01:17,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 1 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 13:01:17,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states.
[2020-07-20 13:01:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 699.
[2020-07-20 13:01:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states.
[2020-07-20 13:01:17,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 868 transitions.
[2020-07-20 13:01:17,261 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 868 transitions. Word has length 85
[2020-07-20 13:01:17,261 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:17,261 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 868 transitions.
[2020-07-20 13:01:17,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:01:17,261 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 868 transitions.
[2020-07-20 13:01:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2020-07-20 13:01:17,264 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:17,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:01:17,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:17,478 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:17,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:17,479 INFO L82 PathProgramCache]: Analyzing trace with hash -745851657, now seen corresponding path program 1 times
[2020-07-20 13:01:17,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:17,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823254440]
[2020-07-20 13:01:17,480 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:17,824 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:17,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:01:17,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 23 conjunts are in the unsatisfiable core
[2020-07-20 13:01:17,832 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:01:17,871 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 13:01:17,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:01:17,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823254440]
[2020-07-20 13:01:17,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:01:17,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:01:17,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140359683]
[2020-07-20 13:01:17,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:01:17,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:01:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:01:17,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:01:17,874 INFO L87 Difference]: Start difference. First operand 699 states and 868 transitions. Second operand 6 states.
[2020-07-20 13:01:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:01:18,107 INFO L93 Difference]: Finished difference Result 2014 states and 2562 transitions.
[2020-07-20 13:01:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 13:01:18,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89
[2020-07-20 13:01:18,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:01:18,116 INFO L225 Difference]: With dead ends: 2014
[2020-07-20 13:01:18,117 INFO L226 Difference]: Without dead ends: 1339
[2020-07-20 13:01:18,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 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 13:01:18,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states.
[2020-07-20 13:01:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1323.
[2020-07-20 13:01:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states.
[2020-07-20 13:01:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1650 transitions.
[2020-07-20 13:01:18,193 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1650 transitions. Word has length 89
[2020-07-20 13:01:18,193 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:01:18,193 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1650 transitions.
[2020-07-20 13:01:18,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:01:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1650 transitions.
[2020-07-20 13:01:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2020-07-20 13:01:18,198 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:01:18,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:18,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:18,414 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:01:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:01:18,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1174397627, now seen corresponding path program 1 times
[2020-07-20 13:01:18,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:01:18,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561883347]
[2020-07-20 13:01:18,415 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:18,859 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:01:18,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-20 13:01:18,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 13:01:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 13:01:18,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 13:01:19,196 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 13:01:19,197 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 13:01:19,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:01:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:19 BoogieIcfgContainer
[2020-07-20 13:01:19,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:01:19,579 INFO L168 Benchmark]: Toolchain (without parser) took 9557.44 ms. Allocated memory was 143.7 MB in the beginning and 326.1 MB in the end (delta: 182.5 MB). Free memory was 100.3 MB in the beginning and 203.4 MB in the end (delta: -103.1 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,580 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.46 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,581 INFO L168 Benchmark]: Boogie Preprocessor took 86.77 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,582 INFO L168 Benchmark]: RCFGBuilder took 1125.38 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 162.8 MB in the beginning and 188.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,583 INFO L168 Benchmark]: TraceAbstraction took 7628.88 ms. Allocated memory was 231.2 MB in the beginning and 326.1 MB in the end (delta: 94.9 MB). Free memory was 187.3 MB in the beginning and 203.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:01:19,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 711.46 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 86.77 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1125.38 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 162.8 MB in the beginning and 188.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 7628.88 ms. Allocated memory was 231.2 MB in the beginning and 326.1 MB in the end (delta: 94.9 MB). Free memory was 187.3 MB in the beginning and 203.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 806]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L490] int pumpRunning = 0;
[L491] int systemActive = 1;
[L811] int cleanupTimeShifts = 4;
[L908] int waterLevel = 1;
[L909] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=57, \old(head)=69, \old(head)=94, \old(methaneLevelCritical)=85, \old(pumpRunning)=91, \old(systemActive)=72, \old(waterLevel)=114, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L884] int retValue_acc ;
[L885] 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]
[L889] 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]
[L890] 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]
[L891] 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]
[L766] int retValue_acc ;
[L769] retValue_acc = 1
[L770] 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]
[L891] 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]
[L891] tmp = valid_product()
[L893] 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]
[L895] 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]
[L896] 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]
[L878] 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]
[L413] int splverifierCounter ;
[L414] int tmp ;
[L415] int tmp___0 ;
[L416] int tmp___1 ;
[L417] int tmp___2 ;
[L420] 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]
[L422] 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]
[L424] 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]
[L430] tmp = __VERIFIER_nondet_int()
[L432] 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]
[L434] 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]
[L926] COND TRUE waterLevel < 2
[L927] 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]
[L434] 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]
[L440] tmp___0 = __VERIFIER_nondet_int()
[L442] COND TRUE \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=1, waterLevel=2]
[L444] CALL changeMethaneLevel()
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]
[L938] COND FALSE !(\read(methaneLevelCritical))
[L941] methaneLevelCritical = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L444] RET changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L450] tmp___2 = __VERIFIER_nondet_int()
[L452] COND FALSE !(\read(tmp___2))
[L458] tmp___1 = __VERIFIER_nondet_int()
[L460] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2]
[L469] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L498] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L505] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L507] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L579] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L582] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L597] CALL processEnvironment__wrappee__lowWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L553] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L556] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L571] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L527] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L530] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L532] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L676] int retValue_acc ;
[L677] int tmp ;
[L678] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L682] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L988] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L991] COND FALSE !(waterLevel < 2)
[L995] retValue_acc = 0
[L996] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L682] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L682] tmp = isHighWaterSensorDry()
[L684] COND FALSE !(\read(tmp))
[L687] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L689] retValue_acc = tmp___0
[L690] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L532] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L532] tmp = isHighWaterLevel()
[L534] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L536] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L607] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L536] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L571] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L597] RET processEnvironment__wrappee__lowWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L507] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L513] CALL __utac_acc__Specification1_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L777] int tmp ;
[L778] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L782] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L947] int retValue_acc ;
[L950] retValue_acc = methaneLevelCritical
[L951] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L782] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L782] tmp = isMethaneLevelCritical()
[L784] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L786] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L631] int retValue_acc ;
[L634] retValue_acc = pumpRunning
[L635] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L786] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L786] tmp___0 = isPumpRunning()
[L788] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L790] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L806] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1487 SDtfs, 460 SDslu, 2738 SDs, 0 SdLazy, 216 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 543 GetRequests, 519 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 41 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 639 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 68754 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5461 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...