java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-20 13:49:57,132 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-20 13:49:57,134 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-09-20 13:49:57,161 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-20 13:49:57,163 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2019-09-20 13:49:57,167 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
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[2019-09-20 13:49:57,180 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-09-20 13:49:57,198 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-20 13:49:57,199 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-20 13:49:57,200 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 13:49:57,240 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-20 13:49:57,240 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-20 13:49:57,241 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-20 13:49:57,241 INFO  L138        SettingsManager]:  * Log level for plugins=info
[2019-09-20 13:49:57,242 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-20 13:49:57,242 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2019-09-20 13:49:57,243 INFO  L138        SettingsManager]:  * Ignore calls to and inside polymorphic procedures=false
[2019-09-20 13:49:57,243 INFO  L138        SettingsManager]:  * Ignore calls to recursive procedures=false
[2019-09-20 13:49:57,243 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-20 13:49:57,243 INFO  L138        SettingsManager]:  * Abstract domain=IntervalDomain
[2019-09-20 13:49:57,245 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-20 13:49:57,246 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-20 13:49:57,246 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-20 13:49:57,246 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-20 13:49:57,247 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-20 13:49:57,247 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-20 13:49:57,247 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-20 13:49:57,247 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-20 13:49:57,247 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-20 13:49:57,248 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-20 13:49:57,248 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-20 13:49:57,248 INFO  L138        SettingsManager]:  * Remove goto edges from RCFG=true
[2019-09-20 13:49:57,249 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-20 13:49:57,249 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-20 13:49:57,249 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-20 13:49:57,249 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-20 13:49:57,250 INFO  L138        SettingsManager]:  * Trace refinement strategy=TAIPAN
[2019-09-20 13:49:57,250 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-20 13:49:57,250 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-20 13:49:57,250 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2019-09-20 13:49:57,301 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-20 13:49:57,315 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-20 13:49:57,321 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-20 13:49:57,323 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-20 13:49:57,324 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-20 13:49:57,325 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c
[2019-09-20 13:49:57,385 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6293a0812/1c427447a1d84830985cd635355e5751/FLAG445758879
[2019-09-20 13:49:57,865 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-20 13:49:57,866 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c
[2019-09-20 13:49:57,881 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6293a0812/1c427447a1d84830985cd635355e5751/FLAG445758879
[2019-09-20 13:49:58,135 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6293a0812/1c427447a1d84830985cd635355e5751
[2019-09-20 13:49:58,144 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-20 13:49:58,145 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-20 13:49:58,147 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-20 13:49:58,147 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-20 13:49:58,151 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-20 13:49:58,152 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,155 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356071d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58, skipping insertion in model container
[2019-09-20 13:49:58,155 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,163 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-20 13:49:58,226 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-20 13:49:58,703 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:49:58,719 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-20 13:49:58,820 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:49:58,868 INFO  L192         MainTranslator]: Completed translation
[2019-09-20 13:49:58,869 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58 WrapperNode
[2019-09-20 13:49:58,869 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-20 13:49:58,870 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-20 13:49:58,870 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-20 13:49:58,870 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-20 13:49:58,882 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,882 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,912 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,912 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,954 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,963 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,968 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (1/1) ...
[2019-09-20 13:49:58,976 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-20 13:49:58,977 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-20 13:49:58,977 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-20 13:49:58,977 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-20 13:49:58,978 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:49:58" (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 13:49:59,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-20 13:49:59,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-20 13:49:59,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-20 13:49:59,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-20 13:49:59,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:49:59,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-20 13:49:59,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-20 13:49:59,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-20 13:49:59,042 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-20 13:49:59,043 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2019-09-20 13:49:59,044 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-20 13:49:59,045 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-20 13:49:59,046 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-20 13:49:59,047 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-20 13:49:59,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-20 13:49:59,049 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-20 13:49:59,049 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-20 13:49:59,049 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-20 13:49:59,049 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-20 13:49:59,049 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-20 13:49:59,051 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-20 13:49:59,051 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-20 13:49:59,051 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-20 13:49:59,051 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-20 13:49:59,051 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-20 13:49:59,052 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-20 13:49:59,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-20 13:50:00,166 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-20 13:50:00,166 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-20 13:50:00,168 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:00 BoogieIcfgContainer
[2019-09-20 13:50:00,168 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-20 13:50:00,169 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-09-20 13:50:00,169 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2019-09-20 13:50:00,169 INFO  L275        PluginConnector]: Abstract Interpretation initialized
[2019-09-20 13:50:00,170 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:50:00" (1/1) ...
[2019-09-20 13:50:00,205 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-09-20 13:50:00,285 INFO  L266    AbstractInterpreter]: Error location(s) were unreachable
[2019-09-20 13:50:00,292 INFO  L272    AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 72 root evaluator evaluations with a maximum evaluation depth of 0. Performed 72 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 132 variables.
[2019-09-20 13:50:00,292 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-09-20 13:50:00,295 INFO  L168              Benchmark]: Toolchain (without parser) took 2148.61 ms. Allocated memory was 139.5 MB in the beginning and 220.7 MB in the end (delta: 81.3 MB). Free memory was 85.9 MB in the beginning and 181.7 MB in the end (delta: -95.9 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,296 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,297 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 723.10 ms. Allocated memory was 139.5 MB in the beginning and 196.6 MB in the end (delta: 57.1 MB). Free memory was 85.7 MB in the beginning and 162.1 MB in the end (delta: -76.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,298 INFO  L168              Benchmark]: Boogie Preprocessor took 106.30 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 157.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,299 INFO  L168              Benchmark]: RCFGBuilder took 1191.50 ms. Allocated memory was 196.6 MB in the beginning and 220.7 MB in the end (delta: 24.1 MB). Free memory was 157.8 MB in the beginning and 188.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,300 INFO  L168              Benchmark]: Abstract Interpretation took 123.27 ms. Allocated memory is still 220.7 MB. Free memory was 188.5 MB in the beginning and 181.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB.
[2019-09-20 13:50:00,304 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 723.10 ms. Allocated memory was 139.5 MB in the beginning and 196.6 MB in the end (delta: 57.1 MB). Free memory was 85.7 MB in the beginning and 162.1 MB in the end (delta: -76.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 106.30 ms. Allocated memory is still 196.6 MB. Free memory was 162.1 MB in the beginning and 157.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1191.50 ms. Allocated memory was 196.6 MB in the beginning and 220.7 MB in the end (delta: 24.1 MB). Free memory was 157.8 MB in the beginning and 188.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB.
 * Abstract Interpretation took 123.27 ms. Allocated memory is still 220.7 MB. Free memory was 188.5 MB in the beginning and 181.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - PositiveResult [Line: 829]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
RESULT: Ultimate proved your program to be correct!
Received shutdown request...