/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_spec1_product38.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.0-7d8eed3
[2020-11-07 03:55:06,755 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-11-07 03:55:06,758 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-07 03:55:06,796 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-07 03:55:06,797 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-07 03:55:06,798 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-07 03:55:06,800 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-07 03:55:06,802 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-07 03:55:06,805 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-07 03:55:06,806 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-07 03:55:06,807 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-11-07 03:55:06,809 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-07 03:55:06,809 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-07 03:55:06,810 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-07 03:55:06,812 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-07 03:55:06,813 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-07 03:55:06,814 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-07 03:55:06,815 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-07 03:55:06,837 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-07 03:55:06,839 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-07 03:55:06,841 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-07 03:55:06,843 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-07 03:55:06,845 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-11-07 03:55:06,846 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-07 03:55:06,849 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-07 03:55:06,849 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-07 03:55:06,850 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-07 03:55:06,851 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-07 03:55:06,852 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-07 03:55:06,853 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-07 03:55:06,853 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-07 03:55:06,854 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-07 03:55:06,855 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-07 03:55:06,856 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-07 03:55:06,857 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-07 03:55:06,858 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-07 03:55:06,859 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-07 03:55:06,859 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-07 03:55:06,860 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-07 03:55:06,861 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-07 03:55:06,862 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-11-07 03:55:06,865 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-11-07 03:55:06,877 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-07 03:55:06,878 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-07 03:55:06,884 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-07 03:55:06,885 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-07 03:55:06,885 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-07 03:55:06,885 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-07 03:55:06,886 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-07 03:55:06,886 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-11-07 03:55:06,886 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-07 03:55:06,886 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-11-07 03:55:06,886 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-07 03:55:06,887 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-11-07 03:55:06,887 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-07 03:55:06,887 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-11-07 03:55:06,887 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-07 03:55:06,888 INFO  L138        SettingsManager]:  * Size of a code block=SingleStatement
[2020-11-07 03:55:06,888 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-07 03:55:06,888 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-11-07 03:55:06,888 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 03:55:06,889 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-07 03:55:06,889 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-11-07 03:55:06,889 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-07 03:55:06,890 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-11-07 03:55:07,292 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-07 03:55:07,317 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-07 03:55:07,320 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-07 03:55:07,321 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-07 03:55:07,322 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-07 03:55:07,323 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c
[2020-11-07 03:55:07,417 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2/FLAG24a7fa660
[2020-11-07 03:55:08,109 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-07 03:55:08,110 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c
[2020-11-07 03:55:08,127 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2/FLAG24a7fa660
[2020-11-07 03:55:08,430 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2
[2020-11-07 03:55:08,433 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-07 03:55:08,439 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-07 03:55:08,441 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-07 03:55:08,441 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-07 03:55:08,445 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-07 03:55:08,446 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:08" (1/1) ...
[2020-11-07 03:55:08,449 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:08, skipping insertion in model container
[2020-11-07 03:55:08,449 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:08" (1/1) ...
[2020-11-07 03:55:08,459 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-07 03:55:08,514 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-07 03:55:08,815 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-07 03:55:08,838 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-07 03:55:09,000 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-07 03:55:09,045 INFO  L208         MainTranslator]: Completed translation
[2020-11-07 03:55:09,046 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09 WrapperNode
[2020-11-07 03:55:09,046 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-07 03:55:09,047 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-07 03:55:09,047 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-07 03:55:09,048 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-07 03:55:09,063 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,063 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,083 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,083 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,171 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,188 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,199 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
[2020-11-07 03:55:09,213 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-07 03:55:09,218 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-07 03:55:09,218 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-07 03:55:09,218 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-07 03:55:09,221 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 03:55:09,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-07 03:55:09,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-07 03:55:09,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-11-07 03:55:09,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-07 03:55:09,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-11-07 03:55:09,298 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-11-07 03:55:09,298 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-11-07 03:55:09,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-11-07 03:55:09,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-11-07 03:55:09,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-11-07 03:55:09,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-11-07 03:55:09,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-11-07 03:55:09,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-11-07 03:55:09,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-11-07 03:55:09,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-11-07 03:55:09,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-11-07 03:55:09,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-11-07 03:55:09,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-11-07 03:55:09,302 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-11-07 03:55:09,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-11-07 03:55:09,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-11-07 03:55:09,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-11-07 03:55:09,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-11-07 03:55:09,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-11-07 03:55:09,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-11-07 03:55:09,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-11-07 03:55:09,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-11-07 03:55:09,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-11-07 03:55:09,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-11-07 03:55:09,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-11-07 03:55:09,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-11-07 03:55:09,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-11-07 03:55:09,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-11-07 03:55:09,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-11-07 03:55:09,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-11-07 03:55:09,309 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-11-07 03:55:09,310 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-11-07 03:55:09,311 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-11-07 03:55:09,312 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-11-07 03:55:09,312 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-11-07 03:55:09,312 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-11-07 03:55:09,312 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-11-07 03:55:09,312 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-11-07 03:55:09,313 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-11-07 03:55:09,314 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-07 03:55:09,315 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-11-07 03:55:09,315 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-11-07 03:55:09,316 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-11-07 03:55:09,317 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-11-07 03:55:09,318 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-11-07 03:55:09,318 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-11-07 03:55:09,318 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-11-07 03:55:09,319 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-11-07 03:55:09,319 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-11-07 03:55:09,319 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-11-07 03:55:09,320 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-11-07 03:55:09,320 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-11-07 03:55:09,320 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-11-07 03:55:09,321 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-11-07 03:55:09,321 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-07 03:55:09,321 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-07 03:55:09,322 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-07 03:55:11,041 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-07 03:55:11,041 INFO  L298             CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-07 03:55:11,044 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:11 BoogieIcfgContainer
[2020-11-07 03:55:11,044 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-07 03:55:11,046 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-07 03:55:11,046 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-11-07 03:55:11,050 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-11-07 03:55:11,050 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:08" (1/3) ...
[2020-11-07 03:55:11,051 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:11, skipping insertion in model container
[2020-11-07 03:55:11,051 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (2/3) ...
[2020-11-07 03:55:11,051 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:11, skipping insertion in model container
[2020-11-07 03:55:11,052 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:11" (3/3) ...
[2020-11-07 03:55:11,053 INFO  L111   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c
[2020-11-07 03:55:11,069 INFO  L179   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-11-07 03:55:11,073 INFO  L191   ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-11-07 03:55:11,086 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-11-07 03:55:11,110 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-11-07 03:55:11,111 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-11-07 03:55:11,111 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-11-07 03:55:11,111 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-07 03:55:11,111 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-07 03:55:11,111 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-11-07 03:55:11,111 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-07 03:55:11,111 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-07 03:55:11,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 314 states.
[2020-11-07 03:55:11,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2020-11-07 03:55:11,154 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:11,155 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]
[2020-11-07 03:55:11,156 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:11,162 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:11,162 INFO  L82        PathProgramCache]: Analyzing trace with hash -646420694, now seen corresponding path program 1 times
[2020-11-07 03:55:11,172 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:11,172 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234830324]
[2020-11-07 03:55:11,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:11,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,394 WARN  L194               SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:12,398 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:12,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,497 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:12,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,501 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:12,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,503 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:12,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,509 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:12,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,511 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-11-07 03:55:12,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,521 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-11-07 03:55:12,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:12,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:12,584 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234830324]
[2020-11-07 03:55:12,588 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:12,588 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-07 03:55:12,590 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161608781]
[2020-11-07 03:55:12,596 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-07 03:55:12,597 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:12,610 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-07 03:55:12,611 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 03:55:12,613 INFO  L87              Difference]: Start difference. First operand 314 states. Second operand 3 states.
[2020-11-07 03:55:15,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:55:15,233 INFO  L93              Difference]: Finished difference Result 486 states and 579 transitions.
[2020-11-07 03:55:15,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-07 03:55:15,236 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 148
[2020-11-07 03:55:15,237 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:55:15,256 INFO  L225             Difference]: With dead ends: 486
[2020-11-07 03:55:15,256 INFO  L226             Difference]: Without dead ends: 302
[2020-11-07 03:55:15,262 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 03:55:15,281 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 302 states.
[2020-11-07 03:55:15,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 260.
[2020-11-07 03:55:15,398 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 260 states.
[2020-11-07 03:55:15,401 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 282 transitions.
[2020-11-07 03:55:15,403 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 282 transitions. Word has length 148
[2020-11-07 03:55:15,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:55:15,404 INFO  L481      AbstractCegarLoop]: Abstraction has 260 states and 282 transitions.
[2020-11-07 03:55:15,404 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-07 03:55:15,404 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 282 transitions.
[2020-11-07 03:55:15,408 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-11-07 03:55:15,408 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:15,409 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]
[2020-11-07 03:55:15,409 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-07 03:55:15,409 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:15,410 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:15,410 INFO  L82        PathProgramCache]: Analyzing trace with hash 1672440179, now seen corresponding path program 1 times
[2020-11-07 03:55:15,410 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:15,411 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687226747]
[2020-11-07 03:55:15,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:15,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,331 WARN  L194               SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:16,335 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:16,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,380 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:16,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,382 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:16,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,384 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:16,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,386 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:16,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,388 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-11-07 03:55:16,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,390 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 03:55:16,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:16,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:16,423 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687226747]
[2020-11-07 03:55:16,423 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:16,424 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-07 03:55:16,424 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343281450]
[2020-11-07 03:55:16,426 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-07 03:55:16,426 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:16,426 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-07 03:55:16,427 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-07 03:55:16,427 INFO  L87              Difference]: Start difference. First operand 260 states and 282 transitions. Second operand 4 states.
[2020-11-07 03:55:17,809 WARN  L194               SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:55:19,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:55:19,648 INFO  L93              Difference]: Finished difference Result 396 states and 446 transitions.
[2020-11-07 03:55:19,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-11-07 03:55:19,649 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 149
[2020-11-07 03:55:19,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:55:19,658 INFO  L225             Difference]: With dead ends: 396
[2020-11-07 03:55:19,658 INFO  L226             Difference]: Without dead ends: 285
[2020-11-07 03:55:19,660 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-07 03:55:19,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-11-07 03:55:19,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 250.
[2020-11-07 03:55:19,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 250 states.
[2020-11-07 03:55:19,761 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 269 transitions.
[2020-11-07 03:55:19,761 INFO  L78                 Accepts]: Start accepts. Automaton has 250 states and 269 transitions. Word has length 149
[2020-11-07 03:55:19,762 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:55:19,762 INFO  L481      AbstractCegarLoop]: Abstraction has 250 states and 269 transitions.
[2020-11-07 03:55:19,762 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-07 03:55:19,762 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 269 transitions.
[2020-11-07 03:55:19,764 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-11-07 03:55:19,765 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:19,765 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]
[2020-11-07 03:55:19,765 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-07 03:55:19,766 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:19,766 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:19,766 INFO  L82        PathProgramCache]: Analyzing trace with hash -478958161, now seen corresponding path program 1 times
[2020-11-07 03:55:19,766 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:19,767 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20258331]
[2020-11-07 03:55:19,767 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:19,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,618 WARN  L194               SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:20,622 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:20,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,689 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:20,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,691 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:20,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,693 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:20,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,758 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:20,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,783 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-11-07 03:55:20,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,813 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-11-07 03:55:20,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,816 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-11-07 03:55:20,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:20,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:20,900 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20258331]
[2020-11-07 03:55:20,901 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:20,901 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-11-07 03:55:20,901 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827045801]
[2020-11-07 03:55:20,903 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-11-07 03:55:20,903 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:20,904 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-11-07 03:55:20,904 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-11-07 03:55:20,905 INFO  L87              Difference]: Start difference. First operand 250 states and 269 transitions. Second operand 10 states.
[2020-11-07 03:55:22,084 WARN  L194               SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:55:23,120 WARN  L194               SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 03:55:24,007 WARN  L194               SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-11-07 03:55:24,900 WARN  L194               SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:25,647 WARN  L194               SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:55:26,471 WARN  L194               SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:29,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:55:29,666 INFO  L93              Difference]: Finished difference Result 442 states and 508 transitions.
[2020-11-07 03:55:29,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-11-07 03:55:29,667 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 162
[2020-11-07 03:55:29,668 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:55:29,671 INFO  L225             Difference]: With dead ends: 442
[2020-11-07 03:55:29,671 INFO  L226             Difference]: Without dead ends: 307
[2020-11-07 03:55:29,673 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2020-11-07 03:55:29,674 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 307 states.
[2020-11-07 03:55:29,768 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 250.
[2020-11-07 03:55:29,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 250 states.
[2020-11-07 03:55:29,770 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 268 transitions.
[2020-11-07 03:55:29,770 INFO  L78                 Accepts]: Start accepts. Automaton has 250 states and 268 transitions. Word has length 162
[2020-11-07 03:55:29,771 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:55:29,771 INFO  L481      AbstractCegarLoop]: Abstraction has 250 states and 268 transitions.
[2020-11-07 03:55:29,771 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-11-07 03:55:29,771 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 268 transitions.
[2020-11-07 03:55:29,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-11-07 03:55:29,774 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:29,774 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]
[2020-11-07 03:55:29,774 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-07 03:55:29,775 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:29,775 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:29,775 INFO  L82        PathProgramCache]: Analyzing trace with hash -2085636402, now seen corresponding path program 1 times
[2020-11-07 03:55:29,776 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:29,776 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908771468]
[2020-11-07 03:55:29,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:29,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,616 WARN  L194               SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:30,617 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:30,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,670 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:30,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,673 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:30,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,675 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:30,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,678 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:30,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,697 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-11-07 03:55:30,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,713 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 03:55:30,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,718 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:30,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,745 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:30,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,749 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152
[2020-11-07 03:55:30,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,751 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162
[2020-11-07 03:55:30,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:30,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:30,793 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908771468]
[2020-11-07 03:55:30,794 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:30,794 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-07 03:55:30,794 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415406851]
[2020-11-07 03:55:30,795 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-07 03:55:30,795 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:30,796 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-07 03:55:30,797 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-11-07 03:55:30,797 INFO  L87              Difference]: Start difference. First operand 250 states and 268 transitions. Second operand 7 states.
[2020-11-07 03:55:32,014 WARN  L194               SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:55:35,274 WARN  L194               SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:55:37,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:55:37,501 INFO  L93              Difference]: Finished difference Result 624 states and 740 transitions.
[2020-11-07 03:55:37,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-11-07 03:55:37,503 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 175
[2020-11-07 03:55:37,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:55:37,508 INFO  L225             Difference]: With dead ends: 624
[2020-11-07 03:55:37,508 INFO  L226             Difference]: Without dead ends: 489
[2020-11-07 03:55:37,510 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210
[2020-11-07 03:55:37,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 489 states.
[2020-11-07 03:55:37,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 360.
[2020-11-07 03:55:37,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 360 states.
[2020-11-07 03:55:37,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 387 transitions.
[2020-11-07 03:55:37,678 INFO  L78                 Accepts]: Start accepts. Automaton has 360 states and 387 transitions. Word has length 175
[2020-11-07 03:55:37,679 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:55:37,679 INFO  L481      AbstractCegarLoop]: Abstraction has 360 states and 387 transitions.
[2020-11-07 03:55:37,679 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-11-07 03:55:37,679 INFO  L276                IsEmpty]: Start isEmpty. Operand 360 states and 387 transitions.
[2020-11-07 03:55:37,682 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2020-11-07 03:55:37,683 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:37,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:55:37,683 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-07 03:55:37,683 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:37,684 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:37,684 INFO  L82        PathProgramCache]: Analyzing trace with hash 1678617296, now seen corresponding path program 1 times
[2020-11-07 03:55:37,684 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:37,685 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851437259]
[2020-11-07 03:55:37,685 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:37,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,393 WARN  L194               SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:38,394 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:38,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,441 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:38,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,443 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:38,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,445 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:38,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,448 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:38,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,472 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-11-07 03:55:38,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,491 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 03:55:38,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,497 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:38,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,502 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:38,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,566 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-11-07 03:55:38,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,621 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-11-07 03:55:38,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,625 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2020-11-07 03:55:38,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,628 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186
[2020-11-07 03:55:38,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:38,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:38,669 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851437259]
[2020-11-07 03:55:38,669 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:38,669 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-11-07 03:55:38,669 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676892969]
[2020-11-07 03:55:38,670 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-11-07 03:55:38,670 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:38,671 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-11-07 03:55:38,671 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-11-07 03:55:38,671 INFO  L87              Difference]: Start difference. First operand 360 states and 387 transitions. Second operand 10 states.
[2020-11-07 03:55:39,937 WARN  L194               SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:55:42,278 WARN  L194               SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:43,087 WARN  L194               SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-07 03:55:43,903 WARN  L194               SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:55:44,686 WARN  L194               SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:45,562 WARN  L194               SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-07 03:55:46,404 WARN  L194               SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:50,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:55:50,751 INFO  L93              Difference]: Finished difference Result 1002 states and 1226 transitions.
[2020-11-07 03:55:50,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-11-07 03:55:50,761 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 199
[2020-11-07 03:55:50,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:55:50,768 INFO  L225             Difference]: With dead ends: 1002
[2020-11-07 03:55:50,768 INFO  L226             Difference]: Without dead ends: 757
[2020-11-07 03:55:50,770 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420
[2020-11-07 03:55:50,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 757 states.
[2020-11-07 03:55:51,034 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 544.
[2020-11-07 03:55:51,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 544 states.
[2020-11-07 03:55:51,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 598 transitions.
[2020-11-07 03:55:51,038 INFO  L78                 Accepts]: Start accepts. Automaton has 544 states and 598 transitions. Word has length 199
[2020-11-07 03:55:51,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:55:51,039 INFO  L481      AbstractCegarLoop]: Abstraction has 544 states and 598 transitions.
[2020-11-07 03:55:51,039 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-11-07 03:55:51,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 544 states and 598 transitions.
[2020-11-07 03:55:51,043 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2020-11-07 03:55:51,043 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:55:51,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:55:51,043 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-07 03:55:51,044 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 03:55:51,044 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:55:51,044 INFO  L82        PathProgramCache]: Analyzing trace with hash -976056019, now seen corresponding path program 1 times
[2020-11-07 03:55:51,045 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:55:51,045 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16214734]
[2020-11-07 03:55:51,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:55:51,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,758 WARN  L194               SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:55:51,759 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:55:51,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,804 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:55:51,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,806 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:55:51,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,808 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:55:51,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,810 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:55:51,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,841 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-11-07 03:55:51,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,862 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 03:55:51,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,867 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:51,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,871 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:55:51,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,874 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-11-07 03:55:51,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,876 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-11-07 03:55:51,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,879 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2020-11-07 03:55:51,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,921 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186
[2020-11-07 03:55:51,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:55:51,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:55:51,972 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16214734]
[2020-11-07 03:55:51,972 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:55:51,972 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-11-07 03:55:51,973 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097485372]
[2020-11-07 03:55:52,003 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-11-07 03:55:52,004 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:55:52,004 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-11-07 03:55:52,005 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-11-07 03:55:52,005 INFO  L87              Difference]: Start difference. First operand 544 states and 598 transitions. Second operand 10 states.
[2020-11-07 03:55:53,139 WARN  L194               SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:55:56,521 WARN  L194               SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:57,321 WARN  L194               SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:55:58,139 WARN  L194               SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:55:58,900 WARN  L194               SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:55:59,668 WARN  L194               SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:56:00,434 WARN  L194               SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:01,241 WARN  L194               SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:02,354 WARN  L194               SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:05,989 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:56:05,989 INFO  L93              Difference]: Finished difference Result 1724 states and 2123 transitions.
[2020-11-07 03:56:05,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-11-07 03:56:05,994 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 199
[2020-11-07 03:56:05,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:56:06,003 INFO  L225             Difference]: With dead ends: 1724
[2020-11-07 03:56:06,003 INFO  L226             Difference]: Without dead ends: 1295
[2020-11-07 03:56:06,006 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-11-07 03:56:06,008 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1295 states.
[2020-11-07 03:56:06,382 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 911.
[2020-11-07 03:56:06,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 911 states.
[2020-11-07 03:56:06,387 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1010 transitions.
[2020-11-07 03:56:06,388 INFO  L78                 Accepts]: Start accepts. Automaton has 911 states and 1010 transitions. Word has length 199
[2020-11-07 03:56:06,388 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:56:06,389 INFO  L481      AbstractCegarLoop]: Abstraction has 911 states and 1010 transitions.
[2020-11-07 03:56:06,389 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-11-07 03:56:06,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 911 states and 1010 transitions.
[2020-11-07 03:56:06,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-11-07 03:56:06,393 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:56:06,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:56:06,393 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-07 03:56:06,394 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]===
[2020-11-07 03:56:06,394 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:56:06,394 INFO  L82        PathProgramCache]: Analyzing trace with hash 731598753, now seen corresponding path program 1 times
[2020-11-07 03:56:06,395 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:56:06,395 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161857887]
[2020-11-07 03:56:06,395 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:56:06,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,160 WARN  L194               SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:56:07,162 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:56:07,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,206 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:56:07,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,208 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:56:07,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,210 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:56:07,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,212 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:56:07,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,236 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-11-07 03:56:07,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,256 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-11-07 03:56:07,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,279 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-11-07 03:56:07,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,285 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:07,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,315 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:07,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,319 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-11-07 03:56:07,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,321 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-11-07 03:56:07,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,324 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2020-11-07 03:56:07,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,326 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191
[2020-11-07 03:56:07,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:07,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:56:07,414 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161857887]
[2020-11-07 03:56:07,414 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:56:07,414 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-11-07 03:56:07,415 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420939945]
[2020-11-07 03:56:07,415 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-11-07 03:56:07,415 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:56:07,416 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-11-07 03:56:07,416 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-11-07 03:56:07,416 INFO  L87              Difference]: Start difference. First operand 911 states and 1010 transitions. Second operand 11 states.
[2020-11-07 03:56:08,661 WARN  L194               SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:56:12,115 WARN  L194               SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:12,919 WARN  L194               SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 03:56:13,713 WARN  L194               SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:56:14,598 WARN  L194               SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:15,441 WARN  L194               SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:16,369 WARN  L194               SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 03:56:17,213 WARN  L194               SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:18,088 WARN  L194               SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:22,407 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:56:22,407 INFO  L93              Difference]: Finished difference Result 1541 states and 1935 transitions.
[2020-11-07 03:56:22,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2020-11-07 03:56:22,409 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 204
[2020-11-07 03:56:22,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:56:22,420 INFO  L225             Difference]: With dead ends: 1541
[2020-11-07 03:56:22,420 INFO  L226             Difference]: Without dead ends: 1537
[2020-11-07 03:56:22,421 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930
[2020-11-07 03:56:22,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1537 states.
[2020-11-07 03:56:22,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 911.
[2020-11-07 03:56:22,813 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 911 states.
[2020-11-07 03:56:22,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1008 transitions.
[2020-11-07 03:56:22,818 INFO  L78                 Accepts]: Start accepts. Automaton has 911 states and 1008 transitions. Word has length 204
[2020-11-07 03:56:22,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:56:22,819 INFO  L481      AbstractCegarLoop]: Abstraction has 911 states and 1008 transitions.
[2020-11-07 03:56:22,819 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-11-07 03:56:22,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 911 states and 1008 transitions.
[2020-11-07 03:56:22,824 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2020-11-07 03:56:22,824 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:56:22,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:56:22,825 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-11-07 03:56:22,825 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]===
[2020-11-07 03:56:22,825 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:56:22,826 INFO  L82        PathProgramCache]: Analyzing trace with hash -1250147085, now seen corresponding path program 1 times
[2020-11-07 03:56:22,826 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:56:22,826 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763455094]
[2020-11-07 03:56:22,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:56:22,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,646 WARN  L194               SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:56:23,648 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:56:23,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,680 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:56:23,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,683 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:56:23,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,685 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:56:23,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,686 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:56:23,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,709 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-11-07 03:56:23,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-11-07 03:56:23,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,741 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-11-07 03:56:23,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,747 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:23,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,779 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:23,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,862 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-11-07 03:56:23,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,864 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-11-07 03:56:23,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,868 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-11-07 03:56:23,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,871 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2020-11-07 03:56:23,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:23,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:56:23,905 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763455094]
[2020-11-07 03:56:23,905 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:56:23,905 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-11-07 03:56:23,906 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630421062]
[2020-11-07 03:56:23,906 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-11-07 03:56:23,906 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:56:23,907 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-11-07 03:56:23,907 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-11-07 03:56:23,907 INFO  L87              Difference]: Start difference. First operand 911 states and 1008 transitions. Second operand 11 states.
[2020-11-07 03:56:26,846 WARN  L194               SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:27,714 WARN  L194               SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-07 03:56:28,624 WARN  L194               SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-11-07 03:56:29,443 WARN  L194               SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:30,277 WARN  L194               SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 03:56:31,060 WARN  L194               SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:34,907 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:56:34,907 INFO  L93              Difference]: Finished difference Result 2355 states and 2891 transitions.
[2020-11-07 03:56:34,908 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-11-07 03:56:34,908 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 205
[2020-11-07 03:56:34,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:56:34,918 INFO  L225             Difference]: With dead ends: 2355
[2020-11-07 03:56:34,918 INFO  L226             Difference]: Without dead ends: 1559
[2020-11-07 03:56:34,922 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-11-07 03:56:34,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1559 states.
[2020-11-07 03:56:35,416 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 943.
[2020-11-07 03:56:35,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 943 states.
[2020-11-07 03:56:35,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1040 transitions.
[2020-11-07 03:56:35,421 INFO  L78                 Accepts]: Start accepts. Automaton has 943 states and 1040 transitions. Word has length 205
[2020-11-07 03:56:35,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:56:35,421 INFO  L481      AbstractCegarLoop]: Abstraction has 943 states and 1040 transitions.
[2020-11-07 03:56:35,422 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-11-07 03:56:35,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 943 states and 1040 transitions.
[2020-11-07 03:56:35,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2020-11-07 03:56:35,426 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:56:35,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:56:35,426 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-11-07 03:56:35,427 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]===
[2020-11-07 03:56:35,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:56:35,427 INFO  L82        PathProgramCache]: Analyzing trace with hash -1375351469, now seen corresponding path program 1 times
[2020-11-07 03:56:35,428 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:56:35,428 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240271364]
[2020-11-07 03:56:35,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:56:35,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,160 WARN  L194               SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 03:56:36,163 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 03:56:36,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,190 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 03:56:36,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,191 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 03:56:36,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,192 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 03:56:36,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,248 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 03:56:36,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,268 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-11-07 03:56:36,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,290 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-11-07 03:56:36,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,315 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-11-07 03:56:36,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,322 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:36,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,327 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 03:56:36,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,378 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-11-07 03:56:36,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,440 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-11-07 03:56:36,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,443 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-11-07 03:56:36,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,445 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2020-11-07 03:56:36,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 03:56:36,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 03:56:36,491 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240271364]
[2020-11-07 03:56:36,491 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 03:56:36,491 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2020-11-07 03:56:36,492 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80443011]
[2020-11-07 03:56:36,492 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-11-07 03:56:36,492 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 03:56:36,493 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-11-07 03:56:36,493 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2020-11-07 03:56:36,493 INFO  L87              Difference]: Start difference. First operand 943 states and 1040 transitions. Second operand 14 states.
[2020-11-07 03:56:37,876 WARN  L194               SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 03:56:38,729 WARN  L194               SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-07 03:56:39,565 WARN  L194               SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:40,372 WARN  L194               SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 03:56:41,136 WARN  L194               SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:43,124 WARN  L194               SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:43,887 WARN  L194               SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 03:56:44,691 WARN  L194               SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:45,509 WARN  L194               SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 03:56:46,312 WARN  L194               SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 03:56:49,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 03:56:49,883 INFO  L93              Difference]: Finished difference Result 2023 states and 2446 transitions.
[2020-11-07 03:56:49,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2020-11-07 03:56:49,884 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states. Word has length 205
[2020-11-07 03:56:49,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 03:56:49,891 INFO  L225             Difference]: With dead ends: 2023
[2020-11-07 03:56:49,891 INFO  L226             Difference]: Without dead ends: 1195
[2020-11-07 03:56:49,895 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756
[2020-11-07 03:56:49,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1195 states.
[2020-11-07 03:56:50,342 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 781.
[2020-11-07 03:56:50,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 781 states.
[2020-11-07 03:56:50,345 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 840 transitions.
[2020-11-07 03:56:50,346 INFO  L78                 Accepts]: Start accepts. Automaton has 781 states and 840 transitions. Word has length 205
[2020-11-07 03:56:50,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-07 03:56:50,346 INFO  L481      AbstractCegarLoop]: Abstraction has 781 states and 840 transitions.
[2020-11-07 03:56:50,346 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-11-07 03:56:50,346 INFO  L276                IsEmpty]: Start isEmpty. Operand 781 states and 840 transitions.
[2020-11-07 03:56:50,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2020-11-07 03:56:50,350 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-07 03:56:50,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-07 03:56:50,351 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-11-07 03:56:50,351 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]===
[2020-11-07 03:56:50,352 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 03:56:50,353 INFO  L82        PathProgramCache]: Analyzing trace with hash -1738965623, now seen corresponding path program 1 times
[2020-11-07 03:56:50,353 INFO  L162   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 03:56:50,353 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663659664]
[2020-11-07 03:56:50,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 03:56:50,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 03:56:50,446 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 03:56:50,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 03:56:50,513 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 03:56:50,766 INFO  L173   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-11-07 03:56:50,767 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-11-07 03:56:50,767 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-11-07 03:56:51,024 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:56:51 BoogieIcfgContainer
[2020-11-07 03:56:51,024 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-07 03:56:51,026 INFO  L168              Benchmark]: Toolchain (without parser) took 102591.11 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 127.7 MB in the beginning and 371.7 MB in the end (delta: -244.0 MB). Peak memory consumption was 147.5 MB. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,027 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,027 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 605.28 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 105.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,028 INFO  L168              Benchmark]: Boogie Preprocessor took 166.56 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 132.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,028 INFO  L168              Benchmark]: RCFGBuilder took 1826.78 ms. Allocated memory is still 152.0 MB. Free memory was 132.9 MB in the beginning and 88.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,029 INFO  L168              Benchmark]: TraceAbstraction took 99978.02 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 88.1 MB in the beginning and 371.7 MB in the end (delta: -283.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB.
[2020-11-07 03:56:51,032 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 605.28 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 105.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 166.56 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 132.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1826.78 ms. Allocated memory is still 152.0 MB. Free memory was 132.9 MB in the beginning and 88.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 99978.02 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 88.1 MB in the beginning and 371.7 MB in the end (delta: -283.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L42]               int cleanupTimeShifts  =    4;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:169}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=145]
[L379]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=145]
[L582]              int pumpRunning  =    0;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=141, waterLevel=145]
[L583]              int systemActive  =    1;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=145]
[L845]              int waterLevel  =    1;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=1]
[L846]              int methaneLevelCritical  =    0;
        VAL         [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123]              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]
[L124]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L128]  FCALL       select_helpers()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L129]  FCALL       select_features()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L130]  CALL, EXPR  valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L172]              int retValue_acc ;
        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]
[L175]              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]
[L176]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L130]  RET, EXPR   valid_product()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L130]              tmp = valid_product()
        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]
[L132]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L134]  FCALL       setup()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L135]  CALL        runTest()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L114]  CALL        test()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L769]              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]
[L770]              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]
[L771]              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]
[L772]              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]
[L773]              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]
[L776]              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]
[L778]  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]
[L780]  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]
[L786]              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]
[L788]  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]
[L790]  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]
[L863]  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]
[L864]              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]
[L790]  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]
[L796]              tmp___0 = __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=1, waterLevel=2]
[L798]  COND TRUE   \read(tmp___0)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L800]  CALL        changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L875]  COND FALSE  !(\read(methaneLevelCritical))
        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]
[L878]              methaneLevelCritical = 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L800]  RET         changeMethaneLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L806]              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=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L808]  COND TRUE   \read(tmp___2)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L810]  CALL        startSystem()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L763]              systemActive = 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L810]  RET         startSystem()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L823]  CALL        timeShift()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L589]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L596]  COND TRUE   \read(systemActive)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L598]  CALL        processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L644]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L647]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L662]  CALL        processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L618]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L621]  COND TRUE   ! pumpRunning
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L623]  CALL, EXPR  isHighWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L741]              int retValue_acc ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L742]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L743]              int tmp___0 ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L747]  CALL, EXPR  isHighWaterSensorDry()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L925]              int retValue_acc ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L928]  COND FALSE  !(waterLevel < 2)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L932]              retValue_acc = 0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L933]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L747]  RET, EXPR   isHighWaterSensorDry()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L747]              tmp = isHighWaterSensorDry()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L749]  COND FALSE  !(\read(tmp))
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L752]              tmp___0 = 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L754]              retValue_acc = tmp___0
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L755]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L623]  RET, EXPR   isHighWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L623]              tmp = isHighWaterLevel()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L625]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L627]  CALL        activatePump()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L672]              pumpRunning = 1
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L627]  RET         activatePump()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L662]  RET         processEnvironment__wrappee__highWaterSensor()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L598]  RET         processEnvironment()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L604]  CALL        __utac_acc__Specification1_spec__1()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L185]              int tmp ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L186]              int tmp___0 ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L190]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L884]              int retValue_acc ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L887]              retValue_acc = methaneLevelCritical
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L888]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L190]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L190]              tmp = isMethaneLevelCritical()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L192]  COND TRUE   \read(tmp)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L194]  CALL, EXPR  isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L696]              int retValue_acc ;
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L699]              retValue_acc = pumpRunning
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L700]              return (retValue_acc);
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L194]  RET, EXPR   isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L194]              tmp___0 = isPumpRunning()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L196]  COND TRUE   \read(tmp___0)
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L198]  CALL        __automaton_fail()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L839]  CALL        reach_error()
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L3]                __assert_fail("0", "minepump_spec1_product38.cil.c", 3, "reach_error")
        VAL         [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 40 procedures, 635 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 99.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 86.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2167 SDtfs, 4814 SDslu, 4861 SDs, 0 SdLazy, 9510 SolverSat, 1454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 46.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=943occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 2516 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 1856 NumberOfCodeBlocks, 1856 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1637 ConstructedInterpolants, 0 QuantifiedInterpolants, 752995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...