/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 23:58:15,827 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 23:58:15,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 23:58:15,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 23:58:15,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 23:58:15,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 23:58:15,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 23:58:15,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 23:58:15,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 23:58:15,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 23:58:15,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 23:58:15,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 23:58:15,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 23:58:15,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 23:58:15,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 23:58:15,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 23:58:15,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 23:58:15,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 23:58:15,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 23:58:15,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 23:58:15,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 23:58:15,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 23:58:15,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 23:58:15,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 23:58:15,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 23:58:15,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 23:58:15,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 23:58:15,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-23 23:58:15,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-23 23:58:15,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-23 23:58:15,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 23:58:15,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-23 23:58:15,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-23 23:58:15,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-23 23:58:15,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-23 23:58:15,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-23 23:58:15,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-23 23:58:15,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-23 23:58:15,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-23 23:58:15,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-23 23:58:15,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 23:58:15,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-23 23:58:15,946 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 23:58:15,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 23:58:15,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 23:58:15,948 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 23:58:15,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 23:58:15,949 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 23:58:15,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 23:58:15,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 23:58:15,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 23:58:15,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 23:58:15,950 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 23:58:15,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 23:58:15,950 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 23:58:15,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 23:58:15,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 23:58:15,951 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-23 23:58:15,951 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 23:58:15,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 23:58:15,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:58:15,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 23:58:15,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-23 23:58:15,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 23:58:15,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-10-23 23:58:16,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 23:58:16,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 23:58:16,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 23:58:16,385 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 23:58:16,386 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 23:58:16,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c
[2020-10-23 23:58:16,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96a4f9a1/70795787a94643ef8d9cae1a962e58fe/FLAG7a1bb8df7
[2020-10-23 23:58:17,162 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 23:58:17,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c
[2020-10-23 23:58:17,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96a4f9a1/70795787a94643ef8d9cae1a962e58fe/FLAG7a1bb8df7
[2020-10-23 23:58:17,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f96a4f9a1/70795787a94643ef8d9cae1a962e58fe
[2020-10-23 23:58:17,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 23:58:17,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 23:58:17,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 23:58:17,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 23:58:17,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 23:58:17,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:17" (1/1) ...
[2020-10-23 23:58:17,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ae6049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:17, skipping insertion in model container
[2020-10-23 23:58:17,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:17" (1/1) ...
[2020-10-23 23:58:17,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 23:58:17,541 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 23:58:17,947 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:58:17,969 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 23:58:18,120 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:58:18,162 INFO L208 MainTranslator]: Completed translation
[2020-10-23 23:58:18,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18 WrapperNode
[2020-10-23 23:58:18,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 23:58:18,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 23:58:18,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 23:58:18,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 23:58:18,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
[2020-10-23 23:58:18,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 23:58:18,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 23:58:18,285 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 23:58:18,285 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 23:58:18,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:58:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 23:58:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 23:58:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:58:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 23:58:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-23 23:58:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-23 23:58:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-23 23:58:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-23 23:58:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-23 23:58:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-23 23:58:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-23 23:58:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-10-23 23:58:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-10-23 23:58:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-23 23:58:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-23 23:58:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-23 23:58:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-23 23:58:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-23 23:58:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-23 23:58:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-23 23:58:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 23:58:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 23:58:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-23 23:58:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-23 23:58:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-10-23 23:58:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-23 23:58:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-23 23:58:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 23:58:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 23:58:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 23:58:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 23:58:19,774 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 23:58:19,775 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-23 23:58:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:19 BoogieIcfgContainer
[2020-10-23 23:58:19,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 23:58:19,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 23:58:19,780 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 23:58:19,784 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 23:58:19,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:58:17" (1/3) ...
[2020-10-23 23:58:19,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350de6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:19, skipping insertion in model container
[2020-10-23 23:58:19,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:18" (2/3) ...
[2020-10-23 23:58:19,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350de6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:19, skipping insertion in model container
[2020-10-23 23:58:19,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:19" (3/3) ...
[2020-10-23 23:58:19,787 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c
[2020-10-23 23:58:19,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-23 23:58:19,805 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-23 23:58:19,820 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-23 23:58:19,845 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 23:58:19,845 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 23:58:19,845 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-23 23:58:19,845 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 23:58:19,846 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 23:58:19,846 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 23:58:19,846 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 23:58:19,846 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 23:58:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states.
[2020-10-23 23:58:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-10-23 23:58:19,893 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:19,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:58:19,895 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 886937434, now seen corresponding path program 1 times
[2020-10-23 23:58:19,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:19,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274877185]
[2020-10-23 23:58:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,736 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-10-23 23:58:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:58:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-10-23 23:58:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:20,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274877185]
[2020-10-23 23:58:20,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:20,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-23 23:58:20,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158396039]
[2020-10-23 23:58:20,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-23 23:58:20,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:20,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-23 23:58:20,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:58:20,985 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 3 states.
[2020-10-23 23:58:22,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:22,876 INFO L93 Difference]: Finished difference Result 501 states and 600 transitions.
[2020-10-23 23:58:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-23 23:58:22,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159
[2020-10-23 23:58:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:22,896 INFO L225 Difference]: With dead ends: 501
[2020-10-23 23:58:22,896 INFO L226 Difference]: Without dead ends: 310
[2020-10-23 23:58:22,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:58:22,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states.
[2020-10-23 23:58:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 267.
[2020-10-23 23:58:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states.
[2020-10-23 23:58:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 292 transitions.
[2020-10-23 23:58:23,084 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 292 transitions. Word has length 159
[2020-10-23 23:58:23,085 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:23,086 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 292 transitions.
[2020-10-23 23:58:23,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-23 23:58:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 292 transitions.
[2020-10-23 23:58:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-10-23 23:58:23,090 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:23,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:58:23,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 23:58:23,091 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:23,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:23,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1464709532, now seen corresponding path program 1 times
[2020-10-23 23:58:23,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:23,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624574257]
[2020-10-23 23:58:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,654 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:23,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-10-23 23:58:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-10-23 23:58:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-10-23 23:58:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:23,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624574257]
[2020-10-23 23:58:23,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:23,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-23 23:58:23,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739795525]
[2020-10-23 23:58:23,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-23 23:58:23,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:23,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-23 23:58:23,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-23 23:58:23,785 INFO L87 Difference]: Start difference. First operand 267 states and 292 transitions. Second operand 4 states.
[2020-10-23 23:58:24,586 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:58:25,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:25,883 INFO L93 Difference]: Finished difference Result 409 states and 463 transitions.
[2020-10-23 23:58:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 23:58:25,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-10-23 23:58:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:25,889 INFO L225 Difference]: With dead ends: 409
[2020-10-23 23:58:25,889 INFO L226 Difference]: Without dead ends: 293
[2020-10-23 23:58:25,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-23 23:58:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2020-10-23 23:58:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 257.
[2020-10-23 23:58:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states.
[2020-10-23 23:58:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 279 transitions.
[2020-10-23 23:58:25,996 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 279 transitions. Word has length 160
[2020-10-23 23:58:25,996 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:25,997 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 279 transitions.
[2020-10-23 23:58:25,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-23 23:58:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 279 transitions.
[2020-10-23 23:58:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2020-10-23 23:58:25,999 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:26,000 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]
[2020-10-23 23:58:26,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-23 23:58:26,000 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:26,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:26,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1108063253, now seen corresponding path program 1 times
[2020-10-23 23:58:26,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:26,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279762029]
[2020-10-23 23:58:26,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,493 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:58:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-10-23 23:58:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-10-23 23:58:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:26,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279762029]
[2020-10-23 23:58:26,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:26,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-10-23 23:58:26,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94269043]
[2020-10-23 23:58:26,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-23 23:58:26,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:26,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-23 23:58:26,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-10-23 23:58:26,735 INFO L87 Difference]: Start difference. First operand 257 states and 279 transitions. Second operand 9 states.
[2020-10-23 23:58:27,461 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:27,953 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:58:28,333 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-23 23:58:28,708 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:29,098 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:58:29,460 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:30,715 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:58:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:33,554 INFO L93 Difference]: Finished difference Result 684 states and 791 transitions.
[2020-10-23 23:58:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-10-23 23:58:33,560 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169
[2020-10-23 23:58:33,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:33,574 INFO L225 Difference]: With dead ends: 684
[2020-10-23 23:58:33,574 INFO L226 Difference]: Without dead ends: 542
[2020-10-23 23:58:33,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2020-10-23 23:58:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states.
[2020-10-23 23:58:33,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 473.
[2020-10-23 23:58:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states.
[2020-10-23 23:58:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 532 transitions.
[2020-10-23 23:58:33,787 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 532 transitions. Word has length 169
[2020-10-23 23:58:33,787 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:33,787 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 532 transitions.
[2020-10-23 23:58:33,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-23 23:58:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 532 transitions.
[2020-10-23 23:58:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2020-10-23 23:58:33,793 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:33,794 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]
[2020-10-23 23:58:33,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-23 23:58:33,794 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash 852257396, now seen corresponding path program 1 times
[2020-10-23 23:58:33,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:33,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013888996]
[2020-10-23 23:58:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,248 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-23 23:58:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-10-23 23:58:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-10-23 23:58:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-10-23 23:58:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:34,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013888996]
[2020-10-23 23:58:34,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:34,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-10-23 23:58:34,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456433070]
[2020-10-23 23:58:34,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-23 23:58:34,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:34,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-23 23:58:34,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-10-23 23:58:34,443 INFO L87 Difference]: Start difference. First operand 473 states and 532 transitions. Second operand 9 states.
[2020-10-23 23:58:35,096 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:37,508 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:37,920 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:58:38,368 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:38,805 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:39,183 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:58:39,539 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:39,913 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:41,023 INFO L93 Difference]: Finished difference Result 1271 states and 1532 transitions.
[2020-10-23 23:58:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-10-23 23:58:41,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178
[2020-10-23 23:58:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:41,037 INFO L225 Difference]: With dead ends: 1271
[2020-10-23 23:58:41,037 INFO L226 Difference]: Without dead ends: 913
[2020-10-23 23:58:41,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-10-23 23:58:41,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states.
[2020-10-23 23:58:41,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 813.
[2020-10-23 23:58:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states.
[2020-10-23 23:58:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 941 transitions.
[2020-10-23 23:58:41,465 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 941 transitions. Word has length 178
[2020-10-23 23:58:41,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:41,466 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 941 transitions.
[2020-10-23 23:58:41,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-23 23:58:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 941 transitions.
[2020-10-23 23:58:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-10-23 23:58:41,471 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:41,471 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]
[2020-10-23 23:58:41,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-23 23:58:41,472 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:41,473 INFO L82 PathProgramCache]: Analyzing trace with hash 548422459, now seen corresponding path program 1 times
[2020-10-23 23:58:41,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:41,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168017541]
[2020-10-23 23:58:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,902 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-23 23:58:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-10-23 23:58:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-10-23 23:58:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-10-23 23:58:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2020-10-23 23:58:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:42,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168017541]
[2020-10-23 23:58:42,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:42,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-23 23:58:42,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957822113]
[2020-10-23 23:58:42,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-23 23:58:42,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:42,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-23 23:58:42,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-10-23 23:58:42,056 INFO L87 Difference]: Start difference. First operand 813 states and 941 transitions. Second operand 6 states.
[2020-10-23 23:58:42,687 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:43,942 INFO L93 Difference]: Finished difference Result 1296 states and 1543 transitions.
[2020-10-23 23:58:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-10-23 23:58:43,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183
[2020-10-23 23:58:43,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:43,953 INFO L225 Difference]: With dead ends: 1296
[2020-10-23 23:58:43,953 INFO L226 Difference]: Without dead ends: 598
[2020-10-23 23:58:43,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-10-23 23:58:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states.
[2020-10-23 23:58:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 568.
[2020-10-23 23:58:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states.
[2020-10-23 23:58:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 619 transitions.
[2020-10-23 23:58:44,237 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 619 transitions. Word has length 183
[2020-10-23 23:58:44,238 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:44,238 INFO L481 AbstractCegarLoop]: Abstraction has 568 states and 619 transitions.
[2020-10-23 23:58:44,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-23 23:58:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 619 transitions.
[2020-10-23 23:58:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-10-23 23:58:44,245 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:44,245 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]
[2020-10-23 23:58:44,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-23 23:58:44,246 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:58:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -209512305, now seen corresponding path program 1 times
[2020-10-23 23:58:44,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:44,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430930483]
[2020-10-23 23:58:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:58:44,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:58:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:58:44,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:58:44,685 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-23 23:58:44,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 23:58:44,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-23 23:58:44,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:58:44 BoogieIcfgContainer
[2020-10-23 23:58:44,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 23:58:44,992 INFO L168 Benchmark]: Toolchain (without parser) took 27556.26 ms. Allocated memory was 166.7 MB in the beginning and 508.6 MB in the end (delta: 341.8 MB). Free memory was 143.0 MB in the beginning and 386.5 MB in the end (delta: -243.5 MB). Peak memory consumption was 98.5 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:44,997 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 125.8 MB. Free memory was 101.4 MB in the beginning and 101.3 MB in the end (delta: 98.0 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 23:58:44,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.14 ms. Allocated memory is still 166.7 MB. Free memory was 142.4 MB in the beginning and 120.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:44,999 INFO L168 Benchmark]: Boogie Preprocessor took 120.18 ms. Allocated memory is still 166.7 MB. Free memory was 120.9 MB in the beginning and 148.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:45,000 INFO L168 Benchmark]: RCFGBuilder took 1493.61 ms. Allocated memory is still 166.7 MB. Free memory was 148.6 MB in the beginning and 135.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:45,001 INFO L168 Benchmark]: TraceAbstraction took 25209.50 ms. Allocated memory was 166.7 MB in the beginning and 508.6 MB in the end (delta: 341.8 MB). Free memory was 135.5 MB in the beginning and 386.5 MB in the end (delta: -251.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB.
[2020-10-23 23:58:45,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.92 ms. Allocated memory is still 125.8 MB. Free memory was 101.4 MB in the beginning and 101.3 MB in the end (delta: 98.0 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 718.14 ms. Allocated memory is still 166.7 MB. Free memory was 142.4 MB in the beginning and 120.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 120.18 ms. Allocated memory is still 166.7 MB. Free memory was 120.9 MB in the beginning and 148.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1493.61 ms. Allocated memory is still 166.7 MB. Free memory was 148.6 MB in the beginning and 135.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 25209.50 ms. Allocated memory was 166.7 MB in the beginning and 508.6 MB in the end (delta: 341.8 MB). Free memory was 135.5 MB in the beginning and 386.5 MB in the end (delta: -251.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L49] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=176, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=176, head={182:169}, methaneLevelCritical=152, pumpRunning=141, systemActive=140, waterLevel=1]
[L50] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=176, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=176, head={182:169}, methaneLevelCritical=0, pumpRunning=141, systemActive=140, waterLevel=1]
[L179] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=176, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=176, head={182:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=140, waterLevel=1]
[L180] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=176, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=176, head={182:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L440] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=176, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={182:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L717] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=176, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L516] 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]
[L517] 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]
[L521] 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]
[L522] 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]
[L523] 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]
[L940] 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]
[L943] 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]
[L944] 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]
[L523] 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]
[L523] 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]
[L525] 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]
[L527] 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]
[L528] 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]
[L507] 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]
[L374] 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]
[L375] 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]
[L376] 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]
[L377] 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]
[L378] 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]
[L381] 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]
[L383] 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]
[L385] 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]
[L391] 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]
[L393] 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]
[L395] 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]
[L67] 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]
[L68] 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]
[L395] 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]
[L401] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L403] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L411] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2]
[L413] COND FALSE !(\read(tmp___2))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2]
[L417] tmp___1 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L419] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L421] CALL stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L360] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L367] systemActive = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L421] RET stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L428] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L186] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L193] COND FALSE !(\read(systemActive))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L201] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L141] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L142] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L143] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L147] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L88] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L91] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L92] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L147] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L147] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L149] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L153] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L120] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L123] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L124] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L153] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L153] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L155] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L157] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L293] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L296] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L297] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L157] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L157] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L159] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L163] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L543] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product23.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 40 procedures, 640 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1216 SDtfs, 1633 SDslu, 1579 SDs, 0 SdLazy, 3524 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=813occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 278 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 844 ConstructedInterpolants, 0 QuantifiedInterpolants, 375690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...