/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 13:03:52,438 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:03:52,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:03:52,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:03:52,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:03:52,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:03:52,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:03:52,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:03:52,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:03:52,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:03:52,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:03:52,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:03:52,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:03:52,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:03:52,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:03:52,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:03:52,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:03:52,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:03:52,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:03:52,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:03:52,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:03:52,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:03:52,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:03:52,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:03:52,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:03:52,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:03:52,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:03:52,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:03:52,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:03:52,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:03:52,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:03:52,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:03:52,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:03:52,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:03:52,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:03:52,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:03:52,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:03:52,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:03:52,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:03:52,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:03:52,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:03:52,490 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 13:03:52,510 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 13:03:52,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:03:52,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:03:52,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 13:03:52,513 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 13:03:52,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:03:52,513 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 13:03:52,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 13:03:52,514 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 13:03:52,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 13:03:52,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:03:52,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:03:52,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:03:52,516 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 13:03:52,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 13:03:52,516 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 13:03:52,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:03:52,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:03:52,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 13:03:52,518 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 13:03:52,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 13:03:52,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:03:52,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:03:52,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:03:52,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:03:52,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 13:03:52,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:03:52,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:03:52,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 13:03:52,523 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 -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 13:03:52,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:03:52,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:03:52,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:03:52,824 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 13:03:52,825 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 13:03:52,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c
[2020-07-20 13:03:52,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06767f863/1a50d897eae74ba5b24b7871e1e93619/FLAGe2568c5e5
[2020-07-20 13:03:53,422 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 13:03:53,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c
[2020-07-20 13:03:53,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06767f863/1a50d897eae74ba5b24b7871e1e93619/FLAGe2568c5e5
[2020-07-20 13:03:53,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06767f863/1a50d897eae74ba5b24b7871e1e93619
[2020-07-20 13:03:53,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:03:53,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:03:53,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:03:53,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:03:53,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:03:53,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:53" (1/1) ...
[2020-07-20 13:03:53,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3607cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:53, skipping insertion in model container
[2020-07-20 13:03:53,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:53" (1/1) ...
[2020-07-20 13:03:53,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 13:03:53,780 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:03:54,092 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:03:54,110 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 13:03:54,297 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:03:54,340 INFO L208 MainTranslator]: Completed translation
[2020-07-20 13:03:54,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54 WrapperNode
[2020-07-20 13:03:54,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:03:54,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:03:54,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:03:54,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:03:54,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (1/1) ...
[2020-07-20 13:03:54,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:03:54,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:03:54,434 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:03:54,434 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:03:54,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (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 13:03:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:03:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:03:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:03:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:03:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:03:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 13:03:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:03:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 13:03:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:03:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:03:54,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:03:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:03:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:03:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:03:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:03:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:03:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:03:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:03:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 13:03:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:03:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:03:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:03:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:03:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:03:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:03:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:03:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:03:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:03:55,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:03:55,574 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:03:55,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:55 BoogieIcfgContainer
[2020-07-20 13:03:55,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:03:55,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:03:55,581 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:03:55,584 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:03:55,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:53" (1/3) ...
[2020-07-20 13:03:55,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfd380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:55, skipping insertion in model container
[2020-07-20 13:03:55,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:54" (2/3) ...
[2020-07-20 13:03:55,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfd380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:55, skipping insertion in model container
[2020-07-20 13:03:55,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:55" (3/3) ...
[2020-07-20 13:03:55,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c
[2020-07-20 13:03:55,600 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:03:55,608 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:03:55,624 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:03:55,650 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:03:55,650 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 13:03:55,651 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:03:55,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:03:55,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:03:55,652 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 13:03:55,652 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:03:55,652 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:03:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states.
[2020-07-20 13:03:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-20 13:03:55,686 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:55,687 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 13:03:55,688 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:03:55,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:03:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times
[2020-07-20 13:03:55,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:03:55,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825347823]
[2020-07-20 13:03:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:03:56,192 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:03:56,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:03:56,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:03:56,210 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:03:56,246 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 13:03:56,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:03:56,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825347823]
[2020-07-20 13:03:56,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:03:56,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:03:56,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607943424]
[2020-07-20 13:03:56,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:03:56,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:03:56,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:03:56,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:03:56,277 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states.
[2020-07-20 13:03:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:03:56,324 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions.
[2020-07-20 13:03:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 13:03:56,326 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2020-07-20 13:03:56,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:03:56,340 INFO L225 Difference]: With dead ends: 298
[2020-07-20 13:03:56,340 INFO L226 Difference]: Without dead ends: 149
[2020-07-20 13:03:56,345 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 13:03:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2020-07-20 13:03:56,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149.
[2020-07-20 13:03:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states.
[2020-07-20 13:03:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions.
[2020-07-20 13:03:56,420 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46
[2020-07-20 13:03:56,421 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:03:56,421 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions.
[2020-07-20 13:03:56,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:03:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions.
[2020-07-20 13:03:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-20 13:03:56,425 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:56,426 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 13:03:56,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:03:56,641 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:03:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:03:56,642 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times
[2020-07-20 13:03:56,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:03:56,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078373028]
[2020-07-20 13:03:56,645 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:03:57,065 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:03:57,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:03:57,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:03:57,077 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:03:57,116 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 13:03:57,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:03:57,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078373028]
[2020-07-20 13:03:57,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:03:57,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:03:57,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218301146]
[2020-07-20 13:03:57,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:03:57,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:03:57,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:03:57,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:03:57,122 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states.
[2020-07-20 13:03:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:03:57,163 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions.
[2020-07-20 13:03:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:03:57,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-07-20 13:03:57,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:03:57,167 INFO L225 Difference]: With dead ends: 241
[2020-07-20 13:03:57,167 INFO L226 Difference]: Without dead ends: 140
[2020-07-20 13:03:57,170 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 13:03:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2020-07-20 13:03:57,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140.
[2020-07-20 13:03:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-07-20 13:03:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions.
[2020-07-20 13:03:57,195 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47
[2020-07-20 13:03:57,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:03:57,196 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions.
[2020-07-20 13:03:57,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:03:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions.
[2020-07-20 13:03:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-07-20 13:03:57,202 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:57,202 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]
[2020-07-20 13:03:57,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:03:57,416 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:03:57,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:03:57,417 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times
[2020-07-20 13:03:57,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:03:57,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194953953]
[2020-07-20 13:03:57,419 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:03:57,837 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:03:57,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:03:57,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:03:57,849 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:03:57,873 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 13:03:57,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:03:57,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194953953]
[2020-07-20 13:03:57,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:03:57,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:03:57,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070019880]
[2020-07-20 13:03:57,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:03:57,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:03:57,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:03:57,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:03:57,879 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 3 states.
[2020-07-20 13:03:57,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:03:57,929 INFO L93 Difference]: Finished difference Result 370 states and 438 transitions.
[2020-07-20 13:03:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:03:57,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51
[2020-07-20 13:03:57,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:03:57,941 INFO L225 Difference]: With dead ends: 370
[2020-07-20 13:03:57,942 INFO L226 Difference]: Without dead ends: 254
[2020-07-20 13:03:57,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:03:57,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-07-20 13:03:57,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250.
[2020-07-20 13:03:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states.
[2020-07-20 13:03:58,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 295 transitions.
[2020-07-20 13:03:58,002 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 295 transitions. Word has length 51
[2020-07-20 13:03:58,002 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:03:58,002 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 295 transitions.
[2020-07-20 13:03:58,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:03:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 295 transitions.
[2020-07-20 13:03:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 13:03:58,005 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:58,005 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]
[2020-07-20 13:03:58,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:03:58,210 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:03:58,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:03:58,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1795694260, now seen corresponding path program 1 times
[2020-07-20 13:03:58,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:03:58,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782939042]
[2020-07-20 13:03:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:03:58,635 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:03:58,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:03:58,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 13:03:58,644 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:03:58,704 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 13:03:58,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:03:58,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782939042]
[2020-07-20 13:03:58,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:03:58,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:03:58,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104700617]
[2020-07-20 13:03:58,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:03:58,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:03:58,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:03:58,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:03:58,707 INFO L87 Difference]: Start difference. First operand 250 states and 295 transitions. Second operand 6 states.
[2020-07-20 13:03:58,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:03:58,988 INFO L93 Difference]: Finished difference Result 683 states and 843 transitions.
[2020-07-20 13:03:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:03:58,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57
[2020-07-20 13:03:58,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:03:58,993 INFO L225 Difference]: With dead ends: 683
[2020-07-20 13:03:58,994 INFO L226 Difference]: Without dead ends: 457
[2020-07-20 13:03:58,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 13:03:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states.
[2020-07-20 13:03:59,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457.
[2020-07-20 13:03:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states.
[2020-07-20 13:03:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 560 transitions.
[2020-07-20 13:03:59,029 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 560 transitions. Word has length 57
[2020-07-20 13:03:59,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:03:59,029 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 560 transitions.
[2020-07-20 13:03:59,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:03:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 560 transitions.
[2020-07-20 13:03:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-07-20 13:03:59,032 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:59,033 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]
[2020-07-20 13:03:59,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:03:59,246 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:03:59,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:03:59,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2070558330, now seen corresponding path program 1 times
[2020-07-20 13:03:59,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:03:59,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427631738]
[2020-07-20 13:03:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:03:59,621 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:03:59,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:03:59,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:03:59,630 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:03:59,667 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 13:03:59,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:03:59,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427631738]
[2020-07-20 13:03:59,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:03:59,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:03:59,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940670015]
[2020-07-20 13:03:59,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:03:59,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:03:59,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:03:59,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:03:59,669 INFO L87 Difference]: Start difference. First operand 457 states and 560 transitions. Second operand 3 states.
[2020-07-20 13:03:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:03:59,743 INFO L93 Difference]: Finished difference Result 1045 states and 1349 transitions.
[2020-07-20 13:03:59,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:03:59,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61
[2020-07-20 13:03:59,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:03:59,748 INFO L225 Difference]: With dead ends: 1045
[2020-07-20 13:03:59,749 INFO L226 Difference]: Without dead ends: 612
[2020-07-20 13:03:59,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 13:03:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states.
[2020-07-20 13:03:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 599.
[2020-07-20 13:03:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states.
[2020-07-20 13:03:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 749 transitions.
[2020-07-20 13:03:59,787 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 749 transitions. Word has length 61
[2020-07-20 13:03:59,787 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:03:59,788 INFO L479 AbstractCegarLoop]: Abstraction has 599 states and 749 transitions.
[2020-07-20 13:03:59,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:03:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 749 transitions.
[2020-07-20 13:03:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2020-07-20 13:03:59,791 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:03:59,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:00,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:00,005 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:00,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:00,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1150557836, now seen corresponding path program 1 times
[2020-07-20 13:04:00,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:00,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068420898]
[2020-07-20 13:04:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:04:00,301 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 13:04:00,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:00,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-20 13:04:00,308 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-07-20 13:04:00,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:00,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068420898]
[2020-07-20 13:04:00,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:00,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:00,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831589011]
[2020-07-20 13:04:00,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:00,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:00,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:00,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:00,343 INFO L87 Difference]: Start difference. First operand 599 states and 749 transitions. Second operand 3 states.
[2020-07-20 13:04:00,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:00,417 INFO L93 Difference]: Finished difference Result 697 states and 872 transitions.
[2020-07-20 13:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:04:00,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127
[2020-07-20 13:04:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:00,421 INFO L225 Difference]: With dead ends: 697
[2020-07-20 13:04:00,421 INFO L226 Difference]: Without dead ends: 354
[2020-07-20 13:04:00,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 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 13:04:00,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2020-07-20 13:04:00,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 348.
[2020-07-20 13:04:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states.
[2020-07-20 13:04:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 425 transitions.
[2020-07-20 13:04:00,443 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 425 transitions. Word has length 127
[2020-07-20 13:04:00,443 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:00,443 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 425 transitions.
[2020-07-20 13:04:00,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 425 transitions.
[2020-07-20 13:04:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 13:04:00,446 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:00,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:00,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:00,660 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:00,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:00,661 INFO L82 PathProgramCache]: Analyzing trace with hash 321074684, now seen corresponding path program 1 times
[2020-07-20 13:04:00,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:00,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686459323]
[2020-07-20 13:04:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:04:01,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:01,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:01,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:01,115 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-20 13:04:01,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:01,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686459323]
[2020-07-20 13:04:01,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:01,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:01,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803917698]
[2020-07-20 13:04:01,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:01,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:01,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:01,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:01,161 INFO L87 Difference]: Start difference. First operand 348 states and 425 transitions. Second operand 6 states.
[2020-07-20 13:04:01,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:01,199 INFO L93 Difference]: Finished difference Result 686 states and 880 transitions.
[2020-07-20 13:04:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:04:01,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143
[2020-07-20 13:04:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:01,202 INFO L225 Difference]: With dead ends: 686
[2020-07-20 13:04:01,202 INFO L226 Difference]: Without dead ends: 362
[2020-07-20 13:04:01,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 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 13:04:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states.
[2020-07-20 13:04:01,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358.
[2020-07-20 13:04:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states.
[2020-07-20 13:04:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 436 transitions.
[2020-07-20 13:04:01,219 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 436 transitions. Word has length 143
[2020-07-20 13:04:01,220 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:01,220 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 436 transitions.
[2020-07-20 13:04:01,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 436 transitions.
[2020-07-20 13:04:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 13:04:01,222 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:01,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:01,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:01,436 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:01,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:01,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1297900230, now seen corresponding path program 1 times
[2020-07-20 13:04:01,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:01,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941897526]
[2020-07-20 13:04:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:04:01,766 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:01,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:01,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:04:01,775 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-20 13:04:01,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:01,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941897526]
[2020-07-20 13:04:01,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:01,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:04:01,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48351214]
[2020-07-20 13:04:01,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:04:01,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:01,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:04:01,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:04:01,825 INFO L87 Difference]: Start difference. First operand 358 states and 436 transitions. Second operand 5 states.
[2020-07-20 13:04:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:01,855 INFO L93 Difference]: Finished difference Result 673 states and 849 transitions.
[2020-07-20 13:04:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-20 13:04:01,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143
[2020-07-20 13:04:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:01,858 INFO L225 Difference]: With dead ends: 673
[2020-07-20 13:04:01,858 INFO L226 Difference]: Without dead ends: 339
[2020-07-20 13:04:01,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 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 13:04:01,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states.
[2020-07-20 13:04:01,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339.
[2020-07-20 13:04:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states.
[2020-07-20 13:04:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 411 transitions.
[2020-07-20 13:04:01,875 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 411 transitions. Word has length 143
[2020-07-20 13:04:01,875 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:01,875 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 411 transitions.
[2020-07-20 13:04:01,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:04:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 411 transitions.
[2020-07-20 13:04:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-07-20 13:04:01,878 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:01,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:02,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:02,080 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2043865433, now seen corresponding path program 1 times
[2020-07-20 13:04:02,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:02,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603488790]
[2020-07-20 13:04:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:04:02,361 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 13:04:02,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:02,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:04:02,370 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:02,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:02,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603488790]
[2020-07-20 13:04:02,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:02,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:02,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984659129]
[2020-07-20 13:04:02,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:02,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:02,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:02,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:02,428 INFO L87 Difference]: Start difference. First operand 339 states and 411 transitions. Second operand 6 states.
[2020-07-20 13:04:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:03,235 INFO L93 Difference]: Finished difference Result 907 states and 1167 transitions.
[2020-07-20 13:04:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 13:04:03,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143
[2020-07-20 13:04:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:03,241 INFO L225 Difference]: With dead ends: 907
[2020-07-20 13:04:03,241 INFO L226 Difference]: Without dead ends: 592
[2020-07-20 13:04:03,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 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 13:04:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states.
[2020-07-20 13:04:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 575.
[2020-07-20 13:04:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states.
[2020-07-20 13:04:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 709 transitions.
[2020-07-20 13:04:03,276 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 709 transitions. Word has length 143
[2020-07-20 13:04:03,276 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:03,276 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 709 transitions.
[2020-07-20 13:04:03,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 709 transitions.
[2020-07-20 13:04:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-20 13:04:03,280 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:03,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:03,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:03,494 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash 183103711, now seen corresponding path program 1 times
[2020-07-20 13:04:03,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:03,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375559419]
[2020-07-20 13:04:03,497 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 13:04:03,951 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:03,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:03,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:03,961 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:04,040 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:04:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:04:04,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375559419]
[2020-07-20 13:04:04,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:04:04,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12
[2020-07-20 13:04:04,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874226794]
[2020-07-20 13:04:04,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-07-20 13:04:04,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:04,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-07-20 13:04:04,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2020-07-20 13:04:04,445 INFO L87 Difference]: Start difference. First operand 575 states and 709 transitions. Second operand 12 states.
[2020-07-20 13:04:05,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:05,951 INFO L93 Difference]: Finished difference Result 1601 states and 2144 transitions.
[2020-07-20 13:04:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2020-07-20 13:04:05,952 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147
[2020-07-20 13:04:05,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:05,963 INFO L225 Difference]: With dead ends: 1601
[2020-07-20 13:04:05,963 INFO L226 Difference]: Without dead ends: 896
[2020-07-20 13:04:05,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 282 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 13:04:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states.
[2020-07-20 13:04:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 739.
[2020-07-20 13:04:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states.
[2020-07-20 13:04:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 913 transitions.
[2020-07-20 13:04:06,029 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 913 transitions. Word has length 147
[2020-07-20 13:04:06,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:06,030 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 913 transitions.
[2020-07-20 13:04:06,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-07-20 13:04:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 913 transitions.
[2020-07-20 13:04:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-07-20 13:04:06,035 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:06,035 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:06,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:06,253 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:06,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1882733946, now seen corresponding path program 1 times
[2020-07-20 13:04:06,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:06,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740004524]
[2020-07-20 13:04:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:06,616 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:06,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:06,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-20 13:04:06,626 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:06,726 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 13:04:06,727 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 13:04:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-07-20 13:04:06,795 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:04:07,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 13:04:07,150 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-20 13:04:07,151 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 13:04:07,203 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-20 13:04:07,204 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 13:04:07,222 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-20 13:04:07,223 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 13:04:07,260 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 13:04:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 47 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2020-07-20 13:04:07,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740004524]
[2020-07-20 13:04:07,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:04:07,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16
[2020-07-20 13:04:07,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547329461]
[2020-07-20 13:04:07,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states
[2020-07-20 13:04:07,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:07,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2020-07-20 13:04:07,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240
[2020-07-20 13:04:07,518 INFO L87 Difference]: Start difference. First operand 739 states and 913 transitions. Second operand 16 states.
[2020-07-20 13:04:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:09,923 INFO L93 Difference]: Finished difference Result 2106 states and 2850 transitions.
[2020-07-20 13:04:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-07-20 13:04:09,924 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 200
[2020-07-20 13:04:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:09,938 INFO L225 Difference]: With dead ends: 2106
[2020-07-20 13:04:09,939 INFO L226 Difference]: Without dead ends: 1448
[2020-07-20 13:04:09,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756
[2020-07-20 13:04:09,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states.
[2020-07-20 13:04:10,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1160.
[2020-07-20 13:04:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states.
[2020-07-20 13:04:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1430 transitions.
[2020-07-20 13:04:10,026 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1430 transitions. Word has length 200
[2020-07-20 13:04:10,027 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:10,027 INFO L479 AbstractCegarLoop]: Abstraction has 1160 states and 1430 transitions.
[2020-07-20 13:04:10,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states.
[2020-07-20 13:04:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1430 transitions.
[2020-07-20 13:04:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-07-20 13:04:10,031 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:10,032 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:10,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:10,246 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:10,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:10,247 INFO L82 PathProgramCache]: Analyzing trace with hash 824895868, now seen corresponding path program 1 times
[2020-07-20 13:04:10,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:10,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456140414]
[2020-07-20 13:04:10,248 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:10,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:10,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:10,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 13:04:10,617 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2020-07-20 13:04:10,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:10,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456140414]
[2020-07-20 13:04:10,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:10,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:10,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71663437]
[2020-07-20 13:04:10,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:10,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:10,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:10,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:10,669 INFO L87 Difference]: Start difference. First operand 1160 states and 1430 transitions. Second operand 6 states.
[2020-07-20 13:04:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:10,723 INFO L93 Difference]: Finished difference Result 1492 states and 1819 transitions.
[2020-07-20 13:04:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:04:10,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200
[2020-07-20 13:04:10,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:10,728 INFO L225 Difference]: With dead ends: 1492
[2020-07-20 13:04:10,728 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 13:04:10,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 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 13:04:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:04:10,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:04:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:04:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:04:10,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200
[2020-07-20 13:04:10,734 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:10,734 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:04:10,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:04:10,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:04:10,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:10,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:04:12,730 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36
[2020-07-20 13:04:13,103 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35
[2020-07-20 13:04:13,566 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32
[2020-07-20 13:04:14,100 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14
[2020-07-20 13:04:14,439 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38
[2020-07-20 13:04:14,772 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28
[2020-07-20 13:04:15,051 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed.
[2020-07-20 13:04:15,051 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 723) no Hoare annotation was computed.
[2020-07-20 13:04:15,051 INFO L268 CegarLoopResult]: For program point L724(lines 701 725) no Hoare annotation was computed.
[2020-07-20 13:04:15,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed.
[2020-07-20 13:04:15,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed.
[2020-07-20 13:04:15,052 INFO L268 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed.
[2020-07-20 13:04:15,052 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 712) no Hoare annotation was computed.
[2020-07-20 13:04:15,052 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed.
[2020-07-20 13:04:15,053 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed.
[2020-07-20 13:04:15,053 INFO L268 CegarLoopResult]: For program point L765-1(lines 765 769) no Hoare annotation was computed.
[2020-07-20 13:04:15,053 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed.
[2020-07-20 13:04:15,053 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed.
[2020-07-20 13:04:15,053 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 784) no Hoare annotation was computed.
[2020-07-20 13:04:15,054 INFO L268 CegarLoopResult]: For program point L785(lines 758 786) no Hoare annotation was computed.
[2020-07-20 13:04:15,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed.
[2020-07-20 13:04:15,054 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed.
[2020-07-20 13:04:15,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed.
[2020-07-20 13:04:15,054 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed.
[2020-07-20 13:04:15,055 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true
[2020-07-20 13:04:15,055 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed.
[2020-07-20 13:04:15,055 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed.
[2020-07-20 13:04:15,055 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true
[2020-07-20 13:04:15,055 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed.
[2020-07-20 13:04:15,055 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2)))
[2020-07-20 13:04:15,055 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true
[2020-07-20 13:04:15,055 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed.
[2020-07-20 13:04:15,056 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2)))
[2020-07-20 13:04:15,056 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed.
[2020-07-20 13:04:15,056 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed.
[2020-07-20 13:04:15,056 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed.
[2020-07-20 13:04:15,056 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true
[2020-07-20 13:04:15,056 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed.
[2020-07-20 13:04:15,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed.
[2020-07-20 13:04:15,057 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,057 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed.
[2020-07-20 13:04:15,057 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,057 INFO L264 CegarLoopResult]: At program point L501-1(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,057 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed.
[2020-07-20 13:04:15,057 INFO L268 CegarLoopResult]: For program point L499-1(lines 499 506) no Hoare annotation was computed.
[2020-07-20 13:04:15,057 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed.
[2020-07-20 13:04:15,057 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,058 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,058 INFO L264 CegarLoopResult]: At program point L495-1(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed.
[2020-07-20 13:04:15,058 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed.
[2020-07-20 13:04:15,059 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L264 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|)))))
[2020-07-20 13:04:15,060 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|)))))
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed.
[2020-07-20 13:04:15,060 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L271 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: true
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L389-1(line 389) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L334(lines 334 342) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L334-2(lines 334 342) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed.
[2020-07-20 13:04:15,061 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point L958(lines 958 978) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point L958-1(lines 958 978) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed.
[2020-07-20 13:04:15,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L268 CegarLoopResult]: For program point L964(lines 964 971) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,063 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true
[2020-07-20 13:04:15,063 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed.
[2020-07-20 13:04:15,063 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: true
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed.
[2020-07-20 13:04:15,064 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true
[2020-07-20 13:04:15,064 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L268 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-20 13:04:15,065 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L268 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-20 13:04:15,065 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0))
[2020-07-20 13:04:15,065 INFO L268 CegarLoopResult]: For program point L267-1(lines 248 272) no Hoare annotation was computed.
[2020-07-20 13:04:15,065 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)))
[2020-07-20 13:04:15,066 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~3))))
[2020-07-20 13:04:15,066 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed.
[2020-07-20 13:04:15,066 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true
[2020-07-20 13:04:15,066 INFO L264 CegarLoopResult]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,066 INFO L268 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed.
[2020-07-20 13:04:15,066 INFO L268 CegarLoopResult]: For program point testFINAL(lines 112 177) no Hoare annotation was computed.
[2020-07-20 13:04:15,066 INFO L264 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,066 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:04:15,067 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed.
[2020-07-20 13:04:15,067 INFO L264 CegarLoopResult]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:04:15,067 INFO L268 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed.
[2020-07-20 13:04:15,067 INFO L268 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed.
[2020-07-20 13:04:15,067 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:04:15,067 INFO L268 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed.
[2020-07-20 13:04:15,067 INFO L268 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed.
[2020-07-20 13:04:15,068 INFO L264 CegarLoopResult]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:04:15,068 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:04:15,068 INFO L268 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed.
[2020-07-20 13:04:15,068 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed.
[2020-07-20 13:04:15,068 INFO L268 CegarLoopResult]: For program point testEXIT(lines 112 177) no Hoare annotation was computed.
[2020-07-20 13:04:15,068 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed.
[2020-07-20 13:04:15,068 INFO L268 CegarLoopResult]: For program point L918(lines 918 925) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point L912-1(lines 912 932) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed.
[2020-07-20 13:04:15,069 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point L568(lines 568 576) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 576) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point L865(lines 843 866) no Hoare annotation was computed.
[2020-07-20 13:04:15,070 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L824(lines 824 840) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L845(lines 844 864) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L841(lines 841 882) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed.
[2020-07-20 13:04:15,071 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point L819(lines 819 823) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point L883(lines 883 894) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point L844-2(lines 844 864) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L268 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed.
[2020-07-20 13:04:15,072 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed.
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed.
[2020-07-20 13:04:15,073 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:15,073 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point L293-1(lines 282 298) no Hoare annotation was computed.
[2020-07-20 13:04:15,073 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed.
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed.
[2020-07-20 13:04:15,073 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L271 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: true
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point L543-1(lines 539 550) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed.
[2020-07-20 13:04:15,074 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1))))
[2020-07-20 13:04:15,075 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5)))
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7)))))
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2)))
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point L194(lines 193 212) no Hoare annotation was computed.
[2020-07-20 13:04:15,075 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed.
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point L443(lines 418 447) the Hoare annotation is: true
[2020-07-20 13:04:15,076 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed.
[2020-07-20 13:04:15,076 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed.
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point L432-1(lines 432 436) the Hoare annotation is: true
[2020-07-20 13:04:15,076 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed.
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: true
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: true
[2020-07-20 13:04:15,076 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed.
[2020-07-20 13:04:15,076 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point L519-1(lines 515 526) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:04:15,077 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:15,077 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-20 13:04:15,077 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point L241-1(lines 222 246) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-20 13:04:15,078 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))))
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse3) .cse4 .cse5) (or .cse2 .cse6 .cse4 .cse5) (or .cse6 (<= 1 ~waterLevel~0) .cse4 .cse5) (or .cse6 .cse4 .cse1 .cse3)))
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point L531-1(lines 527 538) no Hoare annotation was computed.
[2020-07-20 13:04:15,078 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed.
[2020-07-20 13:04:15,079 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed.
[2020-07-20 13:04:15,079 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true
[2020-07-20 13:04:15,079 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed.
[2020-07-20 13:04:15,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:15 BoogieIcfgContainer
[2020-07-20 13:04:15,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:04:15,096 INFO L168 Benchmark]: Toolchain (without parser) took 21375.60 ms. Allocated memory was 144.7 MB in the beginning and 439.9 MB in the end (delta: 295.2 MB). Free memory was 100.6 MB in the beginning and 111.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 309.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,097 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.36 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 173.6 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,098 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,099 INFO L168 Benchmark]: RCFGBuilder took 1146.21 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 197.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,100 INFO L168 Benchmark]: TraceAbstraction took 19513.23 ms. Allocated memory was 236.5 MB in the beginning and 439.9 MB in the end (delta: 203.4 MB). Free memory was 197.1 MB in the beginning and 111.1 MB in the end (delta: 86.0 MB). Peak memory consumption was 314.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:15,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 619.36 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 173.6 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 91.34 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1146.21 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 197.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 19513.23 ms. Allocated memory was 236.5 MB in the beginning and 439.9 MB in the end (delta: 203.4 MB). Free memory was 197.1 MB in the beginning and 111.1 MB in the end (delta: 86.0 MB). Peak memory consumption was 314.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 121]: Loop Invariant
Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))
- InvariantResult [Line: 418]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 122]: Loop Invariant
Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))
- InvariantResult [Line: 428]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2244 SDtfs, 1960 SDslu, 3721 SDs, 0 SdLazy, 3418 SolverSat, 1079 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1740 GetRequests, 1658 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1160occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 489 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2161 PreInvPairs, 2260 NumberOfFragments, 1368 HoareAnnotationTreeSize, 2161 FomulaSimplifications, 4372 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 67 FomulaSimplificationsInter, 6396 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1027 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1698 ConstructedInterpolants, 0 QuantifiedInterpolants, 413374 SizeOfPredicates, 41 NumberOfNonLiveVariables, 8988 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 378/430 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 correct!
Received shutdown request...