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_product46.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fea9116
[2019-09-20 13:31:30,445 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-20 13:31:30,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-20 13:31:30,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-20 13:31:30,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-20 13:31:30,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-20 13:31:30,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-20 13:31:30,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-20 13:31:30,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-20 13:31:30,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-20 13:31:30,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-09-20 13:31:30,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-20 13:31:30,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-20 13:31:30,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-20 13:31:30,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-20 13:31:30,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-20 13:31:30,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-20 13:31:30,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-20 13:31:30,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-20 13:31:30,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-20 13:31:30,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-20 13:31:30,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-20 13:31:30,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-09-20 13:31:30,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-20 13:31:30,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-20 13:31:30,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-20 13:31:30,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-20 13:31:30,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-20 13:31:30,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-20 13:31:30,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-20 13:31:30,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-20 13:31:30,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-20 13:31:30,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-20 13:31:30,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-20 13:31:30,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-20 13:31:30,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-20 13:31:30,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-20 13:31:30,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-20 13:31:30,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-20 13:31:30,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-20 13:31:30,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-09-20 13:31:30,508 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 13:31:30,529 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-20 13:31:30,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-20 13:31:30,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-20 13:31:30,529 INFO L138 SettingsManager]: * Log level for plugins=info
[2019-09-20 13:31:30,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-20 13:31:30,530 INFO L138 SettingsManager]: * User list type=DISABLED
[2019-09-20 13:31:30,531 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false
[2019-09-20 13:31:30,531 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false
[2019-09-20 13:31:30,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-20 13:31:30,531 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain
[2019-09-20 13:31:30,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-20 13:31:30,532 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-20 13:31:30,532 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-20 13:31:30,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-20 13:31:30,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-20 13:31:30,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-20 13:31:30,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-20 13:31:30,533 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-20 13:31:30,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-20 13:31:30,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-20 13:31:30,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-20 13:31:30,534 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true
[2019-09-20 13:31:30,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-20 13:31:30,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-20 13:31:30,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-20 13:31:30,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-20 13:31:30,535 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-09-20 13:31:30,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-20 13:31:30,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-20 13:31:30,536 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-09-20 13:31:30,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-20 13:31:30,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-20 13:31:30,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-20 13:31:30,605 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-20 13:31:30,606 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-20 13:31:30,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c
[2019-09-20 13:31:30,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56140b199/0d3abe9858bc4957a4237180edeea747/FLAG5c24e8f17
[2019-09-20 13:31:31,229 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-20 13:31:31,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c
[2019-09-20 13:31:31,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56140b199/0d3abe9858bc4957a4237180edeea747/FLAG5c24e8f17
[2019-09-20 13:31:31,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56140b199/0d3abe9858bc4957a4237180edeea747
[2019-09-20 13:31:31,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-20 13:31:31,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-20 13:31:31,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-20 13:31:31,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-20 13:31:31,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-20 13:31:31,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:31" (1/1) ...
[2019-09-20 13:31:31,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9603a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:31, skipping insertion in model container
[2019-09-20 13:31:31,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:31" (1/1) ...
[2019-09-20 13:31:31,518 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-20 13:31:31,582 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-20 13:31:32,001 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:31:32,025 INFO L188 MainTranslator]: Completed pre-run
[2019-09-20 13:31:32,143 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-20 13:31:32,183 INFO L192 MainTranslator]: Completed translation
[2019-09-20 13:31:32,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32 WrapperNode
[2019-09-20 13:31:32,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-20 13:31:32,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-20 13:31:32,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-20 13:31:32,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-20 13:31:32,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (1/1) ...
[2019-09-20 13:31:32,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-20 13:31:32,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-20 13:31:32,287 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-20 13:31:32,287 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-20 13:31:32,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (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 13:31:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-20 13:31:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-20 13:31:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-20 13:31:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2019-09-20 13:31:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-20 13:31:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-20 13:31:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-20 13:31:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-20 13:31:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:31:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-20 13:31:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-20 13:31:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-20 13:31:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-20 13:31:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-20 13:31:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-20 13:31:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-09-20 13:31:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2019-09-20 13:31:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-20 13:31:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2019-09-20 13:31:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-20 13:31:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-20 13:31:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-20 13:31:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-20 13:31:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-20 13:31:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-09-20 13:31:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2019-09-20 13:31:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2019-09-20 13:31:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-20 13:31:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-20 13:31:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2019-09-20 13:31:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-20 13:31:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-20 13:31:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-20 13:31:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2019-09-20 13:31:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2019-09-20 13:31:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-20 13:31:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-20 13:31:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-20 13:31:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-20 13:31:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-20 13:31:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-20 13:31:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2019-09-20 13:31:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-20 13:31:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2019-09-20 13:31:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-20 13:31:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-20 13:31:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-20 13:31:33,509 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-20 13:31:33,509 INFO L283 CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-20 13:31:33,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:33 BoogieIcfgContainer
[2019-09-20 13:31:33,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-20 13:31:33,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-09-20 13:31:33,513 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-09-20 13:31:33,517 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-09-20 13:31:33,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:31" (1/3) ...
[2019-09-20 13:31:33,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1461194e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:33, skipping insertion in model container
[2019-09-20 13:31:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:32" (2/3) ...
[2019-09-20 13:31:33,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1461194e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:33, skipping insertion in model container
[2019-09-20 13:31:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:33" (3/3) ...
[2019-09-20 13:31:33,523 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c
[2019-09-20 13:31:33,533 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-09-20 13:31:33,545 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-09-20 13:31:33,562 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-09-20 13:31:33,589 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2019-09-20 13:31:33,589 INFO L378 AbstractCegarLoop]: Hoare is false
[2019-09-20 13:31:33,589 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-09-20 13:31:33,590 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-09-20 13:31:33,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-09-20 13:31:33,590 INFO L382 AbstractCegarLoop]: Difference is false
[2019-09-20 13:31:33,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-09-20 13:31:33,591 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-09-20 13:31:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states.
[2019-09-20 13:31:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2019-09-20 13:31:33,626 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:33,627 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 13:31:33,629 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:33,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:33,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1347369271, now seen corresponding path program 1 times
[2019-09-20 13:31:33,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:33,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:33,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:33,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:33,693 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:33,962 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 13:31:33,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:33,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-09-20 13:31:33,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:33,977 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-09-20 13:31:33,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-09-20 13:31:33,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-09-20 13:31:33,991 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states.
[2019-09-20 13:31:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:34,019 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions.
[2019-09-20 13:31:34,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-09-20 13:31:34,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2019-09-20 13:31:34,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:34,033 INFO L225 Difference]: With dead ends: 158
[2019-09-20 13:31:34,034 INFO L226 Difference]: Without dead ends: 147
[2019-09-20 13:31:34,036 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 13:31:34,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2019-09-20 13:31:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2019-09-20 13:31:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states.
[2019-09-20 13:31:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions.
[2019-09-20 13:31:34,093 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59
[2019-09-20 13:31:34,093 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:34,093 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions.
[2019-09-20 13:31:34,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-09-20 13:31:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions.
[2019-09-20 13:31:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2019-09-20 13:31:34,098 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:34,098 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 13:31:34,099 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:34,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:34,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1814034675, now seen corresponding path program 1 times
[2019-09-20 13:31:34,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:34,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:34,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,103 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:34,231 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 13:31:34,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:34,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-09-20 13:31:34,231 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:34,233 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-09-20 13:31:34,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-09-20 13:31:34,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-09-20 13:31:34,234 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 3 states.
[2019-09-20 13:31:34,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:34,252 INFO L93 Difference]: Finished difference Result 138 states and 160 transitions.
[2019-09-20 13:31:34,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-09-20 13:31:34,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2019-09-20 13:31:34,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:34,255 INFO L225 Difference]: With dead ends: 138
[2019-09-20 13:31:34,256 INFO L226 Difference]: Without dead ends: 138
[2019-09-20 13:31:34,257 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 13:31:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2019-09-20 13:31:34,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138.
[2019-09-20 13:31:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states.
[2019-09-20 13:31:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions.
[2019-09-20 13:31:34,272 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60
[2019-09-20 13:31:34,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:34,272 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions.
[2019-09-20 13:31:34,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-09-20 13:31:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions.
[2019-09-20 13:31:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2019-09-20 13:31:34,276 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:34,276 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 13:31:34,276 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:34,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1518926539, now seen corresponding path program 1 times
[2019-09-20 13:31:34,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:34,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:34,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,281 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:34,477 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 13:31:34,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:34,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-09-20 13:31:34,479 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:34,481 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-20 13:31:34,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-20 13:31:34,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:31:34,482 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 7 states.
[2019-09-20 13:31:34,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:34,907 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions.
[2019-09-20 13:31:34,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-09-20 13:31:34,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65
[2019-09-20 13:31:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:34,910 INFO L225 Difference]: With dead ends: 138
[2019-09-20 13:31:34,911 INFO L226 Difference]: Without dead ends: 138
[2019-09-20 13:31:34,911 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 13:31:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2019-09-20 13:31:34,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138.
[2019-09-20 13:31:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states.
[2019-09-20 13:31:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions.
[2019-09-20 13:31:34,925 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65
[2019-09-20 13:31:34,929 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:34,929 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions.
[2019-09-20 13:31:34,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-20 13:31:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions.
[2019-09-20 13:31:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2019-09-20 13:31:34,936 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:34,936 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-09-20 13:31:34,938 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:34,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:34,939 INFO L82 PathProgramCache]: Analyzing trace with hash 793046871, now seen corresponding path program 1 times
[2019-09-20 13:31:34,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:34,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:34,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:34,945 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:35,168 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 13:31:35,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:35,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-09-20 13:31:35,169 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:35,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-09-20 13:31:35,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-09-20 13:31:35,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-09-20 13:31:35,171 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states.
[2019-09-20 13:31:35,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:35,767 INFO L93 Difference]: Finished difference Result 254 states and 293 transitions.
[2019-09-20 13:31:35,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2019-09-20 13:31:35,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78
[2019-09-20 13:31:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:35,775 INFO L225 Difference]: With dead ends: 254
[2019-09-20 13:31:35,776 INFO L226 Difference]: Without dead ends: 254
[2019-09-20 13:31:35,776 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2019-09-20 13:31:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2019-09-20 13:31:35,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235.
[2019-09-20 13:31:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states.
[2019-09-20 13:31:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions.
[2019-09-20 13:31:35,817 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 78
[2019-09-20 13:31:35,817 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:35,817 INFO L475 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions.
[2019-09-20 13:31:35,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-09-20 13:31:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions.
[2019-09-20 13:31:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2019-09-20 13:31:35,823 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:35,823 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, 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 13:31:35,824 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:35,827 INFO L82 PathProgramCache]: Analyzing trace with hash -856462191, now seen corresponding path program 1 times
[2019-09-20 13:31:35,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:35,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:35,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:35,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:35,831 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:35,962 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 13:31:35,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:35,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-09-20 13:31:35,963 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:35,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-09-20 13:31:35,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-09-20 13:31:35,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:31:35,964 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 7 states.
[2019-09-20 13:31:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:36,705 INFO L93 Difference]: Finished difference Result 253 states and 293 transitions.
[2019-09-20 13:31:36,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2019-09-20 13:31:36,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92
[2019-09-20 13:31:36,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:36,710 INFO L225 Difference]: With dead ends: 253
[2019-09-20 13:31:36,710 INFO L226 Difference]: Without dead ends: 253
[2019-09-20 13:31:36,710 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2019-09-20 13:31:36,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states.
[2019-09-20 13:31:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234.
[2019-09-20 13:31:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states.
[2019-09-20 13:31:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 264 transitions.
[2019-09-20 13:31:36,726 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 264 transitions. Word has length 92
[2019-09-20 13:31:36,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:36,727 INFO L475 AbstractCegarLoop]: Abstraction has 234 states and 264 transitions.
[2019-09-20 13:31:36,727 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-09-20 13:31:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions.
[2019-09-20 13:31:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2019-09-20 13:31:36,729 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:36,729 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:36,730 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -357754488, now seen corresponding path program 1 times
[2019-09-20 13:31:36,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:36,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:36,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:36,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:36,734 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:36,803 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 13:31:36,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:36,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-09-20 13:31:36,803 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:36,804 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-09-20 13:31:36,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-09-20 13:31:36,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-09-20 13:31:36,805 INFO L87 Difference]: Start difference. First operand 234 states and 264 transitions. Second operand 6 states.
[2019-09-20 13:31:36,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:36,846 INFO L93 Difference]: Finished difference Result 241 states and 271 transitions.
[2019-09-20 13:31:36,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-09-20 13:31:36,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108
[2019-09-20 13:31:36,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:36,851 INFO L225 Difference]: With dead ends: 241
[2019-09-20 13:31:36,852 INFO L226 Difference]: Without dead ends: 241
[2019-09-20 13:31:36,852 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-09-20 13:31:36,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2019-09-20 13:31:36,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239.
[2019-09-20 13:31:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states.
[2019-09-20 13:31:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions.
[2019-09-20 13:31:36,882 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 108
[2019-09-20 13:31:36,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:36,882 INFO L475 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions.
[2019-09-20 13:31:36,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-09-20 13:31:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions.
[2019-09-20 13:31:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2019-09-20 13:31:36,893 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:36,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:36,894 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:36,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1570518214, now seen corresponding path program 1 times
[2019-09-20 13:31:36,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:36,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:36,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:36,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:36,900 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:37,047 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 13:31:37,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:37,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-09-20 13:31:37,048 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:37,050 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-09-20 13:31:37,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-09-20 13:31:37,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-09-20 13:31:37,051 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 8 states.
[2019-09-20 13:31:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:37,083 INFO L93 Difference]: Finished difference Result 246 states and 276 transitions.
[2019-09-20 13:31:37,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-09-20 13:31:37,085 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108
[2019-09-20 13:31:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:37,090 INFO L225 Difference]: With dead ends: 246
[2019-09-20 13:31:37,090 INFO L226 Difference]: Without dead ends: 246
[2019-09-20 13:31:37,091 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-09-20 13:31:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states.
[2019-09-20 13:31:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243.
[2019-09-20 13:31:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states.
[2019-09-20 13:31:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 273 transitions.
[2019-09-20 13:31:37,107 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 273 transitions. Word has length 108
[2019-09-20 13:31:37,108 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:37,108 INFO L475 AbstractCegarLoop]: Abstraction has 243 states and 273 transitions.
[2019-09-20 13:31:37,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-09-20 13:31:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 273 transitions.
[2019-09-20 13:31:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2019-09-20 13:31:37,111 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:37,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:37,112 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:37,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:37,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1329978085, now seen corresponding path program 1 times
[2019-09-20 13:31:37,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:37,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:37,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:37,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:37,115 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:37,226 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 13:31:37,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:37,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-09-20 13:31:37,227 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:37,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-09-20 13:31:37,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-09-20 13:31:37,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-09-20 13:31:37,235 INFO L87 Difference]: Start difference. First operand 243 states and 273 transitions. Second operand 4 states.
[2019-09-20 13:31:37,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:37,474 INFO L93 Difference]: Finished difference Result 480 states and 561 transitions.
[2019-09-20 13:31:37,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2019-09-20 13:31:37,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108
[2019-09-20 13:31:37,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:37,479 INFO L225 Difference]: With dead ends: 480
[2019-09-20 13:31:37,480 INFO L226 Difference]: Without dead ends: 480
[2019-09-20 13:31:37,480 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-09-20 13:31:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states.
[2019-09-20 13:31:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 471.
[2019-09-20 13:31:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states.
[2019-09-20 13:31:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 544 transitions.
[2019-09-20 13:31:37,515 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 544 transitions. Word has length 108
[2019-09-20 13:31:37,517 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:37,517 INFO L475 AbstractCegarLoop]: Abstraction has 471 states and 544 transitions.
[2019-09-20 13:31:37,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-09-20 13:31:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 544 transitions.
[2019-09-20 13:31:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2019-09-20 13:31:37,519 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:37,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:37,520 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:37,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:37,520 INFO L82 PathProgramCache]: Analyzing trace with hash 825673247, now seen corresponding path program 1 times
[2019-09-20 13:31:37,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:37,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:37,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:37,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:37,523 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:37,758 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 13:31:37,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-09-20 13:31:37,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-09-20 13:31:37,759 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:37,759 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-09-20 13:31:37,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-09-20 13:31:37,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-09-20 13:31:37,760 INFO L87 Difference]: Start difference. First operand 471 states and 544 transitions. Second operand 9 states.
[2019-09-20 13:31:38,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:38,979 INFO L93 Difference]: Finished difference Result 873 states and 1010 transitions.
[2019-09-20 13:31:38,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2019-09-20 13:31:38,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112
[2019-09-20 13:31:38,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:38,987 INFO L225 Difference]: With dead ends: 873
[2019-09-20 13:31:38,987 INFO L226 Difference]: Without dead ends: 873
[2019-09-20 13:31:38,988 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342
[2019-09-20 13:31:38,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states.
[2019-09-20 13:31:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 792.
[2019-09-20 13:31:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states.
[2019-09-20 13:31:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 904 transitions.
[2019-09-20 13:31:39,020 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 904 transitions. Word has length 112
[2019-09-20 13:31:39,020 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:39,020 INFO L475 AbstractCegarLoop]: Abstraction has 792 states and 904 transitions.
[2019-09-20 13:31:39,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-09-20 13:31:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 904 transitions.
[2019-09-20 13:31:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2019-09-20 13:31:39,024 INFO L399 BasicCegarLoop]: Found error trace
[2019-09-20 13:31:39,024 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:39,024 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-09-20 13:31:39,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:39,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1258980138, now seen corresponding path program 1 times
[2019-09-20 13:31:39,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy
[2019-09-20 13:31:39,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:39,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-09-20 13:31:39,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-09-20 13:31:39,027 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2019-09-20 13:31:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-09-20 13:31:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2019-09-20 13:31:39,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2019-09-20 13:31:39,169 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION
[2019-09-20 13:31:39,170 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions:
[2019-09-20 13:31:39,172 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [164], [167], [186], [188], [193], [196], [197], [198], [199], [201], [206], [208], [209], [213], [216], [220], [226], [253], [254], [257], [261], [266], [270], [271], [274], [275], [276], [278], [279], [280], [282], [285], [287], [290], [293], [302], [304], [305], [308], [310], [313], [320], [323], [324], [325], [349], [351], [352], [370], [371], [421], [422], [432], [440], [441], [442], [443], [444], [445], [446], [447], [448], [480], [481], [484], [485], [486], [487], [488], [489], [494], [495], [498], [499], [500], [501], [502], [503], [504], [505], [506], [507], [508], [509], [510], [511], [516], [517], [518], [519], [520], [521], [522], [524], [525], [526], [527], [530], [531], [534], [535], [536], [538], [539], [544], [545], [546]
[2019-09-20 13:31:39,219 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-09-20 13:31:39,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-09-20 13:31:39,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-09-20 13:31:39,320 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables.
[2019-09-20 13:31:39,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-09-20 13:31:39,325 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates
[2019-09-20 13:31:39,433 INFO L219 lantSequenceWeakener]: Could never weaken!
[2019-09-20 13:31:39,433 INFO L418 sIntCurrentIteration]: Unifying AI predicates
[2019-09-20 13:31:39,439 INFO L420 sIntCurrentIteration]: We unified 171 AI predicates to 171
[2019-09-20 13:31:39,440 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-09-20 13:31:39,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-09-20 13:31:39,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11
[2019-09-20 13:31:39,443 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence
[2019-09-20 13:31:39,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-09-20 13:31:39,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-09-20 13:31:39,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-09-20 13:31:39,444 INFO L87 Difference]: Start difference. First operand 792 states and 904 transitions. Second operand 2 states.
[2019-09-20 13:31:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-09-20 13:31:39,444 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions.
[2019-09-20 13:31:39,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-09-20 13:31:39,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172
[2019-09-20 13:31:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-09-20 13:31:39,446 INFO L225 Difference]: With dead ends: 2
[2019-09-20 13:31:39,446 INFO L226 Difference]: Without dead ends: 0
[2019-09-20 13:31:39,447 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 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 13:31:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-09-20 13:31:39,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-09-20 13:31:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-09-20 13:31:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-09-20 13:31:39,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172
[2019-09-20 13:31:39,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-09-20 13:31:39,449 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-09-20 13:31:39,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-09-20 13:31:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-09-20 13:31:39,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-09-20 13:31:39,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:39 BoogieIcfgContainer
[2019-09-20 13:31:39,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-09-20 13:31:39,458 INFO L168 Benchmark]: Toolchain (without parser) took 7954.83 ms. Allocated memory was 134.7 MB in the beginning and 322.4 MB in the end (delta: 187.7 MB). Free memory was 87.0 MB in the beginning and 150.1 MB in the end (delta: -63.1 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,459 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 134.7 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.95 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 86.8 MB in the beginning and 163.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,462 INFO L168 Benchmark]: Boogie Preprocessor took 102.68 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,469 INFO L168 Benchmark]: RCFGBuilder took 1224.99 ms. Allocated memory was 198.7 MB in the beginning and 223.9 MB in the end (delta: 25.2 MB). Free memory was 158.9 MB in the beginning and 187.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,470 INFO L168 Benchmark]: TraceAbstraction took 5941.93 ms. Allocated memory was 223.9 MB in the beginning and 322.4 MB in the end (delta: 98.6 MB). Free memory was 187.5 MB in the beginning and 150.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB.
[2019-09-20 13:31:39,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 134.7 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 678.95 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 86.8 MB in the beginning and 163.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 102.68 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1224.99 ms. Allocated memory was 198.7 MB in the beginning and 223.9 MB in the end (delta: 25.2 MB). Free memory was 158.9 MB in the beginning and 187.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5941.93 ms. Allocated memory was 223.9 MB in the beginning and 322.4 MB in the end (delta: 98.6 MB). Free memory was 187.5 MB in the beginning and 150.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 700]: 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 42 procedures, 246 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1620 SDtfs, 1264 SDslu, 3183 SDs, 0 SdLazy, 1860 SolverSat, 501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=792occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8128654970760234 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 133 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 165199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 71/78 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...