java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fea9116
[2019-09-20 13:31:22,369 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-20 13:31:22,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-09-20 13:31:22,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-20 13:31:22,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-20 13:31:22,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-20 13:31:22,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-20 13:31:22,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-20 13:31:22,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-09-20 13:31:22,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-20 13:31:22,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-09-20 13:31:22,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-20 13:31:22,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-20 13:31:22,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-20 13:31:22,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-20 13:31:22,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-20 13:31:22,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-20 13:31:22,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-20 13:31:22,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-20 13:31:22,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-09-20 13:31:22,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-20 13:31:22,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-09-20 13:31:22,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-09-20 13:31:22,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-20 13:31:22,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2019-09-20 13:31:22,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-20 13:31:22,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-09-20 13:31:22,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf
[2019-09-20 13:31:22,432 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-20 13:31:22,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-20 13:31:22,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-20 13:31:22,433 INFO L138 SettingsManager]: * Log level for plugins=info
[2019-09-20 13:31:22,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-20 13:31:22,434 INFO L138 SettingsManager]: * User list type=DISABLED
[2019-09-20 13:31:22,434 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false
[2019-09-20 13:31:22,434 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false
[2019-09-20 13:31:22,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-20 13:31:22,435 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain
[2019-09-20 13:31:22,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-20 13:31:22,436 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-20 13:31:22,436 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-20 13:31:22,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-20 13:31:22,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-20 13:31:22,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-20 13:31:22,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-20 13:31:22,437 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-20 13:31:22,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-20 13:31:22,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-20 13:31:22,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-20 13:31:22,437 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true
[2019-09-20 13:31:22,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-20 13:31:22,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-20 13:31:22,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-20 13:31:22,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-20 13:31:22,438 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-09-20 13:31:22,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-20 13:31:22,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-20 13:31:22,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-09-20 13:31:22,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-20 13:31:22,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-20 13:31:22,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-20 13:31:22,485 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-20 13:31:22,485 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-20 13:31:22,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c
[2019-09-20 13:31:22,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc600225/424c5198cd074be8b401b2abd432aa2d/FLAG9111cd0a1
[2019-09-20 13:31:23,036 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-20 13:31:23,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c
[2019-09-20 13:31:23,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc600225/424c5198cd074be8b401b2abd432aa2d/FLAG9111cd0a1
[2019-09-20 13:31:23,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc600225/424c5198cd074be8b401b2abd432aa2d
[2019-09-20 13:31:23,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-20 13:31:23,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-20 13:31:23,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-20 13:31:23,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-20 13:31:23,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-20 13:31:23,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:23" (1/1) ...
[2019-09-20 13:31:23,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24847820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:23, skipping insertion in model container
[2019-09-20 13:31:23,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:23" (1/1) ...
[2019-09-20 13:31:23,401 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-20 13:31:23,464 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-20 13:31:23,950 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:31:23,983 INFO L188 MainTranslator]: Completed pre-run
[2019-09-20 13:31:24,123 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:31:24,160 INFO L192 MainTranslator]: Completed translation
[2019-09-20 13:31:24,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24 WrapperNode
[2019-09-20 13:31:24,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-20 13:31:24,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-20 13:31:24,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-20 13:31:24,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-20 13:31:24,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ...
[2019-09-20 13:31:24,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-20 13:31:24,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-20 13:31:24,264 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-20 13:31:24,264 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-20 13:31:24,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (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
[2019-09-20 13:31:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-20 13:31:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-20 13:31:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-20 13:31:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2019-09-20 13:31:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-20 13:31:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-20 13:31:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-09-20 13:31:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2019-09-20 13:31:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-20 13:31:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2019-09-20 13:31:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:31:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-20 13:31:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-20 13:31:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-20 13:31:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-20 13:31:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-09-20 13:31:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2019-09-20 13:31:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-20 13:31:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2019-09-20 13:31:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-09-20 13:31:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-20 13:31:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-20 13:31:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-20 13:31:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-09-20 13:31:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-20 13:31:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-20 13:31:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-20 13:31:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:31:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:31:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-09-20 13:31:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-20 13:31:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-20 13:31:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-20 13:31:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-20 13:31:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-20 13:31:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-20 13:31:25,665 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-20 13:31:25,666 INFO L283 CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-20 13:31:25,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:25 BoogieIcfgContainer
[2019-09-20 13:31:25,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-20 13:31:25,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-20 13:31:25,669 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-09-20 13:31:25,674 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-09-20 13:31:25,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:23" (1/3) ...
[2019-09-20 13:31:25,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29acfa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:25, skipping insertion in model container
[2019-09-20 13:31:25,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (2/3) ...
[2019-09-20 13:31:25,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29acfa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:25, skipping insertion in model container
[2019-09-20 13:31:25,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:25" (3/3) ...
[2019-09-20 13:31:25,679 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product32.cil.c
[2019-09-20 13:31:25,690 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-20 13:31:25,701 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-20 13:31:25,719 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-20 13:31:25,745 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2019-09-20 13:31:25,745 INFO L378 AbstractCegarLoop]: Hoare is false
[2019-09-20 13:31:25,745 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-20 13:31:25,745 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-20 13:31:25,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-20 13:31:25,746 INFO L382 AbstractCegarLoop]: Difference is false
[2019-09-20 13:31:25,746 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-20 13:31:25,746 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-20 13:31:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states.
[2019-09-20 13:31:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2019-09-20 13:31:25,782 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:25,783 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-20 13:31:25,786 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:25,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1444544899, now seen corresponding path program 1 times
[2019-09-20 13:31:25,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:25,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:25,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:25,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:25,852 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-09-20 13:31:26,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:26,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-09-20 13:31:26,172 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:26,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-09-20 13:31:26,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-09-20 13:31:26,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-09-20 13:31:26,214 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states.
[2019-09-20 13:31:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:26,250 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions.
[2019-09-20 13:31:26,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-09-20 13:31:26,251 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2019-09-20 13:31:26,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:26,267 INFO L225 Difference]: With dead ends: 153
[2019-09-20 13:31:26,267 INFO L226 Difference]: Without dead ends: 142
[2019-09-20 13:31:26,269 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-09-20 13:31:26,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2019-09-20 13:31:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2019-09-20 13:31:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states.
[2019-09-20 13:31:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions.
[2019-09-20 13:31:26,333 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59
[2019-09-20 13:31:26,333 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:26,333 INFO L475 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions.
[2019-09-20 13:31:26,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-09-20 13:31:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions.
[2019-09-20 13:31:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2019-09-20 13:31:26,338 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:26,338 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-20 13:31:26,339 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:26,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:26,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1653492373, now seen corresponding path program 1 times
[2019-09-20 13:31:26,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:26,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:26,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:26,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:26,343 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-09-20 13:31:26,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:26,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-20 13:31:26,495 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:26,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-20 13:31:26,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-20 13:31:26,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-20 13:31:26,500 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states.
[2019-09-20 13:31:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:26,532 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions.
[2019-09-20 13:31:26,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-09-20 13:31:26,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2019-09-20 13:31:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:26,538 INFO L225 Difference]: With dead ends: 133
[2019-09-20 13:31:26,539 INFO L226 Difference]: Without dead ends: 133
[2019-09-20 13:31:26,540 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-20 13:31:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2019-09-20 13:31:26,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133.
[2019-09-20 13:31:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states.
[2019-09-20 13:31:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions.
[2019-09-20 13:31:26,568 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60
[2019-09-20 13:31:26,568 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:26,568 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions.
[2019-09-20 13:31:26,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-20 13:31:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions.
[2019-09-20 13:31:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2019-09-20 13:31:26,573 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:26,573 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-20 13:31:26,575 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:26,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1259056052, now seen corresponding path program 1 times
[2019-09-20 13:31:26,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:26,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:26,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:26,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:26,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-09-20 13:31:26,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:26,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-09-20 13:31:26,783 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:26,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-20 13:31:26,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-20 13:31:26,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:31:26,785 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states.
[2019-09-20 13:31:27,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:27,379 INFO L93 Difference]: Finished difference Result 294 states and 354 transitions.
[2019-09-20 13:31:27,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2019-09-20 13:31:27,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65
[2019-09-20 13:31:27,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:27,389 INFO L225 Difference]: With dead ends: 294
[2019-09-20 13:31:27,389 INFO L226 Difference]: Without dead ends: 294
[2019-09-20 13:31:27,389 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2019-09-20 13:31:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2019-09-20 13:31:27,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282.
[2019-09-20 13:31:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2019-09-20 13:31:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions.
[2019-09-20 13:31:27,417 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 65
[2019-09-20 13:31:27,418 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:27,418 INFO L475 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions.
[2019-09-20 13:31:27,418 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-20 13:31:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions.
[2019-09-20 13:31:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2019-09-20 13:31:27,422 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:27,422 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-20 13:31:27,423 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:27,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:27,423 INFO L82 PathProgramCache]: Analyzing trace with hash 760932969, now seen corresponding path program 1 times
[2019-09-20 13:31:27,423 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:27,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:27,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:27,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:27,426 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-09-20 13:31:27,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:27,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-09-20 13:31:27,567 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:27,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-20 13:31:27,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-20 13:31:27,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:31:27,569 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand 7 states.
[2019-09-20 13:31:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:27,992 INFO L93 Difference]: Finished difference Result 202 states and 230 transitions.
[2019-09-20 13:31:27,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-09-20 13:31:27,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70
[2019-09-20 13:31:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:27,993 INFO L225 Difference]: With dead ends: 202
[2019-09-20 13:31:27,994 INFO L226 Difference]: Without dead ends: 0
[2019-09-20 13:31:27,994 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2019-09-20 13:31:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-09-20 13:31:27,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-09-20 13:31:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-09-20 13:31:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-09-20 13:31:27,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70
[2019-09-20 13:31:27,997 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:27,997 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-09-20 13:31:27,997 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-20 13:31:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-09-20 13:31:28,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-09-20 13:31:28,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:28 BoogieIcfgContainer
[2019-09-20 13:31:28,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-09-20 13:31:28,011 INFO L168 Benchmark]: Toolchain (without parser) took 4625.58 ms. Allocated memory was 133.7 MB in the beginning and 257.9 MB in the end (delta: 124.3 MB). Free memory was 88.7 MB in the beginning and 135.8 MB in the end (delta: -47.1 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,014 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.17 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 164.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,021 INFO L168 Benchmark]: Boogie Preprocessor took 101.36 ms. Allocated memory is still 200.8 MB. Free memory was 164.6 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,023 INFO L168 Benchmark]: RCFGBuilder took 1404.39 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 160.1 MB in the beginning and 189.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,025 INFO L168 Benchmark]: TraceAbstraction took 2337.39 ms. Allocated memory was 227.0 MB in the beginning and 257.9 MB in the end (delta: 30.9 MB). Free memory was 189.2 MB in the beginning and 135.8 MB in the end (delta: 53.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:28,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 776.17 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 164.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 101.36 ms. Allocated memory is still 200.8 MB. Free memory was 164.6 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1404.39 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 160.1 MB in the beginning and 189.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2337.39 ms. Allocated memory was 227.0 MB in the beginning and 257.9 MB in the end (delta: 30.9 MB). Free memory was 189.2 MB in the beginning and 135.8 MB in the end (delta: 53.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 185]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 43 procedures, 251 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 427 SDslu, 852 SDs, 0 SdLazy, 444 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...