/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 10:42:55,373 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 10:42:55,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 10:42:55,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 10:42:55,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 10:42:55,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 10:42:55,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 10:42:55,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 10:42:55,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 10:42:55,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 10:42:55,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 10:42:55,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 10:42:55,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 10:42:55,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 10:42:55,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 10:42:55,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 10:42:55,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 10:42:55,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 10:42:55,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 10:42:55,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 10:42:55,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 10:42:55,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 10:42:55,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 10:42:55,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 10:42:55,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 10:42:55,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 10:42:55,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 10:42:55,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 10:42:55,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 10:42:55,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 10:42:55,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 10:42:55,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 10:42:55,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 10:42:55,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 10:42:55,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 10:42:55,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 10:42:55,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 10:42:55,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 10:42:55,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 10:42:55,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 10:42:55,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 10:42:55,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 10:42:55,486 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 10:42:55,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 10:42:55,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 10:42:55,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 10:42:55,493 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 10:42:55,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 10:42:55,496 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 10:42:55,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 10:42:55,497 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 10:42:55,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 10:42:55,498 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 10:42:55,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 10:42:55,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 10:42:55,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 10:42:55,498 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 10:42:55,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 10:42:55,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 10:42:55,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 10:42:55,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 10:42:55,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-20 10:42:55,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 10:42:55,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 10:42:55,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 10:42:55,769 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 10:42:55,769 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 10:42:55,770 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c
[2020-07-20 10:42:55,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f4fe68e/55e7ed64e4b44270ba3bc5399dca0da0/FLAGe45a3d36b
[2020-07-20 10:42:56,342 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 10:42:56,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c
[2020-07-20 10:42:56,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f4fe68e/55e7ed64e4b44270ba3bc5399dca0da0/FLAGe45a3d36b
[2020-07-20 10:42:56,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f4fe68e/55e7ed64e4b44270ba3bc5399dca0da0
[2020-07-20 10:42:56,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 10:42:56,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 10:42:56,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 10:42:56,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 10:42:56,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 10:42:56,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:56" (1/1) ...
[2020-07-20 10:42:56,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2a86ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:56, skipping insertion in model container
[2020-07-20 10:42:56,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:56" (1/1) ...
[2020-07-20 10:42:56,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 10:42:56,772 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 10:42:57,199 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:42:57,219 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 10:42:57,339 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:42:57,376 INFO L208 MainTranslator]: Completed translation
[2020-07-20 10:42:57,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57 WrapperNode
[2020-07-20 10:42:57,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 10:42:57,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 10:42:57,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 10:42:57,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 10:42:57,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
[2020-07-20 10:42:57,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 10:42:57,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 10:42:57,465 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 10:42:57,466 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 10:42:57,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 10:42:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 10:42:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 10:42:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 10:42:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 10:42:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 10:42:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 10:42:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 10:42:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 10:42:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 10:42:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 10:42:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 10:42:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 10:42:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 10:42:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 10:42:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 10:42:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 10:42:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 10:42:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 10:42:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 10:42:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 10:42:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 10:42:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 10:42:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 10:42:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 10:42:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 10:42:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 10:42:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 10:42:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 10:42:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 10:42:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 10:42:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 10:42:58,534 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 10:42:58,534 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 10:42:58,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:58 BoogieIcfgContainer
[2020-07-20 10:42:58,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 10:42:58,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 10:42:58,541 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 10:42:58,544 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 10:42:58,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:56" (1/3) ...
[2020-07-20 10:42:58,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2946d6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:58, skipping insertion in model container
[2020-07-20 10:42:58,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:57" (2/3) ...
[2020-07-20 10:42:58,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2946d6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:58, skipping insertion in model container
[2020-07-20 10:42:58,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:58" (3/3) ...
[2020-07-20 10:42:58,547 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38.cil.c
[2020-07-20 10:42:58,557 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 10:42:58,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 10:42:58,578 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 10:42:58,602 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 10:42:58,603 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 10:42:58,603 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 10:42:58,603 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 10:42:58,603 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 10:42:58,603 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 10:42:58,604 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 10:42:58,604 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 10:42:58,626 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states.
[2020-07-20 10:42:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-20 10:42:58,634 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:58,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:42:58,636 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:58,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1463974042, now seen corresponding path program 1 times
[2020-07-20 10:42:58,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:58,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107053287]
[2020-07-20 10:42:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:58,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 10:42:58,897 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:42:58,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:58,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107053287]
[2020-07-20 10:42:58,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:58,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 10:42:58,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039545484]
[2020-07-20 10:42:58,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 10:42:58,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:58,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 10:42:58,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 10:42:58,954 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states.
[2020-07-20 10:42:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:58,998 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions.
[2020-07-20 10:42:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 10:42:59,002 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2020-07-20 10:42:59,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:59,015 INFO L225 Difference]: With dead ends: 260
[2020-07-20 10:42:59,015 INFO L226 Difference]: Without dead ends: 130
[2020-07-20 10:42:59,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 10:42:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-07-20 10:42:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2020-07-20 10:42:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 10:42:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions.
[2020-07-20 10:42:59,075 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46
[2020-07-20 10:42:59,075 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:59,076 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions.
[2020-07-20 10:42:59,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 10:42:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions.
[2020-07-20 10:42:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-20 10:42:59,079 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:59,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:42:59,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:59,295 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:59,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:59,295 INFO L82 PathProgramCache]: Analyzing trace with hash 842471544, now seen corresponding path program 1 times
[2020-07-20 10:42:59,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:59,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948241116]
[2020-07-20 10:42:59,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:59,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 10:42:59,520 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:42:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:42:59,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:42:59,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948241116]
[2020-07-20 10:42:59,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:42:59,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 10:42:59,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905257981]
[2020-07-20 10:42:59,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 10:42:59,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:42:59,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 10:42:59,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:59,564 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states.
[2020-07-20 10:42:59,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:42:59,585 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions.
[2020-07-20 10:42:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 10:42:59,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-07-20 10:42:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:42:59,587 INFO L225 Difference]: With dead ends: 205
[2020-07-20 10:42:59,587 INFO L226 Difference]: Without dead ends: 121
[2020-07-20 10:42:59,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:42:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-20 10:42:59,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2020-07-20 10:42:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-07-20 10:42:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions.
[2020-07-20 10:42:59,602 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47
[2020-07-20 10:42:59,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:42:59,602 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions.
[2020-07-20 10:42:59,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 10:42:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions.
[2020-07-20 10:42:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 10:42:59,604 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:42:59,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:42:59,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:59,818 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:42:59,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:42:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1913748360, now seen corresponding path program 1 times
[2020-07-20 10:42:59,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:42:59,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642488773]
[2020-07-20 10:42:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:42:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:42:59,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 10:43:00,002 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:43:00,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:00,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642488773]
[2020-07-20 10:43:00,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:00,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 10:43:00,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235631682]
[2020-07-20 10:43:00,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 10:43:00,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:00,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 10:43:00,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:43:00,024 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 3 states.
[2020-07-20 10:43:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:00,043 INFO L93 Difference]: Finished difference Result 218 states and 255 transitions.
[2020-07-20 10:43:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 10:43:00,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 10:43:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:00,046 INFO L225 Difference]: With dead ends: 218
[2020-07-20 10:43:00,046 INFO L226 Difference]: Without dead ends: 121
[2020-07-20 10:43:00,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 10:43:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-20 10:43:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2020-07-20 10:43:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-07-20 10:43:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions.
[2020-07-20 10:43:00,059 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52
[2020-07-20 10:43:00,060 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:00,060 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions.
[2020-07-20 10:43:00,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 10:43:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions.
[2020-07-20 10:43:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 10:43:00,062 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:00,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:00,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:00,277 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:00,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:00,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1607213040, now seen corresponding path program 1 times
[2020-07-20 10:43:00,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:00,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000826693]
[2020-07-20 10:43:00,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:00,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 10:43:00,490 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:43:00,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:00,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000826693]
[2020-07-20 10:43:00,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:00,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 10:43:00,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632547686]
[2020-07-20 10:43:00,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 10:43:00,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:00,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 10:43:00,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 10:43:00,544 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states.
[2020-07-20 10:43:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:00,811 INFO L93 Difference]: Finished difference Result 304 states and 368 transitions.
[2020-07-20 10:43:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 10:43:00,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2020-07-20 10:43:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:00,815 INFO L225 Difference]: With dead ends: 304
[2020-07-20 10:43:00,816 INFO L226 Difference]: Without dead ends: 207
[2020-07-20 10:43:00,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 10:43:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2020-07-20 10:43:00,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207.
[2020-07-20 10:43:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states.
[2020-07-20 10:43:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 248 transitions.
[2020-07-20 10:43:00,841 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 248 transitions. Word has length 65
[2020-07-20 10:43:00,841 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:00,841 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 248 transitions.
[2020-07-20 10:43:00,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 10:43:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions.
[2020-07-20 10:43:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-07-20 10:43:00,844 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:00,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:01,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:01,060 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:01,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:01,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2121118102, now seen corresponding path program 1 times
[2020-07-20 10:43:01,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:01,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145426537]
[2020-07-20 10:43:01,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:01,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-20 10:43:01,237 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:43:01,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:01,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145426537]
[2020-07-20 10:43:01,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:01,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-07-20 10:43:01,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933007452]
[2020-07-20 10:43:01,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 10:43:01,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:01,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 10:43:01,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-07-20 10:43:01,279 INFO L87 Difference]: Start difference. First operand 207 states and 248 transitions. Second operand 7 states.
[2020-07-20 10:43:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:01,914 INFO L93 Difference]: Finished difference Result 494 states and 638 transitions.
[2020-07-20 10:43:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-07-20 10:43:01,915 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69
[2020-07-20 10:43:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:01,919 INFO L225 Difference]: With dead ends: 494
[2020-07-20 10:43:01,919 INFO L226 Difference]: Without dead ends: 311
[2020-07-20 10:43:01,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2020-07-20 10:43:01,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states.
[2020-07-20 10:43:01,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294.
[2020-07-20 10:43:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 10:43:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 363 transitions.
[2020-07-20 10:43:01,951 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 363 transitions. Word has length 69
[2020-07-20 10:43:01,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:01,952 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 363 transitions.
[2020-07-20 10:43:01,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 10:43:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 363 transitions.
[2020-07-20 10:43:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2020-07-20 10:43:01,955 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:01,955 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:02,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:02,169 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:02,170 INFO L82 PathProgramCache]: Analyzing trace with hash 692927243, now seen corresponding path program 1 times
[2020-07-20 10:43:02,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:02,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752110901]
[2020-07-20 10:43:02,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:02,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 10:43:02,338 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2020-07-20 10:43:02,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:02,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752110901]
[2020-07-20 10:43:02,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:02,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 10:43:02,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816415047]
[2020-07-20 10:43:02,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 10:43:02,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:02,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 10:43:02,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 10:43:02,377 INFO L87 Difference]: Start difference. First operand 294 states and 363 transitions. Second operand 6 states.
[2020-07-20 10:43:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:02,441 INFO L93 Difference]: Finished difference Result 574 states and 732 transitions.
[2020-07-20 10:43:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 10:43:02,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132
[2020-07-20 10:43:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:02,445 INFO L225 Difference]: With dead ends: 574
[2020-07-20 10:43:02,445 INFO L226 Difference]: Without dead ends: 304
[2020-07-20 10:43:02,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-20 10:43:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states.
[2020-07-20 10:43:02,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304.
[2020-07-20 10:43:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states.
[2020-07-20 10:43:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 374 transitions.
[2020-07-20 10:43:02,473 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 374 transitions. Word has length 132
[2020-07-20 10:43:02,473 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:02,473 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 374 transitions.
[2020-07-20 10:43:02,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 10:43:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 374 transitions.
[2020-07-20 10:43:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2020-07-20 10:43:02,476 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:02,476 INFO L422 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, 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]
[2020-07-20 10:43:02,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:02,692 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:02,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:02,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2139034188, now seen corresponding path program 1 times
[2020-07-20 10:43:02,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:02,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440005044]
[2020-07-20 10:43:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:02,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 10:43:02,875 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2020-07-20 10:43:02,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:02,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440005044]
[2020-07-20 10:43:02,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:02,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 10:43:02,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649908209]
[2020-07-20 10:43:02,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 10:43:02,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:02,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 10:43:02,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 10:43:02,926 INFO L87 Difference]: Start difference. First operand 304 states and 374 transitions. Second operand 5 states.
[2020-07-20 10:43:02,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:02,964 INFO L93 Difference]: Finished difference Result 575 states and 734 transitions.
[2020-07-20 10:43:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-20 10:43:02,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136
[2020-07-20 10:43:02,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:02,969 INFO L225 Difference]: With dead ends: 575
[2020-07-20 10:43:02,969 INFO L226 Difference]: Without dead ends: 295
[2020-07-20 10:43:02,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 10:43:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2020-07-20 10:43:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295.
[2020-07-20 10:43:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states.
[2020-07-20 10:43:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions.
[2020-07-20 10:43:03,013 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 136
[2020-07-20 10:43:03,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:03,014 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions.
[2020-07-20 10:43:03,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 10:43:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions.
[2020-07-20 10:43:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2020-07-20 10:43:03,016 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:03,016 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:03,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:03,228 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:03,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:03,229 INFO L82 PathProgramCache]: Analyzing trace with hash -867085848, now seen corresponding path program 1 times
[2020-07-20 10:43:03,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:03,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140832679]
[2020-07-20 10:43:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:03,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 10:43:03,400 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:43:03,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 10:43:03,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140832679]
[2020-07-20 10:43:03,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 10:43:03,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 10:43:03,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110027919]
[2020-07-20 10:43:03,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 10:43:03,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:03,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 10:43:03,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 10:43:03,488 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand 6 states.
[2020-07-20 10:43:04,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:04,300 INFO L93 Difference]: Finished difference Result 790 states and 1023 transitions.
[2020-07-20 10:43:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 10:43:04,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132
[2020-07-20 10:43:04,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:04,305 INFO L225 Difference]: With dead ends: 790
[2020-07-20 10:43:04,305 INFO L226 Difference]: Without dead ends: 519
[2020-07-20 10:43:04,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 10:43:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states.
[2020-07-20 10:43:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 503.
[2020-07-20 10:43:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states.
[2020-07-20 10:43:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 618 transitions.
[2020-07-20 10:43:04,351 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 618 transitions. Word has length 132
[2020-07-20 10:43:04,353 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:04,353 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 618 transitions.
[2020-07-20 10:43:04,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 10:43:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 618 transitions.
[2020-07-20 10:43:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2020-07-20 10:43:04,357 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:04,358 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:04,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:04,572 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:04,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:04,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1647665506, now seen corresponding path program 1 times
[2020-07-20 10:43:04,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:04,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982595590]
[2020-07-20 10:43:04,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 10:43:04,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 10:43:04,773 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 10:43:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 10:43:04,838 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 10:43:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-20 10:43:05,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982595590]
[2020-07-20 10:43:05,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 10:43:05,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12
[2020-07-20 10:43:05,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121379716]
[2020-07-20 10:43:05,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-07-20 10:43:05,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 10:43:05,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-07-20 10:43:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2020-07-20 10:43:05,175 INFO L87 Difference]: Start difference. First operand 503 states and 618 transitions. Second operand 12 states.
[2020-07-20 10:43:06,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 10:43:06,760 INFO L93 Difference]: Finished difference Result 1333 states and 1798 transitions.
[2020-07-20 10:43:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2020-07-20 10:43:06,761 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136
[2020-07-20 10:43:06,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 10:43:06,771 INFO L225 Difference]: With dead ends: 1333
[2020-07-20 10:43:06,771 INFO L226 Difference]: Without dead ends: 854
[2020-07-20 10:43:06,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 260 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506
[2020-07-20 10:43:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states.
[2020-07-20 10:43:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 676.
[2020-07-20 10:43:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states.
[2020-07-20 10:43:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 834 transitions.
[2020-07-20 10:43:06,823 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 834 transitions. Word has length 136
[2020-07-20 10:43:06,824 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 10:43:06,824 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 834 transitions.
[2020-07-20 10:43:06,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-07-20 10:43:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 834 transitions.
[2020-07-20 10:43:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2020-07-20 10:43:06,828 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:43:06,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 10:43:07,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:07,042 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:43:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:43:07,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1788025149, now seen corresponding path program 2 times
[2020-07-20 10:43:07,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:43:07,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466137553]
[2020-07-20 10:43:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:43:07,271 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:43:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:43:07,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:43:07,716 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 10:43:07,716 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 10:43:07,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:43:08,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:43:08 BoogieIcfgContainer
[2020-07-20 10:43:08,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 10:43:08,202 INFO L168 Benchmark]: Toolchain (without parser) took 11508.88 ms. Allocated memory was 147.8 MB in the beginning and 343.4 MB in the end (delta: 195.6 MB). Free memory was 103.4 MB in the beginning and 224.3 MB in the end (delta: -121.0 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,206 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 147.8 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.11 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 173.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,208 INFO L168 Benchmark]: Boogie Preprocessor took 87.87 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,208 INFO L168 Benchmark]: RCFGBuilder took 1074.30 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 169.3 MB in the beginning and 193.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,214 INFO L168 Benchmark]: TraceAbstraction took 9659.04 ms. Allocated memory was 234.9 MB in the beginning and 343.4 MB in the end (delta: 108.5 MB). Free memory was 193.5 MB in the beginning and 224.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB.
[2020-07-20 10:43:08,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14 ms. Allocated memory is still 147.8 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 682.11 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 173.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 87.87 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 169.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1074.30 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 169.3 MB in the beginning and 193.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 9659.04 ms. Allocated memory was 234.9 MB in the beginning and 343.4 MB in the end (delta: 108.5 MB). Free memory was 193.5 MB in the beginning and 224.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L40] int cleanupTimeShifts = 4;
[L149] int waterLevel = 1;
[L150] int methaneLevelCritical = 0;
[L349] int pumpRunning = 0;
[L350] int systemActive = 1;
[L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=54, \old(head)=91, \old(head)=27, \old(methaneLevelCritical)=78, \old(pumpRunning)=55, \old(systemActive)=96, \old(waterLevel)=33, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L121] int retValue_acc ;
[L122] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L126] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L127] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L128] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L927] int retValue_acc ;
[L930] retValue_acc = 1
[L931] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L128] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L128] tmp = valid_product()
[L130] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L132] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L133] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L112] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L281] int splverifierCounter ;
[L282] int tmp ;
[L283] int tmp___0 ;
[L284] int tmp___1 ;
[L285] int tmp___2 ;
[L288] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L290] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L292] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L298] tmp = __VERIFIER_nondet_int()
[L300] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L302] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L167] COND TRUE waterLevel < 2
[L168] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L302] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L308] tmp___0 = __VERIFIER_nondet_int()
[L310] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L318] tmp___2 = __VERIFIER_nondet_int()
[L320] COND FALSE !(\read(tmp___2))
[L326] tmp___1 = __VERIFIER_nondet_int()
[L328] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L335] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L356] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L363] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L365] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L411] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L414] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L429] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L385] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L388] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L390] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L508] int retValue_acc ;
[L509] int tmp ;
[L510] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L514] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L229] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L232] COND FALSE !(waterLevel < 2)
[L236] retValue_acc = 0
[L237] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L514] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L514] tmp = isHighWaterSensorDry()
[L516] COND FALSE !(\read(tmp))
[L519] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L521] retValue_acc = tmp___0
[L522] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L390] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L390] tmp = isHighWaterLevel()
[L392] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L394] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L439] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L394] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L429] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L365] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L371] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L254] int tmp ;
[L255] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L259] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L220] int retValue_acc ;
[L223] retValue_acc = waterLevel
[L224] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L259] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L259] tmp = getWaterLevel()
[L261] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L371] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L335] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L290] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L292] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L298] tmp = __VERIFIER_nondet_int()
[L300] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L308] tmp___0 = __VERIFIER_nondet_int()
[L310] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L318] tmp___2 = __VERIFIER_nondet_int()
[L320] COND FALSE !(\read(tmp___2))
[L326] tmp___1 = __VERIFIER_nondet_int()
[L328] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2]
[L335] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L356] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L358] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L155] COND TRUE waterLevel > 0
[L156] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L358] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L363] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L365] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L411] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L414] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L416] CALL, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L452] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L456] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L188] int retValue_acc ;
[L191] retValue_acc = methaneLevelCritical
[L192] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1]
[L456] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L456] retValue_acc = isMethaneLevelCritical()
[L458] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1]
[L416] RET, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L416] tmp = isMethaneAlarm()
[L418] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1]
[L424] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L385] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L388] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L403] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L424] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1]
[L365] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L371] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L254] int tmp ;
[L255] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L259] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L220] int retValue_acc ;
[L223] retValue_acc = waterLevel
[L224] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L259] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L259] tmp = getWaterLevel()
[L261] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L371] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L335] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=1]
[L290] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=1]
[L292] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=1]
[L298] tmp = __VERIFIER_nondet_int()
[L300] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=1]
[L308] tmp___0 = __VERIFIER_nondet_int()
[L310] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=1]
[L318] tmp___2 = __VERIFIER_nondet_int()
[L320] COND FALSE !(\read(tmp___2))
[L326] tmp___1 = __VERIFIER_nondet_int()
[L328] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1]
[L335] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L356] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L358] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L155] COND TRUE waterLevel > 0
[L156] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L358] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L363] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L365] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L411] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L414] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L416] CALL, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L452] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L456] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L188] int retValue_acc ;
[L191] retValue_acc = methaneLevelCritical
[L192] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L456] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L456] retValue_acc = isMethaneLevelCritical()
[L458] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L416] RET, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L416] tmp = isMethaneAlarm()
[L418] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L424] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L385] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L388] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L403] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L424] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L365] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L371] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L254] int tmp ;
[L255] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L259] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L220] int retValue_acc ;
[L223] retValue_acc = waterLevel
[L224] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L259] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L259] tmp = getWaterLevel()
[L261] COND TRUE tmp == 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L263] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L463] int retValue_acc ;
[L466] retValue_acc = pumpRunning
[L467] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L263] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L263] tmp___0 = isPumpRunning()
[L265] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L267] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L247] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1346 SDtfs, 1035 SDslu, 2340 SDs, 0 SdLazy, 2247 SolverSat, 567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 911 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 211 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1003 NumberOfCodeBlocks, 1003 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 176109 SizeOfPredicates, 31 NumberOfNonLiveVariables, 6756 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 147/164 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...