/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-06 21:41:57,189 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-06 21:41:57,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-06 21:41:57,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-06 21:41:57,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-06 21:41:57,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-06 21:41:57,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-06 21:41:57,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-06 21:41:57,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-06 21:41:57,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-06 21:41:57,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-06 21:41:57,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-06 21:41:57,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-06 21:41:57,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-06 21:41:57,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-06 21:41:57,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-06 21:41:57,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-06 21:41:57,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-06 21:41:57,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-06 21:41:57,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-06 21:41:57,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-06 21:41:57,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-06 21:41:57,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-06 21:41:57,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-06 21:41:57,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-06 21:41:57,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-06 21:41:57,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-06 21:41:57,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-06 21:41:57,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-06 21:41:57,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-06 21:41:57,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-06 21:41:57,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-06 21:41:57,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-06 21:41:57,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-06 21:41:57,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-06 21:41:57,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-06 21:41:57,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-06 21:41:57,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-06 21:41:57,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-06 21:41:57,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-06 21:41:57,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-06 21:41:57,338 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
[2020-11-06 21:41:57,396 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-06 21:41:57,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-06 21:41:57,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-06 21:41:57,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-06 21:41:57,401 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-06 21:41:57,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-06 21:41:57,402 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-06 21:41:57,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-06 21:41:57,402 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-06 21:41:57,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-06 21:41:57,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-06 21:41:57,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-06 21:41:57,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-06 21:41:57,405 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-06 21:41:57,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-06 21:41:57,405 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-06 21:41:57,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-06 21:41:57,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-06 21:41:57,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-06 21:41:57,406 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-06 21:41:57,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-06 21:41:57,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 21:41:57,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-06 21:41:57,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-06 21:41:57,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-06 21:41:57,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-06 21:41:57,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-06 21:41:57,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-06 21:41:57,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-11-06 21:41:57,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-06 21:41:57,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-06 21:41:57,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-06 21:41:57,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-06 21:41:57,887 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-06 21:41:57,891 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-06 21:41:57,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c
[2020-11-06 21:41:57,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a22c4b1/23558e98312a4408b5ec38cb04313b9a/FLAG887fb3901
[2020-11-06 21:41:58,727 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-06 21:41:58,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c
[2020-11-06 21:41:58,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a22c4b1/23558e98312a4408b5ec38cb04313b9a/FLAG887fb3901
[2020-11-06 21:41:58,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a22c4b1/23558e98312a4408b5ec38cb04313b9a
[2020-11-06 21:41:58,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-06 21:41:58,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-06 21:41:58,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-06 21:41:58,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-06 21:41:58,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-06 21:41:58,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:41:58" (1/1) ...
[2020-11-06 21:41:58,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3446e9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:58, skipping insertion in model container
[2020-11-06 21:41:58,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:41:58" (1/1) ...
[2020-11-06 21:41:58,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-06 21:41:59,037 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-06 21:41:59,327 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:41:59,339 INFO L203 MainTranslator]: Completed pre-run
[2020-11-06 21:41:59,488 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:41:59,531 INFO L208 MainTranslator]: Completed translation
[2020-11-06 21:41:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59 WrapperNode
[2020-11-06 21:41:59,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-06 21:41:59,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-06 21:41:59,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-06 21:41:59,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-06 21:41:59,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (1/1) ...
[2020-11-06 21:41:59,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-06 21:41:59,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-06 21:41:59,652 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-06 21:41:59,653 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-06 21:41:59,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (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
[2020-11-06 21:41:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-06 21:41:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-06 21:41:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:41:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-06 21:41:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-11-06 21:41:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-11-06 21:41:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-11-06 21:41:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-11-06 21:41:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-11-06 21:41:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-11-06 21:41:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-11-06 21:41:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-11-06 21:41:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-11-06 21:41:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-11-06 21:41:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-06 21:41:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-06 21:41:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-11-06 21:41:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-11-06 21:41:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-06 21:41:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:41:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-11-06 21:41:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-11-06 21:41:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-11-06 21:41:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-06 21:41:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-06 21:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-06 21:41:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-06 21:42:00,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-06 21:42:00,893 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-06 21:42:00,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:00 BoogieIcfgContainer
[2020-11-06 21:42:00,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-06 21:42:00,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-06 21:42:00,898 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-06 21:42:00,902 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-06 21:42:00,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:41:58" (1/3) ...
[2020-11-06 21:42:00,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c41956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:00, skipping insertion in model container
[2020-11-06 21:42:00,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:59" (2/3) ...
[2020-11-06 21:42:00,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c41956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:00, skipping insertion in model container
[2020-11-06 21:42:00,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:00" (3/3) ...
[2020-11-06 21:42:00,906 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c
[2020-11-06 21:42:00,924 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-06 21:42:00,929 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-11-06 21:42:00,943 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-11-06 21:42:00,974 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-06 21:42:00,975 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-06 21:42:00,975 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-06 21:42:00,975 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-06 21:42:00,975 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-06 21:42:00,975 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-06 21:42:00,975 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-06 21:42:00,976 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-06 21:42:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states.
[2020-11-06 21:42:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-11-06 21:42:01,014 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:01,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:42:01,037 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:01,045 INFO L82 PathProgramCache]: Analyzing trace with hash -209825973, now seen corresponding path program 1 times
[2020-11-06 21:42:01,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:01,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365250440]
[2020-11-06 21:42:01,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,752 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:42:01,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:42:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:42:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:42:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:42:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:42:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-11-06 21:42:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:42:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:42:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:42:01,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365250440]
[2020-11-06 21:42:01,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:42:01,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-06 21:42:01,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467965664]
[2020-11-06 21:42:01,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 21:42:01,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:42:01,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 21:42:01,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-06 21:42:01,914 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 3 states.
[2020-11-06 21:42:03,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:42:03,468 INFO L93 Difference]: Finished difference Result 337 states and 437 transitions.
[2020-11-06 21:42:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-06 21:42:03,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-11-06 21:42:03,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:42:03,484 INFO L225 Difference]: With dead ends: 337
[2020-11-06 21:42:03,485 INFO L226 Difference]: Without dead ends: 180
[2020-11-06 21:42:03,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-06 21:42:03,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2020-11-06 21:42:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 145.
[2020-11-06 21:42:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states.
[2020-11-06 21:42:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions.
[2020-11-06 21:42:03,626 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 53
[2020-11-06 21:42:03,626 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:42:03,627 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions.
[2020-11-06 21:42:03,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 21:42:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions.
[2020-11-06 21:42:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2020-11-06 21:42:03,637 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:03,638 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]
[2020-11-06 21:42:03,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-06 21:42:03,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:03,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:03,639 INFO L82 PathProgramCache]: Analyzing trace with hash 391160786, now seen corresponding path program 1 times
[2020-11-06 21:42:03,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:03,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511195588]
[2020-11-06 21:42:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,091 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:42:04,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:42:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:42:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:42:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:42:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:42:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:42:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-11-06 21:42:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-11-06 21:42:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:42:04,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511195588]
[2020-11-06 21:42:04,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:42:04,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-06 21:42:04,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465685299]
[2020-11-06 21:42:04,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-06 21:42:04,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:42:04,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-06 21:42:04,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-06 21:42:04,147 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 4 states.
[2020-11-06 21:42:04,813 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:42:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:42:05,964 INFO L93 Difference]: Finished difference Result 257 states and 312 transitions.
[2020-11-06 21:42:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-06 21:42:05,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54
[2020-11-06 21:42:05,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:42:05,970 INFO L225 Difference]: With dead ends: 257
[2020-11-06 21:42:05,971 INFO L226 Difference]: Without dead ends: 164
[2020-11-06 21:42:05,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-06 21:42:05,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2020-11-06 21:42:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 136.
[2020-11-06 21:42:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-11-06 21:42:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions.
[2020-11-06 21:42:06,028 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 54
[2020-11-06 21:42:06,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:42:06,029 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions.
[2020-11-06 21:42:06,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-06 21:42:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions.
[2020-11-06 21:42:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-11-06 21:42:06,031 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:06,031 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]
[2020-11-06 21:42:06,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-06 21:42:06,032 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:06,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:06,032 INFO L82 PathProgramCache]: Analyzing trace with hash -602684757, now seen corresponding path program 1 times
[2020-11-06 21:42:06,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:06,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150103309]
[2020-11-06 21:42:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,565 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:42:06,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:42:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:42:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:42:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:42:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:42:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:42:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:42:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-11-06 21:42:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:42:06,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150103309]
[2020-11-06 21:42:06,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:42:06,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:42:06,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694439486]
[2020-11-06 21:42:06,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:42:06,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:42:06,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:42:06,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:42:06,656 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 8 states.
[2020-11-06 21:42:07,179 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:42:07,644 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:08,020 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:08,428 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:09,386 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:42:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:42:11,944 INFO L93 Difference]: Finished difference Result 470 states and 579 transitions.
[2020-11-06 21:42:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-06 21:42:11,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59
[2020-11-06 21:42:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:42:11,950 INFO L225 Difference]: With dead ends: 470
[2020-11-06 21:42:11,950 INFO L226 Difference]: Without dead ends: 358
[2020-11-06 21:42:11,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-11-06 21:42:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states.
[2020-11-06 21:42:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 291.
[2020-11-06 21:42:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states.
[2020-11-06 21:42:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions.
[2020-11-06 21:42:12,050 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 59
[2020-11-06 21:42:12,050 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:42:12,051 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions.
[2020-11-06 21:42:12,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:42:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions.
[2020-11-06 21:42:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-11-06 21:42:12,052 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:12,052 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]
[2020-11-06 21:42:12,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-06 21:42:12,053 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:12,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:12,054 INFO L82 PathProgramCache]: Analyzing trace with hash 901865157, now seen corresponding path program 1 times
[2020-11-06 21:42:12,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:12,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653462340]
[2020-11-06 21:42:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,520 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:42:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:42:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:42:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:42:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:42:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:42:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:42:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-11-06 21:42:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-11-06 21:42:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-11-06 21:42:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:42:12,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653462340]
[2020-11-06 21:42:12,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:42:12,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:42:12,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621848055]
[2020-11-06 21:42:12,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:42:12,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:42:12,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:42:12,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:42:12,651 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 8 states.
[2020-11-06 21:42:13,176 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:42:14,980 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:15,531 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:15,951 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:42:16,363 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:42:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:42:17,461 INFO L93 Difference]: Finished difference Result 895 states and 1169 transitions.
[2020-11-06 21:42:17,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-11-06 21:42:17,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64
[2020-11-06 21:42:17,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:42:17,470 INFO L225 Difference]: With dead ends: 895
[2020-11-06 21:42:17,470 INFO L226 Difference]: Without dead ends: 628
[2020-11-06 21:42:17,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2020-11-06 21:42:17,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states.
[2020-11-06 21:42:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 558.
[2020-11-06 21:42:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states.
[2020-11-06 21:42:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 684 transitions.
[2020-11-06 21:42:17,677 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 684 transitions. Word has length 64
[2020-11-06 21:42:17,677 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:42:17,677 INFO L481 AbstractCegarLoop]: Abstraction has 558 states and 684 transitions.
[2020-11-06 21:42:17,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:42:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 684 transitions.
[2020-11-06 21:42:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-11-06 21:42:17,681 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:17,681 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]
[2020-11-06 21:42:17,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-06 21:42:17,682 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash -519979585, now seen corresponding path program 1 times
[2020-11-06 21:42:17,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:17,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183039905]
[2020-11-06 21:42:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,060 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:42:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:42:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:42:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:42:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:42:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:42:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:42:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-11-06 21:42:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-11-06 21:42:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-11-06 21:42:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2020-11-06 21:42:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:42:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:42:18,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183039905]
[2020-11-06 21:42:18,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:42:18,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-06 21:42:18,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301822320]
[2020-11-06 21:42:18,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-06 21:42:18,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:42:18,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-06 21:42:18,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-11-06 21:42:18,186 INFO L87 Difference]: Start difference. First operand 558 states and 684 transitions. Second operand 6 states.
[2020-11-06 21:42:18,621 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:42:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:42:21,080 INFO L93 Difference]: Finished difference Result 1330 states and 1727 transitions.
[2020-11-06 21:42:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-11-06 21:42:21,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68
[2020-11-06 21:42:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:42:21,088 INFO L225 Difference]: With dead ends: 1330
[2020-11-06 21:42:21,088 INFO L226 Difference]: Without dead ends: 796
[2020-11-06 21:42:21,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-11-06 21:42:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states.
[2020-11-06 21:42:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 722.
[2020-11-06 21:42:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states.
[2020-11-06 21:42:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 877 transitions.
[2020-11-06 21:42:21,304 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 877 transitions. Word has length 68
[2020-11-06 21:42:21,305 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:42:21,305 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 877 transitions.
[2020-11-06 21:42:21,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-06 21:42:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 877 transitions.
[2020-11-06 21:42:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-11-06 21:42:21,308 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:42:21,309 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]
[2020-11-06 21:42:21,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-06 21:42:21,310 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:42:21,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:42:21,311 INFO L82 PathProgramCache]: Analyzing trace with hash 915809535, now seen corresponding path program 1 times
[2020-11-06 21:42:21,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:42:21,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28177471]
[2020-11-06 21:42:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:42:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:42:21,431 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:42:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:42:21,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:42:21,622 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-11-06 21:42:21,623 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-06 21:42:21,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-06 21:42:21,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:42:21 BoogieIcfgContainer
[2020-11-06 21:42:21,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-06 21:42:21,754 INFO L168 Benchmark]: Toolchain (without parser) took 22803.71 ms. Allocated memory was 168.8 MB in the beginning and 457.2 MB in the end (delta: 288.4 MB). Free memory was 143.1 MB in the beginning and 398.9 MB in the end (delta: -255.8 MB). Peak memory consumption was 273.7 MB. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,755 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 168.8 MB. Free memory is still 141.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.13 ms. Allocated memory is still 168.8 MB. Free memory was 142.4 MB in the beginning and 120.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,756 INFO L168 Benchmark]: Boogie Preprocessor took 118.02 ms. Allocated memory is still 168.8 MB. Free memory was 120.6 MB in the beginning and 116.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,757 INFO L168 Benchmark]: RCFGBuilder took 1244.06 ms. Allocated memory is still 168.8 MB. Free memory was 116.6 MB in the beginning and 61.9 MB in the end (delta: 54.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,758 INFO L168 Benchmark]: TraceAbstraction took 20853.94 ms. Allocated memory was 168.8 MB in the beginning and 457.2 MB in the end (delta: 288.4 MB). Free memory was 61.4 MB in the beginning and 398.9 MB in the end (delta: -337.5 MB). Peak memory consumption was 191.4 MB. Max. memory is 8.0 GB.
[2020-11-06 21:42:21,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 168.8 MB. Free memory is still 141.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 573.13 ms. Allocated memory is still 168.8 MB. Free memory was 142.4 MB in the beginning and 120.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 118.02 ms. Allocated memory is still 168.8 MB. Free memory was 120.6 MB in the beginning and 116.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1244.06 ms. Allocated memory is still 168.8 MB. Free memory was 116.6 MB in the beginning and 61.9 MB in the end (delta: 54.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 20853.94 ms. Allocated memory was 168.8 MB in the beginning and 457.2 MB in the end (delta: 288.4 MB). Free memory was 61.4 MB in the beginning and 398.9 MB in the end (delta: -337.5 MB). Peak memory consumption was 191.4 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L86] int waterLevel = 1;
[L87] int methaneLevelCritical = 0;
[L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L561] int pumpRunning = 0;
[L562] int systemActive = 1;
[L898] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L971] int retValue_acc ;
[L972] 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]
[L976] 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]
[L977] 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]
[L978] 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]
[L889] int retValue_acc ;
[L892] retValue_acc = 1
[L893] 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]
[L978] 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]
[L978] tmp = valid_product()
[L980] 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]
[L982] 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]
[L983] 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]
[L965] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L783] int splverifierCounter ;
[L784] int tmp ;
[L785] int tmp___0 ;
[L786] int tmp___1 ;
[L787] int tmp___2 ;
[L790] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L792] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L794] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L800] tmp = __VERIFIER_nondet_int()
[L802] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L804] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L104] COND TRUE waterLevel < 2
[L105] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L804] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L810] tmp___0 = __VERIFIER_nondet_int()
[L812] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L820] tmp___2 = __VERIFIER_nondet_int()
[L822] COND FALSE !(\read(tmp___2))
[L828] tmp___1 = __VERIFIER_nondet_int()
[L830] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L832] CALL stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L761] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L768] systemActive = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L832] RET stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L839] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L568] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L575] COND FALSE !(\read(systemActive))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L583] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L53] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L125] int retValue_acc ;
[L128] retValue_acc = methaneLevelCritical
[L129] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L53] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L53] tmp = isMethaneLevelCritical()
[L55] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L59] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L157] int retValue_acc ;
[L160] retValue_acc = waterLevel
[L161] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L59] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L59] tmp___0 = getWaterLevel()
[L61] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L63] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L675] int retValue_acc ;
[L678] retValue_acc = pumpRunning
[L679] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L63] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L63] tmp___1 = isPumpRunning()
[L65] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L69] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L855] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product52.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 43 procedures, 260 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 672 SDtfs, 1055 SDslu, 479 SDs, 0 SdLazy, 2549 SolverSat, 663 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=722occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 274 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 89702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...