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_spec4_product02.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fea9116
[2019-09-20 13:30:35,334 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-20 13:30:35,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-20 13:30:35,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-20 13:30:35,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-20 13:30:35,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-20 13:30:35,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-20 13:30:35,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-20 13:30:35,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-20 13:30:35,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-20 13:30:35,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-09-20 13:30:35,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-20 13:30:35,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-20 13:30:35,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-20 13:30:35,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-20 13:30:35,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-20 13:30:35,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-20 13:30:35,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-20 13:30:35,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-20 13:30:35,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-20 13:30:35,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-20 13:30:35,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-20 13:30:35,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-09-20 13:30:35,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-20 13:30:35,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-20 13:30:35,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-20 13:30:35,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-20 13:30:35,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-20 13:30:35,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-20 13:30:35,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-20 13:30:35,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-20 13:30:35,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-20 13:30:35,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-20 13:30:35,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-20 13:30:35,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-20 13:30:35,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-20 13:30:35,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-20 13:30:35,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-20 13:30:35,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-20 13:30:35,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-20 13:30:35,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-09-20 13:30:35,429 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 13:30:35,451 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-20 13:30:35,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-20 13:30:35,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-20 13:30:35,452 INFO L138 SettingsManager]: * Log level for plugins=info
[2019-09-20 13:30:35,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-20 13:30:35,453 INFO L138 SettingsManager]: * User list type=DISABLED
[2019-09-20 13:30:35,454 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false
[2019-09-20 13:30:35,454 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false
[2019-09-20 13:30:35,454 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-20 13:30:35,454 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain
[2019-09-20 13:30:35,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-20 13:30:35,457 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-20 13:30:35,457 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-20 13:30:35,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-20 13:30:35,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-20 13:30:35,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-20 13:30:35,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-20 13:30:35,459 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-20 13:30:35,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-20 13:30:35,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-20 13:30:35,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-20 13:30:35,459 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true
[2019-09-20 13:30:35,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-20 13:30:35,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-20 13:30:35,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-20 13:30:35,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-20 13:30:35,461 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-09-20 13:30:35,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-20 13:30:35,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-20 13:30:35,461 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-09-20 13:30:35,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-20 13:30:35,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-20 13:30:35,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-20 13:30:35,525 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-20 13:30:35,526 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-20 13:30:35,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c
[2019-09-20 13:30:35,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6315af/6e7925a254c24894a48642d7811b9529/FLAGb6a3c2339
[2019-09-20 13:30:36,149 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-20 13:30:36,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c
[2019-09-20 13:30:36,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6315af/6e7925a254c24894a48642d7811b9529/FLAGb6a3c2339
[2019-09-20 13:30:36,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b6315af/6e7925a254c24894a48642d7811b9529
[2019-09-20 13:30:36,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-20 13:30:36,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-20 13:30:36,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-20 13:30:36,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-20 13:30:36,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-20 13:30:36,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:36" (1/1) ...
[2019-09-20 13:30:36,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662e16af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:36, skipping insertion in model container
[2019-09-20 13:30:36,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:36" (1/1) ...
[2019-09-20 13:30:36,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-20 13:30:36,478 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-20 13:30:37,023 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:30:37,046 INFO L188 MainTranslator]: Completed pre-run
[2019-09-20 13:30:37,143 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:30:37,175 INFO L192 MainTranslator]: Completed translation
[2019-09-20 13:30:37,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37 WrapperNode
[2019-09-20 13:30:37,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-20 13:30:37,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-20 13:30:37,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-20 13:30:37,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-20 13:30:37,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (1/1) ...
[2019-09-20 13:30:37,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-20 13:30:37,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-20 13:30:37,294 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-20 13:30:37,294 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-20 13:30:37,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (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 13:30:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-20 13:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-20 13:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-20 13:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-20 13:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-20 13:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-20 13:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-20 13:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-20 13:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-20 13:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-20 13:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2019-09-20 13:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-20 13:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-20 13:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-20 13:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-20 13:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-20 13:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-20 13:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-20 13:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-20 13:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-20 13:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-20 13:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-20 13:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-20 13:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-20 13:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-20 13:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2019-09-20 13:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-20 13:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-20 13:30:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-20 13:30:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-20 13:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2019-09-20 13:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-20 13:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2019-09-20 13:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2019-09-20 13:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-20 13:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-20 13:30:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-20 13:30:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-20 13:30:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2019-09-20 13:30:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-20 13:30:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-20 13:30:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-20 13:30:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2019-09-20 13:30:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-20 13:30:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-20 13:30:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-09-20 13:30:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-20 13:30:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-20 13:30:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-20 13:30:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-20 13:30:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-20 13:30:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-20 13:30:38,617 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-20 13:30:38,617 INFO L283 CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-20 13:30:38,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:38 BoogieIcfgContainer
[2019-09-20 13:30:38,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-20 13:30:38,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-20 13:30:38,621 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-09-20 13:30:38,625 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-09-20 13:30:38,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:36" (1/3) ...
[2019-09-20 13:30:38,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edd0635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:38, skipping insertion in model container
[2019-09-20 13:30:38,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:37" (2/3) ...
[2019-09-20 13:30:38,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edd0635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:38, skipping insertion in model container
[2019-09-20 13:30:38,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:38" (3/3) ...
[2019-09-20 13:30:38,629 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c
[2019-09-20 13:30:38,640 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-20 13:30:38,652 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-20 13:30:38,669 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-20 13:30:38,698 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2019-09-20 13:30:38,699 INFO L378 AbstractCegarLoop]: Hoare is false
[2019-09-20 13:30:38,699 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-20 13:30:38,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-20 13:30:38,699 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-20 13:30:38,699 INFO L382 AbstractCegarLoop]: Difference is false
[2019-09-20 13:30:38,700 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-20 13:30:38,700 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-20 13:30:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states.
[2019-09-20 13:30:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-09-20 13:30:38,751 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:38,752 INFO L407 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]
[2019-09-20 13:30:38,755 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:38,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:38,762 INFO L82 PathProgramCache]: Analyzing trace with hash 985009112, now seen corresponding path program 1 times
[2019-09-20 13:30:38,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:38,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:38,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:38,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:38,830 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-20 13:30:39,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:39,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-09-20 13:30:39,166 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:39,171 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-09-20 13:30:39,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-09-20 13:30:39,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-09-20 13:30:39,185 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states.
[2019-09-20 13:30:39,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:39,224 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions.
[2019-09-20 13:30:39,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-09-20 13:30:39,226 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2019-09-20 13:30:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:39,240 INFO L225 Difference]: With dead ends: 96
[2019-09-20 13:30:39,240 INFO L226 Difference]: Without dead ends: 85
[2019-09-20 13:30:39,244 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 13:30:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2019-09-20 13:30:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2019-09-20 13:30:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2019-09-20 13:30:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions.
[2019-09-20 13:30:39,293 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46
[2019-09-20 13:30:39,293 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:39,293 INFO L475 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions.
[2019-09-20 13:30:39,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-09-20 13:30:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions.
[2019-09-20 13:30:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-09-20 13:30:39,297 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:39,297 INFO L407 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]
[2019-09-20 13:30:39,297 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:39,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:39,298 INFO L82 PathProgramCache]: Analyzing trace with hash -2101459879, now seen corresponding path program 1 times
[2019-09-20 13:30:39,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:39,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:39,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:39,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:39,301 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-20 13:30:39,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:39,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-20 13:30:39,459 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:39,462 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-20 13:30:39,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-20 13:30:39,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-20 13:30:39,463 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states.
[2019-09-20 13:30:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:39,480 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions.
[2019-09-20 13:30:39,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-09-20 13:30:39,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2019-09-20 13:30:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:39,483 INFO L225 Difference]: With dead ends: 76
[2019-09-20 13:30:39,483 INFO L226 Difference]: Without dead ends: 76
[2019-09-20 13:30:39,486 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 13:30:39,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2019-09-20 13:30:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2019-09-20 13:30:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2019-09-20 13:30:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions.
[2019-09-20 13:30:39,497 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47
[2019-09-20 13:30:39,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:39,501 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions.
[2019-09-20 13:30:39,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-20 13:30:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions.
[2019-09-20 13:30:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-09-20 13:30:39,504 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:39,504 INFO L407 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]
[2019-09-20 13:30:39,504 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:39,504 INFO L82 PathProgramCache]: Analyzing trace with hash -727692587, now seen corresponding path program 1 times
[2019-09-20 13:30:39,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:39,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:39,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:39,511 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-20 13:30:39,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:39,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-09-20 13:30:39,708 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:39,708 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-20 13:30:39,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-20 13:30:39,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:30:39,709 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 7 states.
[2019-09-20 13:30:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:40,015 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions.
[2019-09-20 13:30:40,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-09-20 13:30:40,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52
[2019-09-20 13:30:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:40,017 INFO L225 Difference]: With dead ends: 76
[2019-09-20 13:30:40,018 INFO L226 Difference]: Without dead ends: 76
[2019-09-20 13:30:40,018 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 13:30:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2019-09-20 13:30:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2019-09-20 13:30:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2019-09-20 13:30:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions.
[2019-09-20 13:30:40,026 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52
[2019-09-20 13:30:40,026 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:40,026 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions.
[2019-09-20 13:30:40,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-20 13:30:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions.
[2019-09-20 13:30:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2019-09-20 13:30:40,029 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:40,029 INFO L407 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]
[2019-09-20 13:30:40,029 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:40,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1037705015, now seen corresponding path program 1 times
[2019-09-20 13:30:40,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:40,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:40,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,032 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-20 13:30:40,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:40,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-09-20 13:30:40,227 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:40,227 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-09-20 13:30:40,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-09-20 13:30:40,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2019-09-20 13:30:40,229 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 10 states.
[2019-09-20 13:30:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:40,760 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions.
[2019-09-20 13:30:40,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2019-09-20 13:30:40,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55
[2019-09-20 13:30:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:40,773 INFO L225 Difference]: With dead ends: 160
[2019-09-20 13:30:40,773 INFO L226 Difference]: Without dead ends: 160
[2019-09-20 13:30:40,778 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342
[2019-09-20 13:30:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2019-09-20 13:30:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156.
[2019-09-20 13:30:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2019-09-20 13:30:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions.
[2019-09-20 13:30:40,811 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 55
[2019-09-20 13:30:40,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:40,816 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions.
[2019-09-20 13:30:40,816 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-09-20 13:30:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions.
[2019-09-20 13:30:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2019-09-20 13:30:40,821 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:40,821 INFO L407 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]
[2019-09-20 13:30:40,821 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1822718639, now seen corresponding path program 1 times
[2019-09-20 13:30:40,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:40,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:40,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,827 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-09-20 13:30:40,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:40,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-20 13:30:40,938 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:40,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-20 13:30:40,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-20 13:30:40,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-20 13:30:40,939 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states.
[2019-09-20 13:30:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:40,948 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions.
[2019-09-20 13:30:40,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-09-20 13:30:40,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59
[2019-09-20 13:30:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:40,951 INFO L225 Difference]: With dead ends: 146
[2019-09-20 13:30:40,954 INFO L226 Difference]: Without dead ends: 146
[2019-09-20 13:30:40,955 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 13:30:40,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2019-09-20 13:30:40,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146.
[2019-09-20 13:30:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states.
[2019-09-20 13:30:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 164 transitions.
[2019-09-20 13:30:40,983 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 164 transitions. Word has length 59
[2019-09-20 13:30:40,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:40,983 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 164 transitions.
[2019-09-20 13:30:40,983 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-20 13:30:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 164 transitions.
[2019-09-20 13:30:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2019-09-20 13:30:40,986 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:30:40,986 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2019-09-20 13:30:40,986 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:30:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:30:40,987 INFO L82 PathProgramCache]: Analyzing trace with hash 337274058, now seen corresponding path program 1 times
[2019-09-20 13:30:40,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:30:40,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:30:40,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:30:40,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:30:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:30:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2019-09-20 13:30:41,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:30:41,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-20 13:30:41,092 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:30:41,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-20 13:30:41,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-20 13:30:41,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-09-20 13:30:41,094 INFO L87 Difference]: Start difference. First operand 146 states and 164 transitions. Second operand 6 states.
[2019-09-20 13:30:41,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:30:41,221 INFO L93 Difference]: Finished difference Result 145 states and 163 transitions.
[2019-09-20 13:30:41,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-09-20 13:30:41,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90
[2019-09-20 13:30:41,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:30:41,222 INFO L225 Difference]: With dead ends: 145
[2019-09-20 13:30:41,222 INFO L226 Difference]: Without dead ends: 0
[2019-09-20 13:30:41,223 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2019-09-20 13:30:41,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-09-20 13:30:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-09-20 13:30:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-09-20 13:30:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-09-20 13:30:41,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90
[2019-09-20 13:30:41,225 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:30:41,225 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-09-20 13:30:41,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-20 13:30:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-09-20 13:30:41,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-09-20 13:30:41,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:41 BoogieIcfgContainer
[2019-09-20 13:30:41,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-09-20 13:30:41,240 INFO L168 Benchmark]: Toolchain (without parser) took 4824.80 ms. Allocated memory was 138.4 MB in the beginning and 263.2 MB in the end (delta: 124.8 MB). Free memory was 85.0 MB in the beginning and 134.0 MB in the end (delta: -49.1 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,241 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.69 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 85.0 MB in the beginning and 166.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,245 INFO L168 Benchmark]: Boogie Preprocessor took 114.58 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,247 INFO L168 Benchmark]: RCFGBuilder took 1325.85 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 82.8 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,248 INFO L168 Benchmark]: TraceAbstraction took 2615.70 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 81.9 MB in the beginning and 134.0 MB in the end (delta: -52.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
[2019-09-20 13:30:41,258 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 138.4 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 760.69 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 85.0 MB in the beginning and 166.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 114.58 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1325.85 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 82.8 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2615.70 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 81.9 MB in the beginning and 134.0 MB in the end (delta: -52.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 44]: 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 35 procedures, 198 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 521 SDtfs, 296 SDslu, 969 SDs, 0 SdLazy, 332 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 40993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...