/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 23:57:40,642 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 23:57:40,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 23:57:40,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 23:57:40,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 23:57:40,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 23:57:40,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 23:57:40,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 23:57:40,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 23:57:40,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 23:57:40,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 23:57:40,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 23:57:40,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 23:57:40,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 23:57:40,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 23:57:40,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 23:57:40,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 23:57:40,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 23:57:40,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 23:57:40,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 23:57:40,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 23:57:40,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 23:57:40,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 23:57:40,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 23:57:40,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 23:57:40,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 23:57:40,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 23:57:40,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-23 23:57:40,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-23 23:57:40,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-23 23:57:40,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 23:57:40,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-23 23:57:40,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-23 23:57:40,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-23 23:57:40,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-23 23:57:40,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-23 23:57:40,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-23 23:57:40,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-23 23:57:40,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-23 23:57:40,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-23 23:57:40,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 23:57:40,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-23 23:57:40,814 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 23:57:40,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 23:57:40,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 23:57:40,818 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 23:57:40,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 23:57:40,818 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 23:57:40,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 23:57:40,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 23:57:40,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 23:57:40,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 23:57:40,820 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 23:57:40,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 23:57:40,820 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 23:57:40,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 23:57:40,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 23:57:40,821 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-23 23:57:40,821 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 23:57:40,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 23:57:40,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:57:40,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 23:57:40,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-23 23:57:40,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 23:57:40,822 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-10-23 23:57:41,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 23:57:41,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 23:57:41,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 23:57:41,225 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 23:57:41,226 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 23:57:41,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c
[2020-10-23 23:57:41,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3cc2c17/d8e220676f1f45a0b097c1838d82979b/FLAGea91b5189
[2020-10-23 23:57:42,066 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 23:57:42,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c
[2020-10-23 23:57:42,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3cc2c17/d8e220676f1f45a0b097c1838d82979b/FLAGea91b5189
[2020-10-23 23:57:42,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3cc2c17/d8e220676f1f45a0b097c1838d82979b
[2020-10-23 23:57:42,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 23:57:42,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 23:57:42,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 23:57:42,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 23:57:42,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 23:57:42,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:42" (1/1) ...
[2020-10-23 23:57:42,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3eac92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:42, skipping insertion in model container
[2020-10-23 23:57:42,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:42" (1/1) ...
[2020-10-23 23:57:42,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 23:57:42,504 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 23:57:42,820 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:57:42,840 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 23:57:42,975 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:57:43,009 INFO L208 MainTranslator]: Completed translation
[2020-10-23 23:57:43,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43 WrapperNode
[2020-10-23 23:57:43,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 23:57:43,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 23:57:43,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 23:57:43,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 23:57:43,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (1/1) ...
[2020-10-23 23:57:43,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 23:57:43,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 23:57:43,134 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 23:57:43,134 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 23:57:43,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (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 23:57:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 23:57:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-23 23:57:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-23 23:57:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-23 23:57:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-23 23:57:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 23:57:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-23 23:57:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-23 23:57:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-23 23:57:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-23 23:57:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-23 23:57:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-23 23:57:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-23 23:57:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-23 23:57:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-23 23:57:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-10-23 23:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 23:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-23 23:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-23 23:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-23 23:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-23 23:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 23:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 23:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 23:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 23:57:44,329 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 23:57:44,329 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-23 23:57:44,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:44 BoogieIcfgContainer
[2020-10-23 23:57:44,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 23:57:44,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 23:57:44,337 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 23:57:44,340 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 23:57:44,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:57:42" (1/3) ...
[2020-10-23 23:57:44,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf16481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:44, skipping insertion in model container
[2020-10-23 23:57:44,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:43" (2/3) ...
[2020-10-23 23:57:44,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf16481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:44, skipping insertion in model container
[2020-10-23 23:57:44,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:44" (3/3) ...
[2020-10-23 23:57:44,344 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c
[2020-10-23 23:57:44,356 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-23 23:57:44,363 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-23 23:57:44,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-23 23:57:44,412 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 23:57:44,413 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 23:57:44,413 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-23 23:57:44,413 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 23:57:44,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 23:57:44,414 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 23:57:44,414 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 23:57:44,414 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 23:57:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states.
[2020-10-23 23:57:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-10-23 23:57:44,486 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:57:44,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:44,488 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 23:57:44,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:57:44,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1907868258, now seen corresponding path program 1 times
[2020-10-23 23:57:44,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:57:44,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350213828]
[2020-10-23 23:57:44,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:57:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,334 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:57:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:57:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:57:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:57:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:57:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:57:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-10-23 23:57:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:57:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-10-23 23:57:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:45,482 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 23:57:45,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350213828]
[2020-10-23 23:57:45,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:57:45,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-23 23:57:45,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642345801]
[2020-10-23 23:57:45,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-23 23:57:45,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:57:45,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-23 23:57:45,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:57:45,524 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2020-10-23 23:57:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:57:47,106 INFO L93 Difference]: Finished difference Result 432 states and 516 transitions.
[2020-10-23 23:57:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-23 23:57:47,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159
[2020-10-23 23:57:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:57:47,126 INFO L225 Difference]: With dead ends: 432
[2020-10-23 23:57:47,126 INFO L226 Difference]: Without dead ends: 274
[2020-10-23 23:57:47,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:57:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2020-10-23 23:57:47,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 234.
[2020-10-23 23:57:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states.
[2020-10-23 23:57:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 252 transitions.
[2020-10-23 23:57:47,287 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 252 transitions. Word has length 159
[2020-10-23 23:57:47,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:57:47,288 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 252 transitions.
[2020-10-23 23:57:47,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-23 23:57:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 252 transitions.
[2020-10-23 23:57:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-10-23 23:57:47,292 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:57:47,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:47,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 23:57:47,293 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 23:57:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:57:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1570204456, now seen corresponding path program 1 times
[2020-10-23 23:57:47,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:57:47,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011227376]
[2020-10-23 23:57:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:57:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,754 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:57:47,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:57:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:57:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:57:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:57:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:57:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-10-23 23:57:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-10-23 23:57:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-10-23 23:57:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:47,897 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 23:57:47,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011227376]
[2020-10-23 23:57:47,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:57:47,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-23 23:57:47,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826817443]
[2020-10-23 23:57:47,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-23 23:57:47,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:57:47,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-23 23:57:47,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-23 23:57:47,904 INFO L87 Difference]: Start difference. First operand 234 states and 252 transitions. Second operand 4 states.
[2020-10-23 23:57:48,770 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:57:49,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:57:49,688 INFO L93 Difference]: Finished difference Result 342 states and 383 transitions.
[2020-10-23 23:57:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 23:57:49,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-10-23 23:57:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:57:49,698 INFO L225 Difference]: With dead ends: 342
[2020-10-23 23:57:49,698 INFO L226 Difference]: Without dead ends: 257
[2020-10-23 23:57:49,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-23 23:57:49,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states.
[2020-10-23 23:57:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 224.
[2020-10-23 23:57:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-10-23 23:57:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 239 transitions.
[2020-10-23 23:57:49,817 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 239 transitions. Word has length 160
[2020-10-23 23:57:49,817 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:57:49,817 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 239 transitions.
[2020-10-23 23:57:49,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-23 23:57:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 239 transitions.
[2020-10-23 23:57:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2020-10-23 23:57:49,823 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:57:49,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:49,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-23 23:57:49,825 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 23:57:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:57:49,825 INFO L82 PathProgramCache]: Analyzing trace with hash -779210482, now seen corresponding path program 1 times
[2020-10-23 23:57:49,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:57:49,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391378234]
[2020-10-23 23:57:49,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:57:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,369 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:57:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:57:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:57:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:57:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:57:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:57:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-23 23:57:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-10-23 23:57:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-10-23 23:57:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-10-23 23:57:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:50,533 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 23:57:50,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391378234]
[2020-10-23 23:57:50,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:57:50,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-23 23:57:50,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068155477]
[2020-10-23 23:57:50,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-23 23:57:50,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:57:50,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-23 23:57:50,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-23 23:57:50,537 INFO L87 Difference]: Start difference. First operand 224 states and 239 transitions. Second operand 10 states.
[2020-10-23 23:57:51,189 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:57:51,655 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:57:52,043 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 23:57:52,442 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:57:52,834 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:57:53,196 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:57:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:57:54,876 INFO L93 Difference]: Finished difference Result 388 states and 445 transitions.
[2020-10-23 23:57:54,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-10-23 23:57:54,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173
[2020-10-23 23:57:54,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:57:54,881 INFO L225 Difference]: With dead ends: 388
[2020-10-23 23:57:54,881 INFO L226 Difference]: Without dead ends: 279
[2020-10-23 23:57:54,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2020-10-23 23:57:54,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states.
[2020-10-23 23:57:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 224.
[2020-10-23 23:57:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-10-23 23:57:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 238 transitions.
[2020-10-23 23:57:54,959 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 238 transitions. Word has length 173
[2020-10-23 23:57:54,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:57:54,960 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 238 transitions.
[2020-10-23 23:57:54,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-23 23:57:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 238 transitions.
[2020-10-23 23:57:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2020-10-23 23:57:54,963 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:57:54,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:54,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-23 23:57:54,964 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 23:57:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:57:54,964 INFO L82 PathProgramCache]: Analyzing trace with hash 640919793, now seen corresponding path program 1 times
[2020-10-23 23:57:54,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:57:54,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4248193]
[2020-10-23 23:57:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:57:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,399 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:57:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:57:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:57:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:57:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:57:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:57:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-23 23:57:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:57:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 23:57:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-10-23 23:57:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-10-23 23:57:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-10-23 23:57:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:57:55,630 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 23:57:55,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4248193]
[2020-10-23 23:57:55,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:57:55,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-23 23:57:55,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424124567]
[2020-10-23 23:57:55,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-23 23:57:55,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:57:55,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-23 23:57:55,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-23 23:57:55,635 INFO L87 Difference]: Start difference. First operand 224 states and 238 transitions. Second operand 10 states.
[2020-10-23 23:57:56,336 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:57:58,461 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:57:58,919 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:57:59,312 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:57:59,699 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:58:00,068 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:00,672 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:01,105 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:01,836 INFO L93 Difference]: Finished difference Result 599 states and 741 transitions.
[2020-10-23 23:58:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2020-10-23 23:58:01,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181
[2020-10-23 23:58:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:01,842 INFO L225 Difference]: With dead ends: 599
[2020-10-23 23:58:01,842 INFO L226 Difference]: Without dead ends: 490
[2020-10-23 23:58:01,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462
[2020-10-23 23:58:01,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states.
[2020-10-23 23:58:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 324.
[2020-10-23 23:58:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states.
[2020-10-23 23:58:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 355 transitions.
[2020-10-23 23:58:02,023 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 355 transitions. Word has length 181
[2020-10-23 23:58:02,024 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:02,024 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 355 transitions.
[2020-10-23 23:58:02,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-23 23:58:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 355 transitions.
[2020-10-23 23:58:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2020-10-23 23:58:02,028 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:02,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:02,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-23 23:58:02,029 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 23:58:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:02,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1595947961, now seen corresponding path program 1 times
[2020-10-23 23:58:02,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:02,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633097347]
[2020-10-23 23:58:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:58:02,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:58:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:58:02,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:58:02,499 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-23 23:58:02,499 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 23:58:02,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-23 23:58:02,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:58:02 BoogieIcfgContainer
[2020-10-23 23:58:02,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 23:58:02,772 INFO L168 Benchmark]: Toolchain (without parser) took 20365.61 ms. Allocated memory was 151.0 MB in the beginning and 426.8 MB in the end (delta: 275.8 MB). Free memory was 126.3 MB in the beginning and 246.0 MB in the end (delta: -119.7 MB). Peak memory consumption was 157.3 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,773 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.95 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.1 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,781 INFO L168 Benchmark]: Boogie Preprocessor took 121.72 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,783 INFO L168 Benchmark]: RCFGBuilder took 1198.90 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 101.2 MB in the beginning and 128.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,783 INFO L168 Benchmark]: TraceAbstraction took 18433.01 ms. Allocated memory was 186.6 MB in the beginning and 426.8 MB in the end (delta: 240.1 MB). Free memory was 127.8 MB in the beginning and 246.0 MB in the end (delta: -118.2 MB). Peak memory consumption was 121.9 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:02,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 591.95 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 105.1 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 121.72 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1198.90 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 101.2 MB in the beginning and 128.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 18433.01 ms. Allocated memory was 186.6 MB in the beginning and 426.8 MB in the end (delta: 240.1 MB). Free memory was 127.8 MB in the beginning and 246.0 MB in the end (delta: -118.2 MB). Peak memory consumption was 121.9 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:
[L133] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=181, head={182:171}, methaneLevelCritical=152, pumpRunning=0, systemActive=142, waterLevel=146]
[L134] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=181, head={182:171}, methaneLevelCritical=152, pumpRunning=0, systemActive=1, waterLevel=146]
[L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=181, head={0:0}, methaneLevelCritical=152, pumpRunning=0, systemActive=1, waterLevel=146]
[L727] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=152, pumpRunning=0, systemActive=1, waterLevel=146]
[L823] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=152, pumpRunning=0, systemActive=1, waterLevel=1]
[L824] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=152, \old(pumpRunning)=143, \old(systemActive)=142, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L800] int retValue_acc ;
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]
[L801] 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]
[L805] 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]
[L806] 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]
[L807] 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]
[L80] int retValue_acc ;
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]
[L83] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L84] 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]
[L807] 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]
[L807] tmp = 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, tmp=1, valid_product()=1, waterLevel=1]
[L809] 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]
[L811] 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]
[L812] 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]
[L794] 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]
[L661] int splverifierCounter ;
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]
[L662] 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]
[L663] int tmp___0 ;
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]
[L664] int tmp___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=1]
[L665] int tmp___2 ;
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]
[L668] 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]
[L670] 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]
[L672] 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]
[L678] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L680] 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]
[L682] 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]
[L841] COND TRUE waterLevel < 2
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]
[L842] 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]
[L682] 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]
[L688] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L690] 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]
[L698] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L700] 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]
[L702] CALL startSystem()
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]
[L286] systemActive = 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]
[L702] RET startSystem()
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]
[L715] 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]
[L140] 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]
[L147] 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]
[L149] 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]
[L169] 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]
[L172] 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]
[L187] FCALL processEnvironment__wrappee__methaneQuery()
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]
[L149] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L155] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L93] 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]
[L94] 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]
[L95] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L99] 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]
[L862] 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]
[L865] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L866] 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]
[L99] 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]
[L99] tmp = 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, tmp=0, waterLevel=2]
[L101] 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]
[L105] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L894] 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]
[L897] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L898] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L105] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L105] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L107] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L109] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L238] 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]
[L241] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L242] 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]
[L109] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L109] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L111] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L115] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L46] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product14.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 38 procedures, 616 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 858 SDtfs, 1362 SDslu, 1278 SDs, 0 SdLazy, 2357 SolverSat, 475 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 294 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 859 NumberOfCodeBlocks, 859 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 669 ConstructedInterpolants, 0 QuantifiedInterpolants, 275986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...