/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_product26.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-06 21:41:16,800 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-06 21:41:16,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-06 21:41:16,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-06 21:41:16,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-06 21:41:16,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-06 21:41:16,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-06 21:41:16,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-06 21:41:16,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-06 21:41:16,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-06 21:41:16,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-06 21:41:16,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-06 21:41:16,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-06 21:41:16,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-06 21:41:16,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-06 21:41:16,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-06 21:41:16,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-06 21:41:16,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-06 21:41:16,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-06 21:41:16,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-06 21:41:16,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-06 21:41:16,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-06 21:41:16,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-06 21:41:16,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-06 21:41:16,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-06 21:41:16,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-06 21:41:16,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-06 21:41:16,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-06 21:41:16,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-06 21:41:16,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-06 21:41:16,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-06 21:41:16,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-06 21:41:16,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-06 21:41:16,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-06 21:41:16,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-06 21:41:16,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-06 21:41:16,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-06 21:41:16,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-06 21:41:16,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-06 21:41:16,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-06 21:41:16,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-06 21:41:16,967 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 21:41:17,027 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-06 21:41:17,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-06 21:41:17,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-06 21:41:17,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-06 21:41:17,032 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-06 21:41:17,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-06 21:41:17,032 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-06 21:41:17,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-06 21:41:17,033 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-06 21:41:17,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-06 21:41:17,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-06 21:41:17,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-06 21:41:17,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-06 21:41:17,036 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-06 21:41:17,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-06 21:41:17,036 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-06 21:41:17,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-06 21:41:17,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-06 21:41:17,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-06 21:41:17,037 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-06 21:41:17,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-06 21:41:17,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 21:41:17,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-06 21:41:17,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-06 21:41:17,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-06 21:41:17,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-06 21:41:17,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-06 21:41:17,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-06 21:41:17,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-11-06 21:41:17,040 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-06 21:41:17,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-06 21:41:17,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-06 21:41:17,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-06 21:41:17,492 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-06 21:41:17,493 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-06 21:41:17,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c
[2020-11-06 21:41:17,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228aa16ad/7da6e8fdddc94fc488a8b0b72678fc89/FLAG6af4dbb19
[2020-11-06 21:41:18,401 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-06 21:41:18,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c
[2020-11-06 21:41:18,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228aa16ad/7da6e8fdddc94fc488a8b0b72678fc89/FLAG6af4dbb19
[2020-11-06 21:41:18,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228aa16ad/7da6e8fdddc94fc488a8b0b72678fc89
[2020-11-06 21:41:18,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-06 21:41:18,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-06 21:41:18,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-06 21:41:18,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-06 21:41:18,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-06 21:41:18,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:41:18" (1/1) ...
[2020-11-06 21:41:18,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ed8d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:18, skipping insertion in model container
[2020-11-06 21:41:18,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:41:18" (1/1) ...
[2020-11-06 21:41:18,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-06 21:41:18,753 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-06 21:41:19,215 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:41:19,228 INFO L203 MainTranslator]: Completed pre-run
[2020-11-06 21:41:19,337 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:41:19,387 INFO L208 MainTranslator]: Completed translation
[2020-11-06 21:41:19,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19 WrapperNode
[2020-11-06 21:41:19,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-06 21:41:19,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-06 21:41:19,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-06 21:41:19,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-06 21:41:19,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (1/1) ...
[2020-11-06 21:41:19,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-06 21:41:19,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-06 21:41:19,480 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-06 21:41:19,480 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-06 21:41:19,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (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 21:41:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-06 21:41:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-06 21:41:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:41:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-06 21:41:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-11-06 21:41:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-11-06 21:41:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-11-06 21:41:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-11-06 21:41:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-11-06 21:41:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-11-06 21:41:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-11-06 21:41:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-06 21:41:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-11-06 21:41:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-11-06 21:41:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-11-06 21:41:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-06 21:41:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-06 21:41:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-11-06 21:41:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-11-06 21:41:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-11-06 21:41:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-06 21:41:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-06 21:41:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-06 21:41:20,798 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-06 21:41:20,799 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-06 21:41:20,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:41:20 BoogieIcfgContainer
[2020-11-06 21:41:20,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-06 21:41:20,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-06 21:41:20,808 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-06 21:41:20,811 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-06 21:41:20,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:41:18" (1/3) ...
[2020-11-06 21:41:20,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141737f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:41:20, skipping insertion in model container
[2020-11-06 21:41:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:19" (2/3) ...
[2020-11-06 21:41:20,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141737f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:41:20, skipping insertion in model container
[2020-11-06 21:41:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:41:20" (3/3) ...
[2020-11-06 21:41:20,816 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c
[2020-11-06 21:41:20,833 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-06 21:41:20,837 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-11-06 21:41:20,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-11-06 21:41:20,882 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-06 21:41:20,882 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-06 21:41:20,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-06 21:41:20,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-06 21:41:20,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-06 21:41:20,882 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-06 21:41:20,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-06 21:41:20,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-06 21:41:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states.
[2020-11-06 21:41:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-11-06 21:41:20,915 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:20,916 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 21:41:20,917 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 21:41:20,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:20,924 INFO L82 PathProgramCache]: Analyzing trace with hash 621238521, now seen corresponding path program 1 times
[2020-11-06 21:41:20,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:20,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684586661]
[2020-11-06 21:41:20,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,685 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:41:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:41:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:41:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:41:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:41:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:41:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-11-06 21:41:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:41:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:41:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:21,796 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 21:41:21,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684586661]
[2020-11-06 21:41:21,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:41:21,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-06 21:41:21,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915106681]
[2020-11-06 21:41:21,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 21:41:21,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:41:21,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 21:41:21,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-06 21:41:21,827 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states.
[2020-11-06 21:41:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:41:23,208 INFO L93 Difference]: Finished difference Result 273 states and 357 transitions.
[2020-11-06 21:41:23,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-06 21:41:23,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-11-06 21:41:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:41:23,224 INFO L225 Difference]: With dead ends: 273
[2020-11-06 21:41:23,224 INFO L226 Difference]: Without dead ends: 146
[2020-11-06 21:41:23,229 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 21:41:23,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2020-11-06 21:41:23,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115.
[2020-11-06 21:41:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-11-06 21:41:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions.
[2020-11-06 21:41:23,330 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 53
[2020-11-06 21:41:23,330 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:41:23,331 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions.
[2020-11-06 21:41:23,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 21:41:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions.
[2020-11-06 21:41:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2020-11-06 21:41:23,335 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:23,335 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 21:41:23,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-06 21:41:23,336 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 21:41:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:23,336 INFO L82 PathProgramCache]: Analyzing trace with hash 732222427, now seen corresponding path program 1 times
[2020-11-06 21:41:23,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:23,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979249564]
[2020-11-06 21:41:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,785 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:41:23,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:41:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:41:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:41:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:41:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:41:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:41:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-11-06 21:41:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-11-06 21:41:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:23,844 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 21:41:23,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979249564]
[2020-11-06 21:41:23,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:41:23,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-06 21:41:23,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976450965]
[2020-11-06 21:41:23,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-06 21:41:23,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:41:23,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-06 21:41:23,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-06 21:41:23,848 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 4 states.
[2020-11-06 21:41:24,489 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:41:25,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:41:25,425 INFO L93 Difference]: Finished difference Result 199 states and 240 transitions.
[2020-11-06 21:41:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-06 21:41:25,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54
[2020-11-06 21:41:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:41:25,432 INFO L225 Difference]: With dead ends: 199
[2020-11-06 21:41:25,432 INFO L226 Difference]: Without dead ends: 130
[2020-11-06 21:41:25,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-06 21:41:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-11-06 21:41:25,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106.
[2020-11-06 21:41:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states.
[2020-11-06 21:41:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions.
[2020-11-06 21:41:25,501 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 54
[2020-11-06 21:41:25,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:41:25,501 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions.
[2020-11-06 21:41:25,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-06 21:41:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions.
[2020-11-06 21:41:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-11-06 21:41:25,507 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:25,508 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 21:41:25,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-06 21:41:25,508 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 21:41:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:25,509 INFO L82 PathProgramCache]: Analyzing trace with hash 881634957, now seen corresponding path program 1 times
[2020-11-06 21:41:25,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:25,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835916106]
[2020-11-06 21:41:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,046 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:41:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:41:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:41:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:41:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:41:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:41:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:41:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:41:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-11-06 21:41:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:26,146 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 21:41:26,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835916106]
[2020-11-06 21:41:26,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:41:26,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:41:26,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928353168]
[2020-11-06 21:41:26,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:41:26,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:41:26,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:41:26,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:41:26,151 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 8 states.
[2020-11-06 21:41:26,687 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:41:27,156 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:27,555 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:27,944 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:29,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:41:29,199 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions.
[2020-11-06 21:41:29,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-11-06 21:41:29,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59
[2020-11-06 21:41:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:41:29,202 INFO L225 Difference]: With dead ends: 212
[2020-11-06 21:41:29,202 INFO L226 Difference]: Without dead ends: 130
[2020-11-06 21:41:29,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-11-06 21:41:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-11-06 21:41:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106.
[2020-11-06 21:41:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states.
[2020-11-06 21:41:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions.
[2020-11-06 21:41:29,255 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 59
[2020-11-06 21:41:29,256 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:41:29,256 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions.
[2020-11-06 21:41:29,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:41:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions.
[2020-11-06 21:41:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2020-11-06 21:41:29,264 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:29,264 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]
[2020-11-06 21:41:29,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-06 21:41:29,265 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 21:41:29,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:29,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1518105728, now seen corresponding path program 1 times
[2020-11-06 21:41:29,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:29,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140200725]
[2020-11-06 21:41:29,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,757 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:41:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:41:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:41:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:41:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:41:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:41:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-11-06 21:41:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:41:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2020-11-06 21:41:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2020-11-06 21:41:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-11-06 21:41:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:29,876 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 21:41:29,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140200725]
[2020-11-06 21:41:29,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:41:29,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:41:29,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655638474]
[2020-11-06 21:41:29,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:41:29,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:41:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:41:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:41:29,878 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 8 states.
[2020-11-06 21:41:30,441 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:41:32,071 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:32,544 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:32,964 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:41:33,377 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:41:34,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:41:34,153 INFO L93 Difference]: Finished difference Result 316 states and 410 transitions.
[2020-11-06 21:41:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-11-06 21:41:34,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67
[2020-11-06 21:41:34,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:41:34,161 INFO L225 Difference]: With dead ends: 316
[2020-11-06 21:41:34,161 INFO L226 Difference]: Without dead ends: 234
[2020-11-06 21:41:34,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 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 21:41:34,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states.
[2020-11-06 21:41:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 185.
[2020-11-06 21:41:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states.
[2020-11-06 21:41:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 216 transitions.
[2020-11-06 21:41:34,221 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 216 transitions. Word has length 67
[2020-11-06 21:41:34,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:41:34,221 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 216 transitions.
[2020-11-06 21:41:34,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:41:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 216 transitions.
[2020-11-06 21:41:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2020-11-06 21:41:34,223 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:34,223 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]
[2020-11-06 21:41:34,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-06 21:41:34,224 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 21:41:34,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:34,225 INFO L82 PathProgramCache]: Analyzing trace with hash -615398624, now seen corresponding path program 1 times
[2020-11-06 21:41:34,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:34,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221734415]
[2020-11-06 21:41:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,649 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:41:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:41:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:41:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:41:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:41:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:41:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2020-11-06 21:41:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-11-06 21:41:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:41:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:41:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2020-11-06 21:41:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2020-11-06 21:41:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2020-11-06 21:41:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:41:34,738 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 21:41:34,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221734415]
[2020-11-06 21:41:34,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:41:34,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-06 21:41:34,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742319778]
[2020-11-06 21:41:34,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-06 21:41:34,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:41:34,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-06 21:41:34,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-11-06 21:41:34,741 INFO L87 Difference]: Start difference. First operand 185 states and 216 transitions. Second operand 6 states.
[2020-11-06 21:41:35,212 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:41:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:41:35,911 INFO L93 Difference]: Finished difference Result 308 states and 375 transitions.
[2020-11-06 21:41:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-11-06 21:41:35,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75
[2020-11-06 21:41:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:41:35,914 INFO L225 Difference]: With dead ends: 308
[2020-11-06 21:41:35,914 INFO L226 Difference]: Without dead ends: 147
[2020-11-06 21:41:35,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-11-06 21:41:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2020-11-06 21:41:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 134.
[2020-11-06 21:41:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2020-11-06 21:41:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 149 transitions.
[2020-11-06 21:41:35,956 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 149 transitions. Word has length 75
[2020-11-06 21:41:35,956 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:41:35,956 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 149 transitions.
[2020-11-06 21:41:35,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-06 21:41:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions.
[2020-11-06 21:41:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2020-11-06 21:41:35,958 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:41:35,958 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]
[2020-11-06 21:41:35,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-06 21:41:35,958 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 21:41:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:41:35,959 INFO L82 PathProgramCache]: Analyzing trace with hash 138050822, now seen corresponding path program 1 times
[2020-11-06 21:41:35,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:41:35,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934814672]
[2020-11-06 21:41:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:41:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:41:36,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:41:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:41:36,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:41:36,266 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-11-06 21:41:36,267 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-06 21:41:36,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-06 21:41:36,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:41:36 BoogieIcfgContainer
[2020-11-06 21:41:36,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-06 21:41:36,481 INFO L168 Benchmark]: Toolchain (without parser) took 17825.74 ms. Allocated memory was 153.1 MB in the beginning and 320.9 MB in the end (delta: 167.8 MB). Free memory was 127.4 MB in the beginning and 263.8 MB in the end (delta: -136.4 MB). Peak memory consumption was 191.5 MB. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,482 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 100.6 MB in the beginning and 100.6 MB in the end (delta: 62.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.14 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 133.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,489 INFO L168 Benchmark]: Boogie Preprocessor took 90.00 ms. Allocated memory is still 153.1 MB. Free memory was 133.3 MB in the beginning and 129.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,490 INFO L168 Benchmark]: RCFGBuilder took 1325.37 ms. Allocated memory is still 153.1 MB. Free memory was 129.4 MB in the beginning and 85.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 45.0 MB. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,491 INFO L168 Benchmark]: TraceAbstraction took 15669.26 ms. Allocated memory was 153.1 MB in the beginning and 320.9 MB in the end (delta: 167.8 MB). Free memory was 84.7 MB in the beginning and 263.8 MB in the end (delta: -179.2 MB). Peak memory consumption was 147.8 MB. Max. memory is 8.0 GB.
[2020-11-06 21:41:36,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 100.6 MB in the beginning and 100.6 MB in the end (delta: 62.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 725.14 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 133.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 90.00 ms. Allocated memory is still 153.1 MB. Free memory was 133.3 MB in the beginning and 129.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1325.37 ms. Allocated memory is still 153.1 MB. Free memory was 129.4 MB in the beginning and 85.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 45.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 15669.26 ms. Allocated memory was 153.1 MB in the beginning and 320.9 MB in the end (delta: 167.8 MB). Free memory was 84.7 MB in the beginning and 263.8 MB in the end (delta: -179.2 MB). Peak memory consumption was 147.8 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:
[L42] int cleanupTimeShifts = 4;
[L186] int waterLevel = 1;
[L187] int methaneLevelCritical = 0;
[L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L654] int pumpRunning = 0;
[L655] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123] int retValue_acc ;
[L124] 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]
[L128] 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]
[L129] 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]
[L130] 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]
[L172] int retValue_acc ;
[L175] retValue_acc = 1
[L176] 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]
[L130] 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]
[L130] tmp = valid_product()
[L132] 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]
[L134] 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]
[L135] 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]
[L114] 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]
[L834] int splverifierCounter ;
[L835] int tmp ;
[L836] int tmp___0 ;
[L837] int tmp___1 ;
[L838] int tmp___2 ;
[L841] 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]
[L843] 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]
[L845] 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]
[L851] tmp = __VERIFIER_nondet_int()
[L853] 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]
[L855] 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]
[L204] COND TRUE waterLevel < 2
[L205] 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]
[L855] 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]
[L861] tmp___0 = __VERIFIER_nondet_int()
[L863] 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]
[L871] tmp___2 = __VERIFIER_nondet_int()
[L873] COND FALSE !(\read(tmp___2))
[L879] tmp___1 = __VERIFIER_nondet_int()
[L881] 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]
[L888] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L662] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L669] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L671] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L691] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L694] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L709] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L671] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L677] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L901] int tmp ;
[L902] int tmp___0 ;
[L903] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L907] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L225] int retValue_acc ;
[L228] retValue_acc = methaneLevelCritical
[L229] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L907] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L907] tmp = isMethaneLevelCritical()
[L909] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L913] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L257] int retValue_acc ;
[L260] retValue_acc = waterLevel
[L261] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L913] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L913] tmp___0 = getWaterLevel()
[L915] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L917] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L761] int retValue_acc ;
[L764] retValue_acc = pumpRunning
[L765] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L917] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L917] tmp___1 = isPumpRunning()
[L919] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L923] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L645] 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=1, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product26.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=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 462 SDtfs, 708 SDslu, 254 SDs, 0 SdLazy, 1377 SolverSat, 462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 141 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 92912 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...