/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_spec4_product43.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 17:42:41,717 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 17:42:41,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 17:42:41,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 17:42:41,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 17:42:41,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 17:42:41,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 17:42:41,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 17:42:41,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 17:42:41,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 17:42:41,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 17:42:41,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 17:42:41,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 17:42:41,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 17:42:41,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 17:42:41,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 17:42:41,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 17:42:41,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 17:42:41,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 17:42:41,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 17:42:41,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 17:42:41,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 17:42:41,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 17:42:41,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 17:42:41,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 17:42:41,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 17:42:41,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 17:42:41,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-23 17:42:41,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-23 17:42:41,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-23 17:42:41,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 17:42:41,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-23 17:42:41,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-23 17:42:41,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-23 17:42:41,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-23 17:42:41,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-23 17:42:41,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-23 17:42:41,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-23 17:42:41,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-23 17:42:41,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-23 17:42:41,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 17:42:41,856 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
[2020-10-23 17:42:41,909 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 17:42:41,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 17:42:41,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-23 17:42:41,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-23 17:42:41,915 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-23 17:42:41,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 17:42:41,915 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 17:42:41,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 17:42:41,915 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 17:42:41,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 17:42:41,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 17:42:41,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 17:42:41,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 17:42:41,917 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 17:42:41,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 17:42:41,918 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 17:42:41,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 17:42:41,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 17:42:41,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-23 17:42:41,918 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 17:42:41,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 17:42:41,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 17:42:41,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 17:42:41,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-10-23 17:42:41,921 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-10-23 17:42:42,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 17:42:42,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 17:42:42,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 17:42:42,372 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 17:42:42,373 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 17:42:42,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c
[2020-10-23 17:42:42,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fa3d428/97803ad4f1734b10b638450a5bcca61d/FLAG9c9fb4499
[2020-10-23 17:42:43,163 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 17:42:43,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c
[2020-10-23 17:42:43,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fa3d428/97803ad4f1734b10b638450a5bcca61d/FLAG9c9fb4499
[2020-10-23 17:42:43,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fa3d428/97803ad4f1734b10b638450a5bcca61d
[2020-10-23 17:42:43,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 17:42:43,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 17:42:43,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 17:42:43,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 17:42:43,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 17:42:43,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:42:43" (1/1) ...
[2020-10-23 17:42:43,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba0ad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:43, skipping insertion in model container
[2020-10-23 17:42:43,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:42:43" (1/1) ...
[2020-10-23 17:42:43,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 17:42:43,537 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 17:42:43,825 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 17:42:43,837 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 17:42:43,983 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 17:42:44,027 INFO L208 MainTranslator]: Completed translation
[2020-10-23 17:42:44,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44 WrapperNode
[2020-10-23 17:42:44,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 17:42:44,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 17:42:44,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 17:42:44,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 17:42:44,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (1/1) ...
[2020-10-23 17:42:44,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 17:42:44,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 17:42:44,211 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 17:42:44,211 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 17:42:44,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (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
[2020-10-23 17:42:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 17:42:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 17:42:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-23 17:42:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 17:42:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-23 17:42:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-23 17:42:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-10-23 17:42:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-23 17:42:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-23 17:42:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-10-23 17:42:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-10-23 17:42:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-23 17:42:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-23 17:42:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-23 17:42:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-23 17:42:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-23 17:42:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-23 17:42:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-23 17:42:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-10-23 17:42:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 17:42:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 17:42:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 17:42:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 17:42:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-23 17:42:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-10-23 17:42:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-23 17:42:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-23 17:42:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 17:42:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-23 17:42:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 17:42:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 17:42:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 17:42:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-23 17:42:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 17:42:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-23 17:42:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 17:42:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 17:42:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 17:42:45,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 17:42:45,632 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-23 17:42:45,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:42:45 BoogieIcfgContainer
[2020-10-23 17:42:45,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 17:42:45,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 17:42:45,636 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 17:42:45,640 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 17:42:45,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:42:43" (1/3) ...
[2020-10-23 17:42:45,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc095fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:42:45, skipping insertion in model container
[2020-10-23 17:42:45,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:42:44" (2/3) ...
[2020-10-23 17:42:45,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc095fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:42:45, skipping insertion in model container
[2020-10-23 17:42:45,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:42:45" (3/3) ...
[2020-10-23 17:42:45,644 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c
[2020-10-23 17:42:45,658 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-10-23 17:42:45,664 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-23 17:42:45,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-23 17:42:45,710 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 17:42:45,710 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 17:42:45,711 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-10-23 17:42:45,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 17:42:45,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 17:42:45,711 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 17:42:45,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 17:42:45,711 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 17:42:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states.
[2020-10-23 17:42:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-10-23 17:42:45,743 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:42:45,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:42:45,745 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]===
[2020-10-23 17:42:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:42:45,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1118638078, now seen corresponding path program 1 times
[2020-10-23 17:42:45,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:42:45,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128421545]
[2020-10-23 17:42:45,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:42:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,528 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:42:46,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:42:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:42:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:42:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:42:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:42:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-10-23 17:42:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-10-23 17:42:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:42:46,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128421545]
[2020-10-23 17:42:46,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 17:42:46,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-23 17:42:46,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291136134]
[2020-10-23 17:42:46,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-23 17:42:46,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:42:46,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-23 17:42:46,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 17:42:46,674 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states.
[2020-10-23 17:42:48,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:42:48,097 INFO L93 Difference]: Finished difference Result 306 states and 394 transitions.
[2020-10-23 17:42:48,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-23 17:42:48,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-10-23 17:42:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:42:48,114 INFO L225 Difference]: With dead ends: 306
[2020-10-23 17:42:48,114 INFO L226 Difference]: Without dead ends: 164
[2020-10-23 17:42:48,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 17:42:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2020-10-23 17:42:48,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130.
[2020-10-23 17:42:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-10-23 17:42:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions.
[2020-10-23 17:42:48,217 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 47
[2020-10-23 17:42:48,218 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:42:48,218 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions.
[2020-10-23 17:42:48,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-23 17:42:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions.
[2020-10-23 17:42:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-10-23 17:42:48,221 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:42:48,221 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]
[2020-10-23 17:42:48,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 17:42:48,222 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]===
[2020-10-23 17:42:48,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:42:48,223 INFO L82 PathProgramCache]: Analyzing trace with hash -777984350, now seen corresponding path program 1 times
[2020-10-23 17:42:48,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:42:48,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886316836]
[2020-10-23 17:42:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:42:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,795 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:42:48,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:42:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:42:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:42:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:42:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:42:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-10-23 17:42:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-10-23 17:42:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:42:48,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886316836]
[2020-10-23 17:42:48,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 17:42:48,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-23 17:42:48,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945335258]
[2020-10-23 17:42:48,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-23 17:42:48,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:42:48,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-23 17:42:48,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-23 17:42:48,853 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 4 states.
[2020-10-23 17:42:49,554 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 17:42:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:42:50,609 INFO L93 Difference]: Finished difference Result 227 states and 271 transitions.
[2020-10-23 17:42:50,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 17:42:50,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48
[2020-10-23 17:42:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:42:50,618 INFO L225 Difference]: With dead ends: 227
[2020-10-23 17:42:50,618 INFO L226 Difference]: Without dead ends: 148
[2020-10-23 17:42:50,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-23 17:42:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2020-10-23 17:42:50,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121.
[2020-10-23 17:42:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-10-23 17:42:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions.
[2020-10-23 17:42:50,691 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 48
[2020-10-23 17:42:50,692 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:42:50,692 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions.
[2020-10-23 17:42:50,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-23 17:42:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions.
[2020-10-23 17:42:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-10-23 17:42:50,705 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:42:50,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:42:50,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-23 17:42:50,706 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]===
[2020-10-23 17:42:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:42:50,708 INFO L82 PathProgramCache]: Analyzing trace with hash 273534020, now seen corresponding path program 1 times
[2020-10-23 17:42:50,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:42:50,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353323346]
[2020-10-23 17:42:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:42:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,207 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:42:51,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:42:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:42:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:42:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:42:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:42:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-10-23 17:42:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-10-23 17:42:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:42:51,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353323346]
[2020-10-23 17:42:51,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 17:42:51,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-10-23 17:42:51,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609213846]
[2020-10-23 17:42:51,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-23 17:42:51,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:42:51,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-23 17:42:51,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-10-23 17:42:51,307 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 8 states.
[2020-10-23 17:42:51,856 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:42:52,341 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:52,737 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:53,152 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:54,185 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 17:42:56,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:42:56,218 INFO L93 Difference]: Finished difference Result 416 states and 505 transitions.
[2020-10-23 17:42:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-10-23 17:42:56,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-10-23 17:42:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:42:56,227 INFO L225 Difference]: With dead ends: 416
[2020-10-23 17:42:56,227 INFO L226 Difference]: Without dead ends: 319
[2020-10-23 17:42:56,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-10-23 17:42:56,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states.
[2020-10-23 17:42:56,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 247.
[2020-10-23 17:42:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states.
[2020-10-23 17:42:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions.
[2020-10-23 17:42:56,315 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 52
[2020-10-23 17:42:56,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:42:56,316 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions.
[2020-10-23 17:42:56,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-23 17:42:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions.
[2020-10-23 17:42:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-10-23 17:42:56,317 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:42:56,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:42:56,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-23 17:42:56,318 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]===
[2020-10-23 17:42:56,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:42:56,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1799076827, now seen corresponding path program 1 times
[2020-10-23 17:42:56,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:42:56,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651547314]
[2020-10-23 17:42:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:42:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,838 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:42:56,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:42:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:42:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:42:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:42:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:42:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-10-23 17:42:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-10-23 17:42:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-10-23 17:42:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:42:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:42:56,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651547314]
[2020-10-23 17:42:56,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 17:42:56,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2020-10-23 17:42:57,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410504435]
[2020-10-23 17:42:57,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-10-23 17:42:57,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:42:57,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-10-23 17:42:57,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2020-10-23 17:42:57,002 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand 12 states.
[2020-10-23 17:42:57,638 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:42:58,116 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:58,510 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:58,876 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:42:59,595 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 17:43:00,696 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:01,224 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:01,626 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:02,045 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 17:43:02,418 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:02,865 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:03,303 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:03,718 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:05,997 INFO L93 Difference]: Finished difference Result 995 states and 1340 transitions.
[2020-10-23 17:43:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2020-10-23 17:43:05,998 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58
[2020-10-23 17:43:05,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:06,007 INFO L225 Difference]: With dead ends: 995
[2020-10-23 17:43:06,008 INFO L226 Difference]: Without dead ends: 772
[2020-10-23 17:43:06,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702
[2020-10-23 17:43:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states.
[2020-10-23 17:43:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 679.
[2020-10-23 17:43:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states.
[2020-10-23 17:43:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 837 transitions.
[2020-10-23 17:43:06,245 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 837 transitions. Word has length 58
[2020-10-23 17:43:06,246 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:06,246 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 837 transitions.
[2020-10-23 17:43:06,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-10-23 17:43:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 837 transitions.
[2020-10-23 17:43:06,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2020-10-23 17:43:06,249 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:06,249 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]
[2020-10-23 17:43:06,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-23 17:43:06,250 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]===
[2020-10-23 17:43:06,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:06,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1572795083, now seen corresponding path program 1 times
[2020-10-23 17:43:06,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:06,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897803141]
[2020-10-23 17:43:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,631 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:43:06,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:43:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:43:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:43:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:43:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-10-23 17:43:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-10-23 17:43:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-10-23 17:43:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-10-23 17:43:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:43:06,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897803141]
[2020-10-23 17:43:06,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 17:43:06,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-23 17:43:06,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867323356]
[2020-10-23 17:43:06,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-23 17:43:06,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:43:06,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-23 17:43:06,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-10-23 17:43:06,745 INFO L87 Difference]: Start difference. First operand 679 states and 837 transitions. Second operand 6 states.
[2020-10-23 17:43:07,230 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:09,355 INFO L93 Difference]: Finished difference Result 1644 states and 2154 transitions.
[2020-10-23 17:43:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-10-23 17:43:09,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62
[2020-10-23 17:43:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:09,363 INFO L225 Difference]: With dead ends: 1644
[2020-10-23 17:43:09,363 INFO L226 Difference]: Without dead ends: 989
[2020-10-23 17:43:09,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-10-23 17:43:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states.
[2020-10-23 17:43:09,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 925.
[2020-10-23 17:43:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states.
[2020-10-23 17:43:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1149 transitions.
[2020-10-23 17:43:09,642 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1149 transitions. Word has length 62
[2020-10-23 17:43:09,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:09,643 INFO L481 AbstractCegarLoop]: Abstraction has 925 states and 1149 transitions.
[2020-10-23 17:43:09,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-23 17:43:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1149 transitions.
[2020-10-23 17:43:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2020-10-23 17:43:09,646 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:09,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:43:09,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-23 17:43:09,647 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]===
[2020-10-23 17:43:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:09,647 INFO L82 PathProgramCache]: Analyzing trace with hash -194739423, now seen corresponding path program 1 times
[2020-10-23 17:43:09,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:09,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475554920]
[2020-10-23 17:43:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,070 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:43:10,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:43:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:43:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:43:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:43:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2020-10-23 17:43:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-10-23 17:43:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-10-23 17:43:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2020-10-23 17:43:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2020-10-23 17:43:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2020-10-23 17:43:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2020-10-23 17:43:10,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475554920]
[2020-10-23 17:43:10,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256145270]
[2020-10-23 17:43:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:10,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-10-23 17:43:10,525 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-23 17:43:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-10-23 17:43:10,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-23 17:43:10,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15
[2020-10-23 17:43:10,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669428168]
[2020-10-23 17:43:10,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states
[2020-10-23 17:43:10,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:43:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2020-10-23 17:43:10,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210
[2020-10-23 17:43:10,864 INFO L87 Difference]: Start difference. First operand 925 states and 1149 transitions. Second operand 15 states.
[2020-10-23 17:43:11,665 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:12,667 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:13,478 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:15,497 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:16,126 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:17,755 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:18,240 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:18,766 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:19,498 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:20,055 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:20,419 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 17:43:21,116 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 17:43:22,017 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:22,552 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:23,208 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:23,645 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:24,101 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:24,719 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:25,223 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:26,144 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:26,680 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:27,176 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:27,575 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 17:43:27,958 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:29,112 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:29,564 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:29,950 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:30,399 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 17:43:30,873 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 17:43:31,274 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 17:43:31,703 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 17:43:32,127 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-23 17:43:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:33,448 INFO L93 Difference]: Finished difference Result 2381 states and 3134 transitions.
[2020-10-23 17:43:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states.
[2020-10-23 17:43:33,448 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89
[2020-10-23 17:43:33,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:33,461 INFO L225 Difference]: With dead ends: 2381
[2020-10-23 17:43:33,461 INFO L226 Difference]: Without dead ends: 1743
[2020-10-23 17:43:33,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2221 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1172, Invalid=5470, Unknown=0, NotChecked=0, Total=6642
[2020-10-23 17:43:33,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states.
[2020-10-23 17:43:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1552.
[2020-10-23 17:43:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states.
[2020-10-23 17:43:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1915 transitions.
[2020-10-23 17:43:33,823 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1915 transitions. Word has length 89
[2020-10-23 17:43:33,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:33,823 INFO L481 AbstractCegarLoop]: Abstraction has 1552 states and 1915 transitions.
[2020-10-23 17:43:33,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2020-10-23 17:43:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1915 transitions.
[2020-10-23 17:43:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2020-10-23 17:43:33,828 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:33,828 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:43:34,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2020-10-23 17:43:34,043 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]===
[2020-10-23 17:43:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:34,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1545183212, now seen corresponding path program 1 times
[2020-10-23 17:43:34,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:34,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483257339]
[2020-10-23 17:43:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,532 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:43:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:43:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:43:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:43:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:43:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-10-23 17:43:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-10-23 17:43:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-10-23 17:43:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2020-10-23 17:43:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-10-23 17:43:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2020-10-23 17:43:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-10-23 17:43:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-10-23 17:43:34,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483257339]
[2020-10-23 17:43:34,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702900555]
[2020-10-23 17:43:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:35,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-10-23 17:43:35,028 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-23 17:43:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-10-23 17:43:35,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-10-23 17:43:35,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10
[2020-10-23 17:43:35,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523995894]
[2020-10-23 17:43:35,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-23 17:43:35,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:43:35,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-23 17:43:35,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-10-23 17:43:35,051 INFO L87 Difference]: Start difference. First operand 1552 states and 1915 transitions. Second operand 6 states.
[2020-10-23 17:43:35,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:35,473 INFO L93 Difference]: Finished difference Result 3090 states and 3983 transitions.
[2020-10-23 17:43:35,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-10-23 17:43:35,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125
[2020-10-23 17:43:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:35,485 INFO L225 Difference]: With dead ends: 3090
[2020-10-23 17:43:35,485 INFO L226 Difference]: Without dead ends: 1608
[2020-10-23 17:43:35,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2020-10-23 17:43:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states.
[2020-10-23 17:43:35,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1592.
[2020-10-23 17:43:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1592 states.
[2020-10-23 17:43:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1961 transitions.
[2020-10-23 17:43:35,909 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1961 transitions. Word has length 125
[2020-10-23 17:43:35,909 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:35,909 INFO L481 AbstractCegarLoop]: Abstraction has 1592 states and 1961 transitions.
[2020-10-23 17:43:35,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-23 17:43:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1961 transitions.
[2020-10-23 17:43:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2020-10-23 17:43:35,913 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:35,914 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:43:36,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:36,130 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]===
[2020-10-23 17:43:36,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:36,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1304943466, now seen corresponding path program 1 times
[2020-10-23 17:43:36,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:36,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662664314]
[2020-10-23 17:43:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,620 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:43:36,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:43:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:43:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:43:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:43:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-10-23 17:43:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-10-23 17:43:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-10-23 17:43:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95
[2020-10-23 17:43:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2020-10-23 17:43:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2020-10-23 17:43:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-10-23 17:43:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-10-23 17:43:36,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662664314]
[2020-10-23 17:43:36,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868329629]
[2020-10-23 17:43:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:37,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-10-23 17:43:37,154 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-23 17:43:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-10-23 17:43:37,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-10-23 17:43:37,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15
[2020-10-23 17:43:37,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750479388]
[2020-10-23 17:43:37,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-23 17:43:37,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:43:37,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-23 17:43:37,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2020-10-23 17:43:37,238 INFO L87 Difference]: Start difference. First operand 1592 states and 1961 transitions. Second operand 5 states.
[2020-10-23 17:43:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:37,599 INFO L93 Difference]: Finished difference Result 2797 states and 3524 transitions.
[2020-10-23 17:43:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 17:43:37,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125
[2020-10-23 17:43:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:37,609 INFO L225 Difference]: With dead ends: 2797
[2020-10-23 17:43:37,609 INFO L226 Difference]: Without dead ends: 1275
[2020-10-23 17:43:37,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2020-10-23 17:43:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states.
[2020-10-23 17:43:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1229.
[2020-10-23 17:43:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states.
[2020-10-23 17:43:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1510 transitions.
[2020-10-23 17:43:37,928 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1510 transitions. Word has length 125
[2020-10-23 17:43:37,929 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:37,929 INFO L481 AbstractCegarLoop]: Abstraction has 1229 states and 1510 transitions.
[2020-10-23 17:43:37,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-23 17:43:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1510 transitions.
[2020-10-23 17:43:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-10-23 17:43:37,934 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:37,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:43:38,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:38,148 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]===
[2020-10-23 17:43:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash -584473699, now seen corresponding path program 1 times
[2020-10-23 17:43:38,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:38,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368026423]
[2020-10-23 17:43:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,608 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 17:43:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 17:43:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-10-23 17:43:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-10-23 17:43:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-10-23 17:43:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2020-10-23 17:43:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-10-23 17:43:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-10-23 17:43:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-10-23 17:43:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-10-23 17:43:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-10-23 17:43:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-10-23 17:43:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 17:43:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 17:43:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2020-10-23 17:43:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-10-23 17:43:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-10-23 17:43:38,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368026423]
[2020-10-23 17:43:38,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72150651]
[2020-10-23 17:43:38,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 17:43:39,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-10-23 17:43:39,169 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-23 17:43:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 17:43:39,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-23 17:43:39,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14
[2020-10-23 17:43:39,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715337762]
[2020-10-23 17:43:39,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-10-23 17:43:39,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-23 17:43:39,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-10-23 17:43:39,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182
[2020-10-23 17:43:39,292 INFO L87 Difference]: Start difference. First operand 1229 states and 1510 transitions. Second operand 14 states.
[2020-10-23 17:43:39,957 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:40,843 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:42,061 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206
[2020-10-23 17:43:42,535 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:42,965 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 17:43:43,840 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206
[2020-10-23 17:43:44,389 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 17:43:44,884 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 17:43:47,180 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 17:43:48,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 17:43:48,818 INFO L93 Difference]: Finished difference Result 2514 states and 3318 transitions.
[2020-10-23 17:43:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2020-10-23 17:43:48,819 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 129
[2020-10-23 17:43:48,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 17:43:48,832 INFO L225 Difference]: With dead ends: 2514
[2020-10-23 17:43:48,832 INFO L226 Difference]: Without dead ends: 1454
[2020-10-23 17:43:48,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 175 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190
[2020-10-23 17:43:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states.
[2020-10-23 17:43:49,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1103.
[2020-10-23 17:43:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states.
[2020-10-23 17:43:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1348 transitions.
[2020-10-23 17:43:49,159 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1348 transitions. Word has length 129
[2020-10-23 17:43:49,160 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 17:43:49,161 INFO L481 AbstractCegarLoop]: Abstraction has 1103 states and 1348 transitions.
[2020-10-23 17:43:49,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-10-23 17:43:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1348 transitions.
[2020-10-23 17:43:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2020-10-23 17:43:49,166 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 17:43:49,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 17:43:49,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-23 17:43:49,381 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]===
[2020-10-23 17:43:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 17:43:49,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1330648102, now seen corresponding path program 2 times
[2020-10-23 17:43:49,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-23 17:43:49,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992065008]
[2020-10-23 17:43:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 17:43:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 17:43:49,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 17:43:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 17:43:49,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 17:43:49,699 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-23 17:43:49,699 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 17:43:49,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-23 17:43:49,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:43:49 BoogieIcfgContainer
[2020-10-23 17:43:49,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 17:43:49,949 INFO L168 Benchmark]: Toolchain (without parser) took 66519.33 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 128.0 MB in the beginning and 305.9 MB in the end (delta: -177.9 MB). Peak memory consumption was 473.0 MB. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,951 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.8 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.43 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 106.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,954 INFO L168 Benchmark]: Boogie Preprocessor took 178.79 ms. Allocated memory is still 153.1 MB. Free memory was 106.6 MB in the beginning and 135.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,954 INFO L168 Benchmark]: RCFGBuilder took 1423.58 ms. Allocated memory is still 153.1 MB. Free memory was 135.7 MB in the beginning and 91.5 MB in the end (delta: 44.2 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,958 INFO L168 Benchmark]: TraceAbstraction took 64311.63 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 91.0 MB in the beginning and 305.9 MB in the end (delta: -214.9 MB). Peak memory consumption was 435.2 MB. Max. memory is 8.0 GB.
[2020-10-23 17:43:49,967 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 100.9 MB in the beginning and 100.8 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 590.43 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 106.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 178.79 ms. Allocated memory is still 153.1 MB. Free memory was 106.6 MB in the beginning and 135.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1423.58 ms. Allocated memory is still 153.1 MB. Free memory was 135.7 MB in the beginning and 91.5 MB in the end (delta: 44.2 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 64311.63 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 91.0 MB in the beginning and 305.9 MB in the end (delta: -214.9 MB). Peak memory consumption was 435.2 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:
[L122] int pumpRunning = 0;
[L123] int systemActive = 1;
[L317] int cleanupTimeShifts = 4;
[L417] int waterLevel = 1;
[L418] int methaneLevelCritical = 0;
[L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L393] int retValue_acc ;
[L394] 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]
[L398] 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]
[L399] 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]
[L400] 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]
[L537] int retValue_acc ;
[L540] retValue_acc = 1
[L541] 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]
[L400] 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]
[L400] tmp = valid_product()
[L402] 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]
[L404] 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]
[L405] 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]
[L384] 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]
[L48] int splverifierCounter ;
[L49] int tmp ;
[L50] int tmp___0 ;
[L51] int tmp___1 ;
[L52] int tmp___2 ;
[L55] 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]
[L57] 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]
[L59] 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]
[L65] tmp = __VERIFIER_nondet_int()
[L67] 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]
[L69] 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]
[L435] COND TRUE waterLevel < 2
[L436] 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]
[L69] 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]
[L75] tmp___0 = __VERIFIER_nondet_int()
[L77] 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]
[L85] tmp___2 = __VERIFIER_nondet_int()
[L87] COND TRUE \read(tmp___2)
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___2=1, waterLevel=2]
[L102] 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]
[L130] 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]
[L137] 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]
[L139] 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]
[L159] 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]
[L162] COND TRUE ! 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]
[L164] CALL, EXPR isHighWaterLevel()
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]
[L274] int retValue_acc ;
[L275] int tmp ;
[L276] int tmp___0 ;
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]
[L280] CALL, EXPR isHighWaterSensorDry()
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]
[L497] int retValue_acc ;
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]
[L500] COND FALSE !(waterLevel < 2)
[L504] retValue_acc = 0
[L505] 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]
[L280] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L280] tmp = isHighWaterSensorDry()
[L282] COND FALSE !(\read(tmp))
[L285] tmp___0 = 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=1, waterLevel=2]
[L287] retValue_acc = tmp___0
[L288] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L164] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L164] tmp = isHighWaterLevel()
[L166] COND TRUE \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=1, waterLevel=2]
[L168] CALL activatePump()
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]
[L193] 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]
[L197] CALL, EXPR isMethaneAlarm()
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]
[L218] int retValue_acc ;
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]
[L222] 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]
[L456] int retValue_acc ;
[L459] retValue_acc = methaneLevelCritical
[L460] 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]
[L222] 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]
[L222] retValue_acc = isMethaneLevelCritical()
[L224] 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]
[L197] RET, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L197] tmp = isMethaneAlarm()
[L199] 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]
[L203] CALL activatePump__wrappee__highWaterSensor()
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]
[L187] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L203] RET activatePump__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2]
[L168] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L139] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L145] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L913] int tmp ;
[L914] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L918] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L488] int retValue_acc ;
[L491] retValue_acc = waterLevel
[L492] 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=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L918] 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=1, systemActive=1, waterLevel=2]
[L918] tmp = getWaterLevel()
[L920] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L145] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L102] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L57] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L59] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L65] tmp = __VERIFIER_nondet_int()
[L67] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L75] tmp___0 = __VERIFIER_nondet_int()
[L77] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L85] tmp___2 = __VERIFIER_nondet_int()
[L87] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L102] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L130] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L132] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L423] COND TRUE waterLevel > 0
[L424] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L132] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L137] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L139] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L159] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L162] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L177] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L139] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L145] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L913] int tmp ;
[L914] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L918] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L488] int retValue_acc ;
[L491] retValue_acc = waterLevel
[L492] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L918] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L918] tmp = getWaterLevel()
[L920] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L145] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L102] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L57] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L59] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L65] tmp = __VERIFIER_nondet_int()
[L67] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L75] tmp___0 = __VERIFIER_nondet_int()
[L77] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L85] tmp___2 = __VERIFIER_nondet_int()
[L87] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L102] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L130] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L132] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L423] COND TRUE waterLevel > 0
[L424] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L132] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L137] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L139] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L159] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L162] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L177] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L139] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L145] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L913] int tmp ;
[L914] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L918] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L488] int retValue_acc ;
[L491] retValue_acc = waterLevel
[L492] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L918] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L918] tmp = getWaterLevel()
[L920] COND TRUE tmp == 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L922] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L229] int retValue_acc ;
[L232] retValue_acc = pumpRunning
[L233] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L922] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L922] tmp___0 = isPumpRunning()
[L924] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L926] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L312] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L3] __assert_fail("0", "minepump_spec4_product43.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 63.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 52.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1277 SDtfs, 2616 SDslu, 2188 SDs, 0 SdLazy, 8056 SolverSat, 2017 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 908 GetRequests, 719 SyntacticMatches, 5 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2668 ImplicationChecksByTransitivity, 29.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 894 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1367 NumberOfCodeBlocks, 1367 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1190 ConstructedInterpolants, 0 QuantifiedInterpolants, 346373 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3430 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 169/190 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...