/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_spec5_product53.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:04:57,097 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:04:57,102 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:04:57,121 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:04:57,121 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:04:57,122 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:04:57,124 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:04:57,126 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:04:57,127 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:04:57,128 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:04:57,129 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:04:57,130 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:04:57,131 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:04:57,132 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:04:57,133 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:04:57,134 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:04:57,135 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:04:57,135 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:04:57,137 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:04:57,139 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:04:57,141 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:04:57,142 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:04:57,143 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:04:57,143 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:04:57,146 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:04:57,146 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:04:57,146 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:04:57,147 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:04:57,148 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:04:57,149 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:04:57,149 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:04:57,149 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:04:57,150 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:04:57,151 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:04:57,152 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:04:57,152 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:04:57,153 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:04:57,153 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:04:57,153 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:04:57,154 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:04:57,155 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:04:57,156 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 13:04:57,170 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:04:57,170 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:04:57,171 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:04:57,172 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:04:57,172 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:04:57,172 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:04:57,172 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:04:57,172 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:04:57,173 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:04:57,173 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:04:57,173 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:04:57,173 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:04:57,173 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:04:57,174 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:04:57,174 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:04:57,174 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:04:57,174 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:04:57,174 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:04:57,175 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:04:57,175 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:04:57,175 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:04:57,175 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:57,175 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:04:57,176 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:04:57,176 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:04:57,176 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:04:57,176 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:57,177 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:04:57,177 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:04:57,177 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 13:04:57,456 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:04:57,469 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:04:57,473 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:04:57,474 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:04:57,475 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:04:57,475 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c
[2020-07-20 13:04:57,534 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be48257d/4eef9f51e9614b9f8a8f25319135baec/FLAG61172b20d
[2020-07-20 13:04:58,094 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:04:58,095 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c
[2020-07-20 13:04:58,110 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be48257d/4eef9f51e9614b9f8a8f25319135baec/FLAG61172b20d
[2020-07-20 13:04:58,374 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1be48257d/4eef9f51e9614b9f8a8f25319135baec
[2020-07-20 13:04:58,383 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:04:58,385 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:04:58,387 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:58,387 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:04:58,390 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:04:58,392 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ...
[2020-07-20 13:04:58,395 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ef5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58, skipping insertion in model container
[2020-07-20 13:04:58,395 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ...
[2020-07-20 13:04:58,403 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:04:58,453 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:04:58,810 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:58,822 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:04:59,044 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:59,081 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:04:59,081 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59 WrapperNode
[2020-07-20 13:04:59,081 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:59,082 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:04:59,082 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:04:59,082 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:04:59,096 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,097 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,117 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,117 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,150 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,161 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,169 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,190 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:04:59,190 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:04:59,190 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:04:59,190 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:04:59,191 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (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 13:04:59,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:04:59,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:04:59,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:59,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:59,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:04:59,253 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:04:59,254 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:04:59,255 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:59,256 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:04:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:04:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:04:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:04:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:04:59,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:04:59,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:04:59,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 13:04:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:04:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:04:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:04:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:04:59,259 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:04:59,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:04:59,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:04:59,262 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:04:59,263 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:04:59,264 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:04:59,265 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:04:59,266 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:04:59,267 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:05:00,294 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:05:00,294 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:05:00,302 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:00 BoogieIcfgContainer
[2020-07-20 13:05:00,302 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:05:00,305 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:05:00,306 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:05:00,309 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:05:00,309 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:58" (1/3) ...
[2020-07-20 13:05:00,310 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890fcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:00, skipping insertion in model container
[2020-07-20 13:05:00,310 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (2/3) ...
[2020-07-20 13:05:00,311 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890fcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:00, skipping insertion in model container
[2020-07-20 13:05:00,311 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:00" (3/3) ...
[2020-07-20 13:05:00,313 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c
[2020-07-20 13:05:00,324 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:05:00,333 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:05:00,348 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:05:00,381 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:05:00,382 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:05:00,383 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:05:00,383 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:05:00,383 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:05:00,384 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:05:00,384 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:05:00,385 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:05:00,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 199 states.
[2020-07-20 13:05:00,435 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 13:05:00,435 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:00,436 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:00,437 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:00,443 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:00,443 INFO  L82        PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times
[2020-07-20 13:05:00,453 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:00,454 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688525920]
[2020-07-20 13:05:00,458 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 13:05:01,035 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:01,036 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:01,047 INFO  L263         TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:05:01,058 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:01,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:05:01,106 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:01,107 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688525920]
[2020-07-20 13:05:01,108 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:01,108 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:05:01,117 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707726895]
[2020-07-20 13:05:01,124 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:05:01,125 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,139 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:05:01,140 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:05:01,142 INFO  L87              Difference]: Start difference. First operand 199 states. Second operand 2 states.
[2020-07-20 13:05:01,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:01,207 INFO  L93              Difference]: Finished difference Result 308 states and 381 transitions.
[2020-07-20 13:05:01,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:05:01,209 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 13:05:01,210 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:01,223 INFO  L225             Difference]: With dead ends: 308
[2020-07-20 13:05:01,223 INFO  L226             Difference]: Without dead ends: 156
[2020-07-20 13:05:01,229 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 13:05:01,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2020-07-20 13:05:01,285 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156.
[2020-07-20 13:05:01,287 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2020-07-20 13:05:01,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions.
[2020-07-20 13:05:01,292 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59
[2020-07-20 13:05:01,292 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:01,292 INFO  L479      AbstractCegarLoop]: Abstraction has 156 states and 184 transitions.
[2020-07-20 13:05:01,293 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:05:01,293 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions.
[2020-07-20 13:05:01,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 13:05:01,297 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:01,298 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:01,512 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:01,513 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:01,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:01,513 INFO  L82        PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times
[2020-07-20 13:05:01,514 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,514 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003743122]
[2020-07-20 13:05:01,514 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 13:05:02,050 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:02,050 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:02,055 INFO  L263         TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:05:02,060 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:02,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:02,096 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:02,097 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003743122]
[2020-07-20 13:05:02,097 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:02,097 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:02,098 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537805614]
[2020-07-20 13:05:02,099 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:02,100 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,100 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:02,100 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:02,100 INFO  L87              Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states.
[2020-07-20 13:05:02,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:02,127 INFO  L93              Difference]: Finished difference Result 284 states and 343 transitions.
[2020-07-20 13:05:02,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:02,127 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2020-07-20 13:05:02,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:02,130 INFO  L225             Difference]: With dead ends: 284
[2020-07-20 13:05:02,131 INFO  L226             Difference]: Without dead ends: 156
[2020-07-20 13:05:02,133 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 13:05:02,134 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2020-07-20 13:05:02,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156.
[2020-07-20 13:05:02,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 156 states.
[2020-07-20 13:05:02,152 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions.
[2020-07-20 13:05:02,152 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64
[2020-07-20 13:05:02,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:02,154 INFO  L479      AbstractCegarLoop]: Abstraction has 156 states and 183 transitions.
[2020-07-20 13:05:02,154 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:02,154 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions.
[2020-07-20 13:05:02,158 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-07-20 13:05:02,158 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:02,158 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:02,373 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,374 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:02,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:02,375 INFO  L82        PathProgramCache]: Analyzing trace with hash 681754523, now seen corresponding path program 1 times
[2020-07-20 13:05:02,375 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,376 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526260003]
[2020-07-20 13:05:02,377 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 13:05:02,612 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 13:05:02,613 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:02,616 INFO  L263         TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:05:02,620 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:02,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:05:02,646 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:02,646 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526260003]
[2020-07-20 13:05:02,646 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:02,646 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:02,647 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681860310]
[2020-07-20 13:05:02,647 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:02,647 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,648 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:02,648 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:02,648 INFO  L87              Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states.
[2020-07-20 13:05:02,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:02,668 INFO  L93              Difference]: Finished difference Result 257 states and 301 transitions.
[2020-07-20 13:05:02,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:02,668 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 78
[2020-07-20 13:05:02,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:02,671 INFO  L225             Difference]: With dead ends: 257
[2020-07-20 13:05:02,671 INFO  L226             Difference]: Without dead ends: 147
[2020-07-20 13:05:02,672 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 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 13:05:02,673 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2020-07-20 13:05:02,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2020-07-20 13:05:02,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 147 states.
[2020-07-20 13:05:02,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions.
[2020-07-20 13:05:02,688 INFO  L78                 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 78
[2020-07-20 13:05:02,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:02,688 INFO  L479      AbstractCegarLoop]: Abstraction has 147 states and 171 transitions.
[2020-07-20 13:05:02,689 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:02,689 INFO  L276                IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions.
[2020-07-20 13:05:02,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2020-07-20 13:05:02,691 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:02,691 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:02,899 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,899 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:02,899 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:02,899 INFO  L82        PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times
[2020-07-20 13:05:02,900 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,900 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1769331862]
[2020-07-20 13:05:02,900 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 13:05:03,337 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:03,338 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:03,343 INFO  L263         TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:05:03,347 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:03,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:03,399 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:03,399 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1769331862]
[2020-07-20 13:05:03,400 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:03,400 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:03,400 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52839904]
[2020-07-20 13:05:03,401 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:03,401 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,401 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:03,401 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:03,402 INFO  L87              Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 6 states.
[2020-07-20 13:05:03,995 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:03,996 INFO  L93              Difference]: Finished difference Result 356 states and 433 transitions.
[2020-07-20 13:05:03,996 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:05:03,996 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 82
[2020-07-20 13:05:03,997 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:04,002 INFO  L225             Difference]: With dead ends: 356
[2020-07-20 13:05:04,003 INFO  L226             Difference]: Without dead ends: 237
[2020-07-20 13:05:04,004 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 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 13:05:04,006 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 237 states.
[2020-07-20 13:05:04,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 222.
[2020-07-20 13:05:04,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 222 states.
[2020-07-20 13:05:04,031 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions.
[2020-07-20 13:05:04,031 INFO  L78                 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 82
[2020-07-20 13:05:04,032 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:04,032 INFO  L479      AbstractCegarLoop]: Abstraction has 222 states and 251 transitions.
[2020-07-20 13:05:04,032 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:04,032 INFO  L276                IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions.
[2020-07-20 13:05:04,034 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2020-07-20 13:05:04,034 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:04,034 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:04,244 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:04,245 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:04,246 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:04,246 INFO  L82        PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times
[2020-07-20 13:05:04,246 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:04,247 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657963571]
[2020-07-20 13:05:04,248 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 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 13:05:04,700 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:04,700 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:04,706 INFO  L263         TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:05:04,710 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:04,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:04,753 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:04,754 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657963571]
[2020-07-20 13:05:04,754 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:04,754 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:04,754 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900117316]
[2020-07-20 13:05:04,755 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:04,755 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:04,755 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:04,756 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:04,756 INFO  L87              Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 6 states.
[2020-07-20 13:05:05,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:05,002 INFO  L93              Difference]: Finished difference Result 419 states and 482 transitions.
[2020-07-20 13:05:05,003 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:05:05,003 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 96
[2020-07-20 13:05:05,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:05,011 INFO  L225             Difference]: With dead ends: 419
[2020-07-20 13:05:05,011 INFO  L226             Difference]: Without dead ends: 225
[2020-07-20 13:05:05,012 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 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 13:05:05,015 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 225 states.
[2020-07-20 13:05:05,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 221.
[2020-07-20 13:05:05,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 221 states.
[2020-07-20 13:05:05,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 248 transitions.
[2020-07-20 13:05:05,068 INFO  L78                 Accepts]: Start accepts. Automaton has 221 states and 248 transitions. Word has length 96
[2020-07-20 13:05:05,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:05,068 INFO  L479      AbstractCegarLoop]: Abstraction has 221 states and 248 transitions.
[2020-07-20 13:05:05,068 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:05,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 221 states and 248 transitions.
[2020-07-20 13:05:05,072 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2020-07-20 13:05:05,073 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:05,073 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:05,273 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:05,274 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:05,275 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:05,275 INFO  L82        PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times
[2020-07-20 13:05:05,275 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:05,276 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012325256]
[2020-07-20 13:05:05,276 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 13:05:05,645 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:05,646 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:05,650 INFO  L263         TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:05:05,654 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:05,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:05,700 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:05,700 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012325256]
[2020-07-20 13:05:05,700 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:05,700 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:05,701 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348421081]
[2020-07-20 13:05:05,701 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:05,701 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:05,702 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:05,702 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:05,702 INFO  L87              Difference]: Start difference. First operand 221 states and 248 transitions. Second operand 6 states.
[2020-07-20 13:05:05,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:05,739 INFO  L93              Difference]: Finished difference Result 419 states and 478 transitions.
[2020-07-20 13:05:05,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:05:05,740 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 97
[2020-07-20 13:05:05,740 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:05,742 INFO  L225             Difference]: With dead ends: 419
[2020-07-20 13:05:05,742 INFO  L226             Difference]: Without dead ends: 226
[2020-07-20 13:05:05,743 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 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 13:05:05,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2020-07-20 13:05:05,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226.
[2020-07-20 13:05:05,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 226 states.
[2020-07-20 13:05:05,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 253 transitions.
[2020-07-20 13:05:05,759 INFO  L78                 Accepts]: Start accepts. Automaton has 226 states and 253 transitions. Word has length 97
[2020-07-20 13:05:05,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:05,760 INFO  L479      AbstractCegarLoop]: Abstraction has 226 states and 253 transitions.
[2020-07-20 13:05:05,760 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:05,760 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 253 transitions.
[2020-07-20 13:05:05,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2020-07-20 13:05:05,761 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:05,762 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:05,976 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:05,977 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:05,978 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:05,978 INFO  L82        PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times
[2020-07-20 13:05:05,979 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:05,979 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110955097]
[2020-07-20 13:05:05,979 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 13:05:06,396 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:06,397 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:06,401 INFO  L263         TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:05:06,403 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:06,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:06,435 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:06,435 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110955097]
[2020-07-20 13:05:06,436 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:06,436 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:05:06,436 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696259891]
[2020-07-20 13:05:06,437 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:05:06,437 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,437 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:05:06,437 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:05:06,437 INFO  L87              Difference]: Start difference. First operand 226 states and 253 transitions. Second operand 5 states.
[2020-07-20 13:05:06,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:06,470 INFO  L93              Difference]: Finished difference Result 431 states and 495 transitions.
[2020-07-20 13:05:06,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:05:06,471 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 97
[2020-07-20 13:05:06,471 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:06,473 INFO  L225             Difference]: With dead ends: 431
[2020-07-20 13:05:06,473 INFO  L226             Difference]: Without dead ends: 233
[2020-07-20 13:05:06,474 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 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 13:05:06,475 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 233 states.
[2020-07-20 13:05:06,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230.
[2020-07-20 13:05:06,488 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-07-20 13:05:06,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 257 transitions.
[2020-07-20 13:05:06,490 INFO  L78                 Accepts]: Start accepts. Automaton has 230 states and 257 transitions. Word has length 97
[2020-07-20 13:05:06,491 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:06,491 INFO  L479      AbstractCegarLoop]: Abstraction has 230 states and 257 transitions.
[2020-07-20 13:05:06,491 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:05:06,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 230 states and 257 transitions.
[2020-07-20 13:05:06,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2020-07-20 13:05:06,492 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:06,493 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:06,702 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:06,703 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:06,704 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:06,704 INFO  L82        PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times
[2020-07-20 13:05:06,704 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,705 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51194402]
[2020-07-20 13:05:06,705 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 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 13:05:07,046 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:07,047 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:07,051 INFO  L263         TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:05:07,054 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:07,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:07,077 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:07,077 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51194402]
[2020-07-20 13:05:07,077 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:07,078 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:07,078 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640529624]
[2020-07-20 13:05:07,078 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:07,079 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,079 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:07,079 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:07,079 INFO  L87              Difference]: Start difference. First operand 230 states and 257 transitions. Second operand 3 states.
[2020-07-20 13:05:07,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:07,123 INFO  L93              Difference]: Finished difference Result 604 states and 706 transitions.
[2020-07-20 13:05:07,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:07,123 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 97
[2020-07-20 13:05:07,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:07,127 INFO  L225             Difference]: With dead ends: 604
[2020-07-20 13:05:07,127 INFO  L226             Difference]: Without dead ends: 402
[2020-07-20 13:05:07,128 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 1 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 13:05:07,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 402 states.
[2020-07-20 13:05:07,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 399.
[2020-07-20 13:05:07,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 399 states.
[2020-07-20 13:05:07,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 459 transitions.
[2020-07-20 13:05:07,156 INFO  L78                 Accepts]: Start accepts. Automaton has 399 states and 459 transitions. Word has length 97
[2020-07-20 13:05:07,157 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:07,157 INFO  L479      AbstractCegarLoop]: Abstraction has 399 states and 459 transitions.
[2020-07-20 13:05:07,157 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:07,157 INFO  L276                IsEmpty]: Start isEmpty. Operand 399 states and 459 transitions.
[2020-07-20 13:05:07,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2020-07-20 13:05:07,159 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:07,160 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:07,373 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,373 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:07,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:07,374 INFO  L82        PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times
[2020-07-20 13:05:07,374 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,375 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650892022]
[2020-07-20 13:05:07,376 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 13:05:07,718 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:07,719 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:07,723 INFO  L263         TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 13:05:07,726 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:07,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:07,820 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:07,820 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650892022]
[2020-07-20 13:05:07,821 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:07,821 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 13:05:07,821 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828277122]
[2020-07-20 13:05:07,821 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:07,822 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,822 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:07,822 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:07,822 INFO  L87              Difference]: Start difference. First operand 399 states and 459 transitions. Second operand 10 states.
[2020-07-20 13:05:09,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:09,298 INFO  L93              Difference]: Finished difference Result 1056 states and 1369 transitions.
[2020-07-20 13:05:09,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 13:05:09,299 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 101
[2020-07-20 13:05:09,300 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:09,305 INFO  L225             Difference]: With dead ends: 1056
[2020-07-20 13:05:09,305 INFO  L226             Difference]: Without dead ends: 685
[2020-07-20 13:05:09,307 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2020-07-20 13:05:09,309 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 685 states.
[2020-07-20 13:05:09,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 520.
[2020-07-20 13:05:09,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 520 states.
[2020-07-20 13:05:09,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 611 transitions.
[2020-07-20 13:05:09,354 INFO  L78                 Accepts]: Start accepts. Automaton has 520 states and 611 transitions. Word has length 101
[2020-07-20 13:05:09,355 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:09,355 INFO  L479      AbstractCegarLoop]: Abstraction has 520 states and 611 transitions.
[2020-07-20 13:05:09,355 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:09,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 520 states and 611 transitions.
[2020-07-20 13:05:09,359 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2020-07-20 13:05:09,359 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:09,360 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:09,574 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:09,575 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:09,575 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:09,575 INFO  L82        PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times
[2020-07-20 13:05:09,575 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:09,576 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219043844]
[2020-07-20 13:05:09,576 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 13:05:09,967 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:09,967 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:09,972 INFO  L263         TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:05:09,978 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:10,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:10,086 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:05:10,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-07-20 13:05:10,529 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219043844]
[2020-07-20 13:05:10,530 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:05:10,530 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 13:05:10,530 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705205409]
[2020-07-20 13:05:10,531 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:10,531 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:10,531 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:10,531 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:10,532 INFO  L87              Difference]: Start difference. First operand 520 states and 611 transitions. Second operand 10 states.
[2020-07-20 13:05:11,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:11,445 INFO  L93              Difference]: Finished difference Result 612 states and 734 transitions.
[2020-07-20 13:05:11,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-07-20 13:05:11,446 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 178
[2020-07-20 13:05:11,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:11,447 INFO  L225             Difference]: With dead ends: 612
[2020-07-20 13:05:11,447 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:05:11,449 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2020-07-20 13:05:11,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:05:11,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:05:11,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:05:11,450 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:05:11,450 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178
[2020-07-20 13:05:11,450 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:11,450 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:05:11,451 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:11,451 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:05:11,451 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:05:11,660 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:11,664 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:05:12,965 WARN  L193               SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26
[2020-07-20 13:05:13,226 WARN  L193               SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36
[2020-07-20 13:05:13,550 WARN  L193               SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39
[2020-07-20 13:05:13,916 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26
[2020-07-20 13:05:14,045 WARN  L193               SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27
[2020-07-20 13:05:14,263 WARN  L193               SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40
[2020-07-20 13:05:14,764 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31
[2020-07-20 13:05:14,956 WARN  L193               SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25
[2020-07-20 13:05:15,681 WARN  L193               SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43
[2020-07-20 13:05:15,812 WARN  L193               SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 13:05:16,076 WARN  L193               SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 127)  no Hoare annotation was computed.
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 123 127)  no Hoare annotation was computed.
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  L117-2(lines 117 138)  no Hoare annotation was computed.
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 13:05:16,399 INFO  L268        CegarLoopResult]: For program point  L139(lines 116 140)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  L193-1(line 193)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  L180(lines 180 184)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 180 184)  no Hoare annotation was computed.
[2020-07-20 13:05:16,400 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 13:05:16,401 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 13:05:16,401 INFO  L268        CegarLoopResult]: For program point  L174-2(lines 174 199)  no Hoare annotation was computed.
[2020-07-20 13:05:16,401 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 13:05:16,401 INFO  L268        CegarLoopResult]: For program point  L200(lines 173 201)  no Hoare annotation was computed.
[2020-07-20 13:05:16,401 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 665 671)  the Hoare annotation is:  true
[2020-07-20 13:05:16,402 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 665 671)  no Hoare annotation was computed.
[2020-07-20 13:05:16,402 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 672 680)  no Hoare annotation was computed.
[2020-07-20 13:05:16,402 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 672 680)  the Hoare annotation is:  true
[2020-07-20 13:05:16,402 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 672 680)  no Hoare annotation was computed.
[2020-07-20 13:05:16,402 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 753 760)  the Hoare annotation is:  true
[2020-07-20 13:05:16,402 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 753 760)  no Hoare annotation was computed.
[2020-07-20 13:05:16,402 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 753 760)  no Hoare annotation was computed.
[2020-07-20 13:05:16,403 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 761 770)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)))))
[2020-07-20 13:05:16,403 INFO  L268        CegarLoopResult]: For program point  L766(line 766)  no Hoare annotation was computed.
[2020-07-20 13:05:16,403 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 761 770)  no Hoare annotation was computed.
[2020-07-20 13:05:16,403 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 761 770)  no Hoare annotation was computed.
[2020-07-20 13:05:16,403 INFO  L264        CegarLoopResult]: At program point  L786(line 786)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-20 13:05:16,403 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 771 799)  the Hoare annotation is:  true
[2020-07-20 13:05:16,403 INFO  L268        CegarLoopResult]: For program point  L784(lines 784 790)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L268        CegarLoopResult]: For program point  L783(lines 783 793)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L264        CegarLoopResult]: At program point  L781(line 781)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:05:16,404 INFO  L268        CegarLoopResult]: For program point  L781-1(line 781)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 771 799)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L268        CegarLoopResult]: For program point  L779(lines 779 796)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L268        CegarLoopResult]: For program point  L779-1(lines 771 799)  no Hoare annotation was computed.
[2020-07-20 13:05:16,404 INFO  L271        CegarLoopResult]: At program point  L777(line 777)  the Hoare annotation is:  true
[2020-07-20 13:05:16,405 INFO  L268        CegarLoopResult]: For program point  L777-1(line 777)  no Hoare annotation was computed.
[2020-07-20 13:05:16,405 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 874 896)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,405 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 874 896)  no Hoare annotation was computed.
[2020-07-20 13:05:16,405 INFO  L264        CegarLoopResult]: At program point  L886(line 886)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,405 INFO  L264        CegarLoopResult]: At program point  L886-1(line 886)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,405 INFO  L268        CegarLoopResult]: For program point  L884(lines 884 891)  no Hoare annotation was computed.
[2020-07-20 13:05:16,405 INFO  L268        CegarLoopResult]: For program point  L884-1(lines 884 891)  no Hoare annotation was computed.
[2020-07-20 13:05:16,406 INFO  L268        CegarLoopResult]: For program point  L882(line 882)  no Hoare annotation was computed.
[2020-07-20 13:05:16,406 INFO  L264        CegarLoopResult]: At program point  L881(line 881)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,406 INFO  L264        CegarLoopResult]: At program point  L880(line 880)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,406 INFO  L264        CegarLoopResult]: At program point  L880-1(line 880)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,406 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 874 896)  no Hoare annotation was computed.
[2020-07-20 13:05:16,406 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 832 855)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 832 855)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 832 855)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L850(line 850)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L849(line 849)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L848(line 848)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L847(line 847)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L846(line 846)  no Hoare annotation was computed.
[2020-07-20 13:05:16,407 INFO  L268        CegarLoopResult]: For program point  L845(line 845)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L844(line 844)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L843(line 843)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L842(line 842)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L841(line 841)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L840(line 840)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L839(line 839)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L838(line 838)  no Hoare annotation was computed.
[2020-07-20 13:05:16,408 INFO  L268        CegarLoopResult]: For program point  L837(line 837)  no Hoare annotation was computed.
[2020-07-20 13:05:16,409 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 560 568)  no Hoare annotation was computed.
[2020-07-20 13:05:16,409 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 560 568)  the Hoare annotation is:  true
[2020-07-20 13:05:16,409 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 560 568)  no Hoare annotation was computed.
[2020-07-20 13:05:16,409 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 624 642)  the Hoare annotation is:  true
[2020-07-20 13:05:16,409 INFO  L268        CegarLoopResult]: For program point  L633(lines 633 637)  no Hoare annotation was computed.
[2020-07-20 13:05:16,409 INFO  L271        CegarLoopResult]: At program point  L631(line 631)  the Hoare annotation is:  true
[2020-07-20 13:05:16,409 INFO  L268        CegarLoopResult]: For program point  L633-2(lines 633 637)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L631-1(line 631)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 624 642)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 624 642)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L576(lines 576 584)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L576-2(lines 576 584)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L599(line 599)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L599-1(line 599)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 569 604)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L588(lines 588 596)  no Hoare annotation was computed.
[2020-07-20 13:05:16,410 INFO  L268        CegarLoopResult]: For program point  L588-2(lines 588 596)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 569 604)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 569 604)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 658 664)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 658 664)  the Hoare annotation is:  true
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 13:05:16,411 INFO  L268        CegarLoopResult]: For program point  L379(lines 379 386)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  L373(lines 373 393)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  L373-1(lines 373 393)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 863 873)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 863 873)  no Hoare annotation was computed.
[2020-07-20 13:05:16,412 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 863 873)  no Hoare annotation was computed.
[2020-07-20 13:05:16,413 INFO  L264        CegarLoopResult]: At program point  L868(line 868)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,413 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 549 559)  the Hoare annotation is:  true
[2020-07-20 13:05:16,413 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 549 559)  no Hoare annotation was computed.
[2020-07-20 13:05:16,413 INFO  L271        CegarLoopResult]: At program point  L554(line 554)  the Hoare annotation is:  true
[2020-07-20 13:05:16,413 INFO  L268        CegarLoopResult]: For program point  L554-1(line 554)  no Hoare annotation was computed.
[2020-07-20 13:05:16,413 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 549 559)  no Hoare annotation was computed.
[2020-07-20 13:05:16,413 INFO  L264        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 541 548)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))
[2020-07-20 13:05:16,413 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 541 548)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 541 548)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  L990(lines 990 996)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 986 999)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 986 999)  the Hoare annotation is:  true
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 986 999)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  L514-1(line 514)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  L512(lines 512 529)  no Hoare annotation was computed.
[2020-07-20 13:05:16,414 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 508 532)  no Hoare annotation was computed.
[2020-07-20 13:05:16,415 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 508 532)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,415 INFO  L264        CegarLoopResult]: At program point  L527(line 527)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,415 INFO  L268        CegarLoopResult]: For program point  L527-1(lines 508 532)  no Hoare annotation was computed.
[2020-07-20 13:05:16,415 INFO  L264        CegarLoopResult]: At program point  L522(line 522)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,415 INFO  L264        CegarLoopResult]: At program point  L518(line 518)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,415 INFO  L268        CegarLoopResult]: For program point  L516(lines 516 524)  no Hoare annotation was computed.
[2020-07-20 13:05:16,416 INFO  L264        CegarLoopResult]: At program point  L514(line 514)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,416 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 448 454)  no Hoare annotation was computed.
[2020-07-20 13:05:16,416 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 448 454)  the Hoare annotation is:  true
[2020-07-20 13:05:16,416 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 685 748)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:05:16,416 INFO  L268        CegarLoopResult]: For program point  L731(lines 731 735)  no Hoare annotation was computed.
[2020-07-20 13:05:16,416 INFO  L264        CegarLoopResult]: At program point  L731-2(lines 725 736)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:05:16,417 INFO  L268        CegarLoopResult]: For program point  L696(lines 695 740)  no Hoare annotation was computed.
[2020-07-20 13:05:16,417 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 685 748)  no Hoare annotation was computed.
[2020-07-20 13:05:16,417 INFO  L268        CegarLoopResult]: For program point  L725(lines 725 736)  no Hoare annotation was computed.
[2020-07-20 13:05:16,417 INFO  L264        CegarLoopResult]: At program point  L717(line 717)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:05:16,417 INFO  L268        CegarLoopResult]: For program point  L715(lines 715 721)  no Hoare annotation was computed.
[2020-07-20 13:05:16,417 INFO  L268        CegarLoopResult]: For program point  L715-1(lines 715 721)  no Hoare annotation was computed.
[2020-07-20 13:05:16,417 INFO  L264        CegarLoopResult]: At program point  L707(line 707)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:05:16,418 INFO  L264        CegarLoopResult]: At program point  L738(lines 695 740)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  L705(lines 705 711)  no Hoare annotation was computed.
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  L705-1(lines 705 711)  no Hoare annotation was computed.
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  L697(lines 697 701)  no Hoare annotation was computed.
[2020-07-20 13:05:16,418 INFO  L264        CegarLoopResult]: At program point  L741(lines 694 742)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)))
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 685 748)  no Hoare annotation was computed.
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 13:05:16,418 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  L333(lines 333 340)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  L327(lines 327 347)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  L327-1(lines 327 347)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 1000 1008)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 1000 1008)  the Hoare annotation is:  true
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 1000 1008)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  L962-2(lines 962 970)  no Hoare annotation was computed.
[2020-07-20 13:05:16,419 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 954 976)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 954 976)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 954 976)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  L962(lines 962 970)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  L256(lines 256 297)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  L275(line 275)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  L275-1(line 275)  no Hoare annotation was computed.
[2020-07-20 13:05:16,420 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 238)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 309)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 265)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L259-2(lines 259 279)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L280(lines 258 281)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 255)  no Hoare annotation was computed.
[2020-07-20 13:05:16,421 INFO  L268        CegarLoopResult]: For program point  L299(lines 299 306)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  L260(lines 259 279)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  L291(line 291)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  L291-1(line 291)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 648 657)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 648 657)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 648 657)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,422 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 533 540)  no Hoare annotation was computed.
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 533 540)  no Hoare annotation was computed.
[2020-07-20 13:05:16,423 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 533 540)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 605 623)  no Hoare annotation was computed.
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  L614(lines 614 618)  no Hoare annotation was computed.
[2020-07-20 13:05:16,423 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 605 623)  the Hoare annotation is:  true
[2020-07-20 13:05:16,423 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 605 623)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L271        CegarLoopResult]: At program point  L612(line 612)  the Hoare annotation is:  true
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  L614-2(lines 614 618)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  L612-1(line 612)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 977 985)  the Hoare annotation is:  true
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 977 985)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 977 985)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,424 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,425 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,425 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 933 944)  the Hoare annotation is:  true
[2020-07-20 13:05:16,425 INFO  L268        CegarLoopResult]: For program point  L937-1(lines 933 944)  no Hoare annotation was computed.
[2020-07-20 13:05:16,425 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 933 944)  no Hoare annotation was computed.
[2020-07-20 13:05:16,425 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 945 953)  the Hoare annotation is:  true
[2020-07-20 13:05:16,425 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 945 953)  no Hoare annotation was computed.
[2020-07-20 13:05:16,425 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 945 953)  no Hoare annotation was computed.
[2020-07-20 13:05:16,426 INFO  L264        CegarLoopResult]: At program point  L437(line 437)  the Hoare annotation is:  (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse4 (and .cse8 .cse5)) (or .cse1 .cse2 .cse3 .cse6 .cse7))))
[2020-07-20 13:05:16,426 INFO  L264        CegarLoopResult]: At program point  L435(lines 435 441)  the Hoare annotation is:  (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9))))
[2020-07-20 13:05:16,426 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 421 447)  the Hoare annotation is:  (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0))))
[2020-07-20 13:05:16,426 INFO  L264        CegarLoopResult]: At program point  L430(line 430)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:05:16,426 INFO  L268        CegarLoopResult]: For program point  L428(lines 424 446)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 421 447)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  L426(lines 424 446)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 421 447)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 802 831)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 802 831)  the Hoare annotation is:  true
[2020-07-20 13:05:16,427 INFO  L271        CegarLoopResult]: At program point  L827(lines 802 831)  the Hoare annotation is:  true
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  L823(line 823)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L268        CegarLoopResult]: For program point  L816(lines 816 820)  no Hoare annotation was computed.
[2020-07-20 13:05:16,427 INFO  L271        CegarLoopResult]: At program point  L816-1(lines 816 820)  the Hoare annotation is:  true
[2020-07-20 13:05:16,428 INFO  L268        CegarLoopResult]: For program point  L813(line 813)  no Hoare annotation was computed.
[2020-07-20 13:05:16,428 INFO  L271        CegarLoopResult]: At program point  L812-2(lines 812 826)  the Hoare annotation is:  true
[2020-07-20 13:05:16,428 INFO  L271        CegarLoopResult]: At program point  L808(line 808)  the Hoare annotation is:  true
[2020-07-20 13:05:16,428 INFO  L268        CegarLoopResult]: For program point  L808-1(line 808)  no Hoare annotation was computed.
[2020-07-20 13:05:16,428 INFO  L268        CegarLoopResult]: For program point  L913-1(lines 909 920)  no Hoare annotation was computed.
[2020-07-20 13:05:16,428 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 909 920)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3)))
[2020-07-20 13:05:16,428 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 909 920)  no Hoare annotation was computed.
[2020-07-20 13:05:16,429 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 856 862)  no Hoare annotation was computed.
[2020-07-20 13:05:16,429 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 856 862)  the Hoare annotation is:  true
[2020-07-20 13:05:16,429 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,429 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:05:16,429 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:05:16,429 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,429 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,429 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480)  no Hoare annotation was computed.
[2020-07-20 13:05:16,430 INFO  L264        CegarLoopResult]: At program point  L475(line 475)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,430 INFO  L268        CegarLoopResult]: For program point  L475-1(lines 456 480)  no Hoare annotation was computed.
[2020-07-20 13:05:16,430 INFO  L264        CegarLoopResult]: At program point  L470(line 470)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0)))))
[2020-07-20 13:05:16,430 INFO  L264        CegarLoopResult]: At program point  L466(line 466)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,430 INFO  L268        CegarLoopResult]: For program point  L464(lines 464 472)  no Hoare annotation was computed.
[2020-07-20 13:05:16,430 INFO  L264        CegarLoopResult]: At program point  L462(line 462)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,430 INFO  L268        CegarLoopResult]: For program point  L462-1(line 462)  no Hoare annotation was computed.
[2020-07-20 13:05:16,430 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 477)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 921 932)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  L925-1(lines 921 932)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 921 932)  the Hoare annotation is:  (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 898 905)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 898 905)  the Hoare annotation is:  true
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 898 905)  no Hoare annotation was computed.
[2020-07-20 13:05:16,431 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506)  no Hoare annotation was computed.
[2020-07-20 13:05:16,432 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,432 INFO  L264        CegarLoopResult]: At program point  L501(line 501)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:16,432 INFO  L268        CegarLoopResult]: For program point  L501-1(lines 482 506)  no Hoare annotation was computed.
[2020-07-20 13:05:16,432 INFO  L264        CegarLoopResult]: At program point  L496(line 496)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,432 INFO  L264        CegarLoopResult]: At program point  L492(line 492)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,432 INFO  L268        CegarLoopResult]: For program point  L490(lines 490 498)  no Hoare annotation was computed.
[2020-07-20 13:05:16,433 INFO  L264        CegarLoopResult]: At program point  L488(line 488)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:16,433 INFO  L268        CegarLoopResult]: For program point  L488-1(line 488)  no Hoare annotation was computed.
[2020-07-20 13:05:16,433 INFO  L268        CegarLoopResult]: For program point  L486(lines 486 503)  no Hoare annotation was computed.
[2020-07-20 13:05:16,451 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:16 BoogieIcfgContainer
[2020-07-20 13:05:16,451 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:05:16,453 INFO  L168              Benchmark]: Toolchain (without parser) took 18068.44 ms. Allocated memory was 138.9 MB in the beginning and 400.6 MB in the end (delta: 261.6 MB). Free memory was 102.6 MB in the beginning and 141.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 276.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,454 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,455 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 695.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 170.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,456 INFO  L168              Benchmark]: Boogie Preprocessor took 107.59 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,457 INFO  L168              Benchmark]: RCFGBuilder took 1112.21 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 166.1 MB in the beginning and 192.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,457 INFO  L168              Benchmark]: TraceAbstraction took 16145.71 ms. Allocated memory was 237.5 MB in the beginning and 400.6 MB in the end (delta: 163.1 MB). Free memory was 192.4 MB in the beginning and 141.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 267.6 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,461 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 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 695.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 170.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 107.59 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1112.21 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 166.1 MB in the beginning and 192.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 16145.71 ms. Allocated memory was 237.5 MB in the beginning and 400.6 MB in the end (delta: 163.1 MB). Free memory was 192.4 MB in the beginning and 141.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 267.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 902]: 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: 802]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 695]: Loop Invariant
    Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning)
  - InvariantResult [Line: 694]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive)
  - InvariantResult [Line: 812]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2037 SDtfs, 1432 SDslu, 3382 SDs, 0 SdLazy, 1969 SolverSat, 567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1079 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 190 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1000 PreInvPairs, 1075 NumberOfFragments, 1692 HoareAnnotationTreeSize, 1000 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 7979 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 949 NumberOfCodeBlocks, 834 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 244737 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7448 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 93/119 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...