/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_product47.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:04:50,102 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:04:50,104 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:04:50,117 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:04:50,117 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:04:50,119 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:04:50,120 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:04:50,122 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:04:50,124 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:04:50,125 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:04:50,126 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:04:50,127 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:04:50,127 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:04:50,128 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:04:50,129 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:04:50,130 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:04:50,131 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:04:50,132 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:04:50,134 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:04:50,136 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:04:50,137 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:04:50,138 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:04:50,139 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:04:50,140 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:04:50,142 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:04:50,143 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:04:50,143 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:04:50,144 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:04:50,144 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:04:50,145 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:04:50,145 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:04:50,146 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:04:50,147 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:04:50,147 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:04:50,148 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:04:50,149 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:04:50,149 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:04:50,150 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:04:50,150 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:04:50,151 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:04:50,151 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:04:50,152 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 13:04:50,166 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:04:50,166 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:04:50,168 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:04:50,168 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:04:50,168 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:04:50,168 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:04:50,169 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:04:50,169 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:04:50,169 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:04:50,169 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:04:50,169 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:04:50,170 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:04:50,171 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:04:50,171 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:04:50,171 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:04:50,171 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:04:50,171 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:50,172 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:04:50,172 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:04:50,172 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:04:50,172 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:04:50,173 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:50,173 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:04:50,173 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:04:50,173 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 13:04:50,520 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:04:50,537 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:04:50,541 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:04:50,543 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:04:50,543 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:04:50,544 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c
[2020-07-20 13:04:50,626 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48063860e/e724933903024b66812850e80ec4f129/FLAG2654c5b02
[2020-07-20 13:04:51,219 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:04:51,223 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c
[2020-07-20 13:04:51,242 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48063860e/e724933903024b66812850e80ec4f129/FLAG2654c5b02
[2020-07-20 13:04:51,444 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48063860e/e724933903024b66812850e80ec4f129
[2020-07-20 13:04:51,452 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:04:51,456 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:04:51,457 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:51,457 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:04:51,461 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:04:51,463 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:51" (1/1) ...
[2020-07-20 13:04:51,465 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4909022c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:51, skipping insertion in model container
[2020-07-20 13:04:51,466 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:51" (1/1) ...
[2020-07-20 13:04:51,473 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:04:51,538 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:04:51,962 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:51,986 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:04:52,114 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:52,151 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:04:52,151 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52 WrapperNode
[2020-07-20 13:04:52,151 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:52,152 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:04:52,152 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:04:52,152 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:04:52,163 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,164 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,183 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,183 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,214 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,226 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,231 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (1/1) ...
[2020-07-20 13:04:52,238 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:04:52,239 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:04:52,239 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:04:52,239 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:04:52,240 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (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 13:04:52,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:04:52,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:04:52,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:52,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:04:52,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:04:52,295 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:52,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 13:04:52,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:04:52,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:52,296 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:04:52,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:04:52,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:04:52,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:04:52,297 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:04:52,298 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:04:52,298 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-20 13:04:52,298 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:04:52,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:04:52,299 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:04:52,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:04:52,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:04:52,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:04:52,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:52,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:52,301 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:52,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:04:52,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:04:52,303 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:04:52,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:04:52,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:04:52,304 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:04:52,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:04:52,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:04:52,306 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:04:52,306 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:04:52,307 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:04:52,308 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:04:52,309 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:52,310 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:04:52,310 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:04:52,310 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:04:52,311 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:04:52,311 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:04:52,311 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:04:52,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:04:52,313 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:04:52,313 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:52,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:04:52,313 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:04:52,314 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:04:55,452 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:04:55,452 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:04:55,458 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:55 BoogieIcfgContainer
[2020-07-20 13:04:55,458 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:04:55,459 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:04:55,459 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:04:55,462 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:04:55,463 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:51" (1/3) ...
[2020-07-20 13:04:55,463 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a4b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:55, skipping insertion in model container
[2020-07-20 13:04:55,464 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:52" (2/3) ...
[2020-07-20 13:04:55,464 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a4b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:55, skipping insertion in model container
[2020-07-20 13:04:55,464 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:55" (3/3) ...
[2020-07-20 13:04:55,466 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c
[2020-07-20 13:04:55,476 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:04:55,484 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:04:55,496 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:04:55,518 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:04:55,518 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:04:55,519 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:04:55,519 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:04:55,519 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:04:55,519 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:04:55,519 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:04:55,520 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:04:55,548 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states.
[2020-07-20 13:04:55,559 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 13:04:55,559 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:55,560 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 13:04:55,560 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:55,566 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:55,567 INFO  L82        PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times
[2020-07-20 13:04:55,576 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:55,576 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905540627]
[2020-07-20 13:04:55,577 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 13:04:56,079 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:56,079 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:56,087 INFO  L263         TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:04:56,096 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:56,128 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 13:04:56,129 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:56,130 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905540627]
[2020-07-20 13:04:56,131 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:56,131 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:04:56,132 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510371833]
[2020-07-20 13:04:56,137 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:04:56,138 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:56,152 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:04:56,153 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:04:56,155 INFO  L87              Difference]: Start difference. First operand 192 states. Second operand 2 states.
[2020-07-20 13:04:56,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:56,210 INFO  L93              Difference]: Finished difference Result 294 states and 365 transitions.
[2020-07-20 13:04:56,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:04:56,214 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 13:04:56,215 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:56,234 INFO  L225             Difference]: With dead ends: 294
[2020-07-20 13:04:56,234 INFO  L226             Difference]: Without dead ends: 149
[2020-07-20 13:04:56,239 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 13:04:56,255 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2020-07-20 13:04:56,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149.
[2020-07-20 13:04:56,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 149 states.
[2020-07-20 13:04:56,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions.
[2020-07-20 13:04:56,294 INFO  L78                 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59
[2020-07-20 13:04:56,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:56,295 INFO  L479      AbstractCegarLoop]: Abstraction has 149 states and 176 transitions.
[2020-07-20 13:04:56,295 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:04:56,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions.
[2020-07-20 13:04:56,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 13:04:56,299 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:56,299 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 13:04:56,504 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:56,505 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:56,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:56,505 INFO  L82        PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times
[2020-07-20 13:04:56,506 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:56,506 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772586078]
[2020-07-20 13:04:56,507 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 13:04:57,015 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:57,015 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:57,021 INFO  L263         TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:04:57,026 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:57,076 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 13:04:57,076 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:57,077 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772586078]
[2020-07-20 13:04:57,077 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:57,077 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:57,077 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252326775]
[2020-07-20 13:04:57,079 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:57,079 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:57,080 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:57,080 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:57,080 INFO  L87              Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states.
[2020-07-20 13:04:57,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:57,123 INFO  L93              Difference]: Finished difference Result 389 states and 474 transitions.
[2020-07-20 13:04:57,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:04:57,124 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2020-07-20 13:04:57,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:57,129 INFO  L225             Difference]: With dead ends: 389
[2020-07-20 13:04:57,130 INFO  L226             Difference]: Without dead ends: 268
[2020-07-20 13:04:57,132 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 13:04:57,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2020-07-20 13:04:57,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264.
[2020-07-20 13:04:57,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 264 states.
[2020-07-20 13:04:57,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 319 transitions.
[2020-07-20 13:04:57,181 INFO  L78                 Accepts]: Start accepts. Automaton has 264 states and 319 transitions. Word has length 64
[2020-07-20 13:04:57,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:57,182 INFO  L479      AbstractCegarLoop]: Abstraction has 264 states and 319 transitions.
[2020-07-20 13:04:57,182 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:57,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 319 transitions.
[2020-07-20 13:04:57,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-20 13:04:57,189 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:57,193 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]
[2020-07-20 13:04:57,406 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:57,407 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:57,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:57,407 INFO  L82        PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times
[2020-07-20 13:04:57,407 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:57,408 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757580655]
[2020-07-20 13:04:57,408 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 13:04:57,882 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:57,883 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:57,888 INFO  L263         TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:57,893 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:57,927 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 13:04:57,928 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:57,928 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757580655]
[2020-07-20 13:04:57,928 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:57,929 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:57,929 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726136771]
[2020-07-20 13:04:57,929 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:57,930 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:57,930 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:57,930 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:57,931 INFO  L87              Difference]: Start difference. First operand 264 states and 319 transitions. Second operand 6 states.
[2020-07-20 13:04:58,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:58,307 INFO  L93              Difference]: Finished difference Result 658 states and 839 transitions.
[2020-07-20 13:04:58,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:04:58,307 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 70
[2020-07-20 13:04:58,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:58,313 INFO  L225             Difference]: With dead ends: 658
[2020-07-20 13:04:58,313 INFO  L226             Difference]: Without dead ends: 422
[2020-07-20 13:04:58,316 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 13:04:58,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 422 states.
[2020-07-20 13:04:58,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412.
[2020-07-20 13:04:58,354 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 412 states.
[2020-07-20 13:04:58,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 505 transitions.
[2020-07-20 13:04:58,358 INFO  L78                 Accepts]: Start accepts. Automaton has 412 states and 505 transitions. Word has length 70
[2020-07-20 13:04:58,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:58,361 INFO  L479      AbstractCegarLoop]: Abstraction has 412 states and 505 transitions.
[2020-07-20 13:04:58,361 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:58,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 412 states and 505 transitions.
[2020-07-20 13:04:58,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2020-07-20 13:04:58,368 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:58,368 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, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:58,582 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:58,583 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:58,584 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:58,584 INFO  L82        PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times
[2020-07-20 13:04:58,585 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:58,585 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477621367]
[2020-07-20 13:04:58,586 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 13:04:58,976 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:58,977 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:58,983 INFO  L263         TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:04:58,988 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:59,021 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 13:04:59,021 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:59,022 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477621367]
[2020-07-20 13:04:59,022 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:59,022 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:59,022 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689938907]
[2020-07-20 13:04:59,023 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:59,023 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:59,023 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:59,024 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:59,024 INFO  L87              Difference]: Start difference. First operand 412 states and 505 transitions. Second operand 3 states.
[2020-07-20 13:04:59,094 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:59,095 INFO  L93              Difference]: Finished difference Result 1172 states and 1561 transitions.
[2020-07-20 13:04:59,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:04:59,095 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 107
[2020-07-20 13:04:59,096 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:59,102 INFO  L225             Difference]: With dead ends: 1172
[2020-07-20 13:04:59,103 INFO  L226             Difference]: Without dead ends: 788
[2020-07-20 13:04:59,105 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 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 13:04:59,106 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 788 states.
[2020-07-20 13:04:59,151 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785.
[2020-07-20 13:04:59,151 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 785 states.
[2020-07-20 13:04:59,157 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1016 transitions.
[2020-07-20 13:04:59,158 INFO  L78                 Accepts]: Start accepts. Automaton has 785 states and 1016 transitions. Word has length 107
[2020-07-20 13:04:59,158 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:59,158 INFO  L479      AbstractCegarLoop]: Abstraction has 785 states and 1016 transitions.
[2020-07-20 13:04:59,158 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:59,159 INFO  L276                IsEmpty]: Start isEmpty. Operand 785 states and 1016 transitions.
[2020-07-20 13:04:59,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2020-07-20 13:04:59,162 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:04:59,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:59,375 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:59,376 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:59,377 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:59,377 INFO  L82        PathProgramCache]: Analyzing trace with hash 257320022, now seen corresponding path program 1 times
[2020-07-20 13:04:59,378 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:59,378 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497271740]
[2020-07-20 13:04:59,379 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 13:04:59,871 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:59,872 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:59,878 INFO  L263         TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 13 conjunts are in the unsatisfiable core
[2020-07-20 13:04:59,882 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:59,937 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 13:04:59,937 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:59,937 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497271740]
[2020-07-20 13:04:59,937 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:59,938 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:59,938 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463521996]
[2020-07-20 13:04:59,939 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:59,939 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:59,939 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:59,939 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:59,940 INFO  L87              Difference]: Start difference. First operand 785 states and 1016 transitions. Second operand 6 states.
[2020-07-20 13:05:01,296 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:01,297 INFO  L93              Difference]: Finished difference Result 2691 states and 3860 transitions.
[2020-07-20 13:05:01,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-07-20 13:05:01,297 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 111
[2020-07-20 13:05:01,298 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:01,312 INFO  L225             Difference]: With dead ends: 2691
[2020-07-20 13:05:01,312 INFO  L226             Difference]: Without dead ends: 1934
[2020-07-20 13:05:01,316 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-07-20 13:05:01,319 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1934 states.
[2020-07-20 13:05:01,411 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1722.
[2020-07-20 13:05:01,411 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1722 states.
[2020-07-20 13:05:01,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2400 transitions.
[2020-07-20 13:05:01,424 INFO  L78                 Accepts]: Start accepts. Automaton has 1722 states and 2400 transitions. Word has length 111
[2020-07-20 13:05:01,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:01,425 INFO  L479      AbstractCegarLoop]: Abstraction has 1722 states and 2400 transitions.
[2020-07-20 13:05:01,425 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:01,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 1722 states and 2400 transitions.
[2020-07-20 13:05:01,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-07-20 13:05:01,427 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:01,428 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, 1, 1]
[2020-07-20 13:05:01,640 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:01,641 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:01,641 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:01,642 INFO  L82        PathProgramCache]: Analyzing trace with hash -1132412678, now seen corresponding path program 1 times
[2020-07-20 13:05:01,642 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,642 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091782025]
[2020-07-20 13:05:01,642 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 13:05:01,907 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 13:05:01,907 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:01,910 INFO  L263         TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:05:01,914 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:01,935 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 13:05:01,936 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:01,936 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091782025]
[2020-07-20 13:05:01,936 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:01,936 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:01,937 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267420030]
[2020-07-20 13:05:01,937 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:01,937 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,937 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:01,938 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:01,938 INFO  L87              Difference]: Start difference. First operand 1722 states and 2400 transitions. Second operand 3 states.
[2020-07-20 13:05:01,995 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:01,996 INFO  L93              Difference]: Finished difference Result 2837 states and 3715 transitions.
[2020-07-20 13:05:01,996 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:01,996 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 103
[2020-07-20 13:05:01,997 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:02,005 INFO  L225             Difference]: With dead ends: 2837
[2020-07-20 13:05:02,006 INFO  L226             Difference]: Without dead ends: 1542
[2020-07-20 13:05:02,050 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 13:05:02,054 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1542 states.
[2020-07-20 13:05:02,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542.
[2020-07-20 13:05:02,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1542 states.
[2020-07-20 13:05:02,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 1992 transitions.
[2020-07-20 13:05:02,126 INFO  L78                 Accepts]: Start accepts. Automaton has 1542 states and 1992 transitions. Word has length 103
[2020-07-20 13:05:02,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:02,127 INFO  L479      AbstractCegarLoop]: Abstraction has 1542 states and 1992 transitions.
[2020-07-20 13:05:02,127 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:02,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 1542 states and 1992 transitions.
[2020-07-20 13:05:02,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2020-07-20 13:05:02,129 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:02,129 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, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:02,343 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,344 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:02,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:02,345 INFO  L82        PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times
[2020-07-20 13:05:02,345 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,346 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058895482]
[2020-07-20 13:05:02,346 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 13:05:02,679 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:02,679 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:02,684 INFO  L263         TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:05:02,687 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:02,723 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 13:05:02,724 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:02,724 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058895482]
[2020-07-20 13:05:02,724 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:02,724 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:02,725 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275032942]
[2020-07-20 13:05:02,725 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:02,725 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,726 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:02,726 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:02,726 INFO  L87              Difference]: Start difference. First operand 1542 states and 1992 transitions. Second operand 6 states.
[2020-07-20 13:05:02,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:02,824 INFO  L93              Difference]: Finished difference Result 3098 states and 4218 transitions.
[2020-07-20 13:05:02,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:05:02,825 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 107
[2020-07-20 13:05:02,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:02,837 INFO  L225             Difference]: With dead ends: 3098
[2020-07-20 13:05:02,837 INFO  L226             Difference]: Without dead ends: 1584
[2020-07-20 13:05:02,846 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 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 13:05:02,849 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1584 states.
[2020-07-20 13:05:02,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1572.
[2020-07-20 13:05:02,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1572 states.
[2020-07-20 13:05:02,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2030 transitions.
[2020-07-20 13:05:02,941 INFO  L78                 Accepts]: Start accepts. Automaton has 1572 states and 2030 transitions. Word has length 107
[2020-07-20 13:05:02,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:02,942 INFO  L479      AbstractCegarLoop]: Abstraction has 1572 states and 2030 transitions.
[2020-07-20 13:05:02,942 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:02,942 INFO  L276                IsEmpty]: Start isEmpty. Operand 1572 states and 2030 transitions.
[2020-07-20 13:05:02,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2020-07-20 13:05:02,959 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:02,960 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, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:03,160 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:03,161 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:03,161 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:03,161 INFO  L82        PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times
[2020-07-20 13:05:03,162 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,162 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178292149]
[2020-07-20 13:05:03,162 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 13:05:03,528 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:03,528 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:03,532 INFO  L263         TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:05:03,534 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:03,566 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 13:05:03,567 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:03,567 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178292149]
[2020-07-20 13:05:03,567 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:03,567 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:05:03,568 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233825334]
[2020-07-20 13:05:03,568 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:05:03,568 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,569 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:05:03,569 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:05:03,569 INFO  L87              Difference]: Start difference. First operand 1572 states and 2030 transitions. Second operand 5 states.
[2020-07-20 13:05:03,670 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:03,671 INFO  L93              Difference]: Finished difference Result 2906 states and 3854 transitions.
[2020-07-20 13:05:03,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:05:03,674 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 107
[2020-07-20 13:05:03,675 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:03,692 INFO  L225             Difference]: With dead ends: 2906
[2020-07-20 13:05:03,692 INFO  L226             Difference]: Without dead ends: 1362
[2020-07-20 13:05:03,702 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 13:05:03,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1362 states.
[2020-07-20 13:05:03,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362.
[2020-07-20 13:05:03,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1362 states.
[2020-07-20 13:05:03,766 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1736 transitions.
[2020-07-20 13:05:03,767 INFO  L78                 Accepts]: Start accepts. Automaton has 1362 states and 1736 transitions. Word has length 107
[2020-07-20 13:05:03,767 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:03,767 INFO  L479      AbstractCegarLoop]: Abstraction has 1362 states and 1736 transitions.
[2020-07-20 13:05:03,767 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:05:03,768 INFO  L276                IsEmpty]: Start isEmpty. Operand 1362 states and 1736 transitions.
[2020-07-20 13:05:03,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2020-07-20 13:05:03,770 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:03,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:03,984 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:03,985 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:03,986 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:03,986 INFO  L82        PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times
[2020-07-20 13:05:03,986 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,987 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447322589]
[2020-07-20 13:05:03,987 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 13:05:04,437 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:04,438 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:04,445 INFO  L263         TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 13:05:04,449 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:04,548 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 13:05:04,548 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:04,549 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447322589]
[2020-07-20 13:05:04,549 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:04,549 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 13:05:04,549 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236151137]
[2020-07-20 13:05:04,550 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:04,550 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:04,550 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:04,551 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:04,551 INFO  L87              Difference]: Start difference. First operand 1362 states and 1736 transitions. Second operand 10 states.
[2020-07-20 13:05:06,305 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:06,305 INFO  L93              Difference]: Finished difference Result 3457 states and 4861 transitions.
[2020-07-20 13:05:06,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-07-20 13:05:06,306 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 111
[2020-07-20 13:05:06,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:06,332 INFO  L225             Difference]: With dead ends: 3457
[2020-07-20 13:05:06,332 INFO  L226             Difference]: Without dead ends: 2123
[2020-07-20 13:05:06,339 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420
[2020-07-20 13:05:06,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2123 states.
[2020-07-20 13:05:06,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1495.
[2020-07-20 13:05:06,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1495 states.
[2020-07-20 13:05:06,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1846 transitions.
[2020-07-20 13:05:06,455 INFO  L78                 Accepts]: Start accepts. Automaton has 1495 states and 1846 transitions. Word has length 111
[2020-07-20 13:05:06,455 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:06,455 INFO  L479      AbstractCegarLoop]: Abstraction has 1495 states and 1846 transitions.
[2020-07-20 13:05:06,455 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:06,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 1495 states and 1846 transitions.
[2020-07-20 13:05:06,459 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-07-20 13:05:06,459 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:06,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:06,672 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:06,673 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:06,673 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:06,673 INFO  L82        PathProgramCache]: Analyzing trace with hash 1275430475, now seen corresponding path program 1 times
[2020-07-20 13:05:06,673 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,674 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877224202]
[2020-07-20 13:05:06,674 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 13:05:07,027 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 13:05:07,028 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:07,032 INFO  L263         TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-20 13:05:07,036 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:07,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-07-20 13:05:07,066 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:07,066 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877224202]
[2020-07-20 13:05:07,067 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:07,067 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:07,067 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012611736]
[2020-07-20 13:05:07,068 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:07,068 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,068 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:07,068 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:07,068 INFO  L87              Difference]: Start difference. First operand 1495 states and 1846 transitions. Second operand 3 states.
[2020-07-20 13:05:07,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:07,185 INFO  L93              Difference]: Finished difference Result 1856 states and 2287 transitions.
[2020-07-20 13:05:07,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:07,186 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 152
[2020-07-20 13:05:07,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:07,190 INFO  L225             Difference]: With dead ends: 1856
[2020-07-20 13:05:07,190 INFO  L226             Difference]: Without dead ends: 692
[2020-07-20 13:05:07,193 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 13:05:07,195 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 692 states.
[2020-07-20 13:05:07,224 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 674.
[2020-07-20 13:05:07,224 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 674 states.
[2020-07-20 13:05:07,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 801 transitions.
[2020-07-20 13:05:07,226 INFO  L78                 Accepts]: Start accepts. Automaton has 674 states and 801 transitions. Word has length 152
[2020-07-20 13:05:07,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:07,227 INFO  L479      AbstractCegarLoop]: Abstraction has 674 states and 801 transitions.
[2020-07-20 13:05:07,227 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:07,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 674 states and 801 transitions.
[2020-07-20 13:05:07,229 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-07-20 13:05:07,229 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:07,230 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, 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]
[2020-07-20 13:05:07,443 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,444 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:07,444 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:07,445 INFO  L82        PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times
[2020-07-20 13:05:07,445 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,446 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86416032]
[2020-07-20 13:05:07,446 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,919 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:07,919 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:07,925 INFO  L263         TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:05:07,929 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:07,992 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:07,992 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:05:08,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2020-07-20 13:05:08,528 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86416032]
[2020-07-20 13:05:08,528 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:05:08,529 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 13:05:08,529 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987353493]
[2020-07-20 13:05:08,530 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:08,530 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:08,531 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:08,531 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:08,531 INFO  L87              Difference]: Start difference. First operand 674 states and 801 transitions. Second operand 10 states.
[2020-07-20 13:05:09,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:09,589 INFO  L93              Difference]: Finished difference Result 1449 states and 1751 transitions.
[2020-07-20 13:05:09,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-07-20 13:05:09,590 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 170
[2020-07-20 13:05:09,590 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:09,591 INFO  L225             Difference]: With dead ends: 1449
[2020-07-20 13:05:09,591 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:05:09,595 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 327 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2020-07-20 13:05:09,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:05:09,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:05:09,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:05:09,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:05:09,597 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170
[2020-07-20 13:05:09,597 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:09,597 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:05:09,597 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:09,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:05:09,597 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:05:09,809 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:09,813 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:05:11,978 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27
[2020-07-20 13:05:12,457 WARN  L193               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26
[2020-07-20 13:05:13,057 WARN  L193               SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51
[2020-07-20 13:05:13,545 WARN  L193               SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47
[2020-07-20 13:05:13,828 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33
[2020-07-20 13:05:13,962 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33
[2020-07-20 13:05:14,195 WARN  L193               SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36
[2020-07-20 13:05:14,320 WARN  L193               SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25
[2020-07-20 13:05:14,548 WARN  L193               SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27
[2020-07-20 13:05:14,764 WARN  L193               SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27
[2020-07-20 13:05:15,067 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32
[2020-07-20 13:05:15,436 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37
[2020-07-20 13:05:15,756 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41
[2020-07-20 13:05:16,442 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32
[2020-07-20 13:05:16,624 INFO  L268        CegarLoopResult]: For program point  L544(lines 521 545)  no Hoare annotation was computed.
[2020-07-20 13:05:16,624 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 497 552)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  L528(lines 528 532)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 528 532)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  L523(line 523)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  L522-2(lines 522 543)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 497 552)  no Hoare annotation was computed.
[2020-07-20 13:05:16,625 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 497 552)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  L579-2(lines 579 604)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  L605(lines 578 606)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  L598(line 598)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 553 612)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  L598-1(line 598)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 553 612)  no Hoare annotation was computed.
[2020-07-20 13:05:16,626 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 553 612)  no Hoare annotation was computed.
[2020-07-20 13:05:16,627 INFO  L268        CegarLoopResult]: For program point  L585(lines 585 589)  no Hoare annotation was computed.
[2020-07-20 13:05:16,627 INFO  L268        CegarLoopResult]: For program point  L585-1(lines 585 589)  no Hoare annotation was computed.
[2020-07-20 13:05:16,627 INFO  L268        CegarLoopResult]: For program point  L580(line 580)  no Hoare annotation was computed.
[2020-07-20 13:05:16,627 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 829 835)  the Hoare annotation is:  true
[2020-07-20 13:05:16,627 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 829 835)  no Hoare annotation was computed.
[2020-07-20 13:05:16,627 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 836 844)  no Hoare annotation was computed.
[2020-07-20 13:05:16,628 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 836 844)  the Hoare annotation is:  true
[2020-07-20 13:05:16,628 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 836 844)  no Hoare annotation was computed.
[2020-07-20 13:05:16,628 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 848 855)  the Hoare annotation is:  true
[2020-07-20 13:05:16,628 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 848 855)  no Hoare annotation was computed.
[2020-07-20 13:05:16,628 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 848 855)  no Hoare annotation was computed.
[2020-07-20 13:05:16,628 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 856 865)  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 13:05:16,628 INFO  L268        CegarLoopResult]: For program point  L861(line 861)  no Hoare annotation was computed.
[2020-07-20 13:05:16,629 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 856 865)  no Hoare annotation was computed.
[2020-07-20 13:05:16,629 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 856 865)  no Hoare annotation was computed.
[2020-07-20 13:05:16,629 INFO  L264        CegarLoopResult]: At program point  L881(line 881)  the Hoare annotation is:  (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3)))
[2020-07-20 13:05:16,629 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 866 894)  the Hoare annotation is:  true
[2020-07-20 13:05:16,629 INFO  L268        CegarLoopResult]: For program point  L879(lines 879 885)  no Hoare annotation was computed.
[2020-07-20 13:05:16,629 INFO  L268        CegarLoopResult]: For program point  L878(lines 878 888)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L264        CegarLoopResult]: At program point  L876(line 876)  the Hoare annotation is:  (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:05:16,630 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 866 894)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L268        CegarLoopResult]: For program point  L876-1(line 876)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 891)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L268        CegarLoopResult]: For program point  L874-1(lines 866 894)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L271        CegarLoopResult]: At program point  L872(line 872)  the Hoare annotation is:  true
[2020-07-20 13:05:16,630 INFO  L268        CegarLoopResult]: For program point  L872-1(line 872)  no Hoare annotation was computed.
[2020-07-20 13:05:16,630 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 421 443)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,631 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 421 443)  no Hoare annotation was computed.
[2020-07-20 13:05:16,631 INFO  L264        CegarLoopResult]: At program point  L433(line 433)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,631 INFO  L264        CegarLoopResult]: At program point  L433-1(line 433)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,631 INFO  L268        CegarLoopResult]: For program point  L431(lines 431 438)  no Hoare annotation was computed.
[2020-07-20 13:05:16,631 INFO  L268        CegarLoopResult]: For program point  L431-1(lines 431 438)  no Hoare annotation was computed.
[2020-07-20 13:05:16,631 INFO  L268        CegarLoopResult]: For program point  L429(line 429)  no Hoare annotation was computed.
[2020-07-20 13:05:16,631 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 421 443)  no Hoare annotation was computed.
[2020-07-20 13:05:16,632 INFO  L264        CegarLoopResult]: At program point  L428(line 428)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,632 INFO  L264        CegarLoopResult]: At program point  L427(line 427)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,632 INFO  L264        CegarLoopResult]: At program point  L427-1(line 427)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,632 INFO  L268        CegarLoopResult]: For program point  L385(line 385)  no Hoare annotation was computed.
[2020-07-20 13:05:16,632 INFO  L268        CegarLoopResult]: For program point  L384(line 384)  no Hoare annotation was computed.
[2020-07-20 13:05:16,632 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 375 398)  no Hoare annotation was computed.
[2020-07-20 13:05:16,632 INFO  L268        CegarLoopResult]: For program point  L383(line 383)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L382(line 382)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L381(line 381)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 375 398)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L380(line 380)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 375 398)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L393(line 393)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L392(line 392)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L391(line 391)  no Hoare annotation was computed.
[2020-07-20 13:05:16,633 INFO  L268        CegarLoopResult]: For program point  L390(line 390)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L268        CegarLoopResult]: For program point  L389(line 389)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L268        CegarLoopResult]: For program point  L388(line 388)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L268        CegarLoopResult]: For program point  L387(line 387)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L268        CegarLoopResult]: For program point  L386(line 386)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L264        CegarLoopResult]: At program point  L118(line 118)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,634 INFO  L268        CegarLoopResult]: For program point  L118-1(lines 99 123)  no Hoare annotation was computed.
[2020-07-20 13:05:16,634 INFO  L264        CegarLoopResult]: At program point  L113(line 113)  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__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0)))))
[2020-07-20 13:05:16,635 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryENTRY(lines 99 123)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,635 INFO  L264        CegarLoopResult]: At program point  L109(line 109)  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 13:05:16,635 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 99 123)  no Hoare annotation was computed.
[2020-07-20 13:05:16,635 INFO  L268        CegarLoopResult]: For program point  L107(lines 107 115)  no Hoare annotation was computed.
[2020-07-20 13:05:16,635 INFO  L264        CegarLoopResult]: At program point  L105(line 105)  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 13:05:16,635 INFO  L268        CegarLoopResult]: For program point  L105-1(line 105)  no Hoare annotation was computed.
[2020-07-20 13:05:16,635 INFO  L268        CegarLoopResult]: For program point  L103(lines 103 120)  no Hoare annotation was computed.
[2020-07-20 13:05:16,636 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 258 272)  no Hoare annotation was computed.
[2020-07-20 13:05:16,636 INFO  L264        CegarLoopResult]: At program point  L264(line 264)  the Hoare annotation is:  (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:05:16,636 INFO  L268        CegarLoopResult]: For program point  L262(lines 262 268)  no Hoare annotation was computed.
[2020-07-20 13:05:16,636 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 258 272)  the Hoare annotation is:  (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|)))))
[2020-07-20 13:05:16,636 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 258 272)  no Hoare annotation was computed.
[2020-07-20 13:05:16,636 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 194 202)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 194 202)  the Hoare annotation is:  true
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 194 202)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L222(lines 222 230)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L222-2(lines 222 230)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 218)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L210-2(lines 210 218)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 203 238)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L233(line 233)  no Hoare annotation was computed.
[2020-07-20 13:05:16,637 INFO  L268        CegarLoopResult]: For program point  L233-1(line 233)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 203 238)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 203 238)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 822 828)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 822 828)  the Hoare annotation is:  true
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 451 496)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 451 496)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 451 496)  no Hoare annotation was computed.
[2020-07-20 13:05:16,638 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 764 809)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L268        CegarLoopResult]: For program point  L784(lines 784 791)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 764 809)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L268        CegarLoopResult]: For program point  L778(lines 778 798)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L268        CegarLoopResult]: For program point  L778-1(lines 778 798)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 764 809)  no Hoare annotation was computed.
[2020-07-20 13:05:16,639 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 407 417)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,639 INFO  L264        CegarLoopResult]: At program point  L412(line 412)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,640 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 407 417)  no Hoare annotation was computed.
[2020-07-20 13:05:16,640 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 407 417)  no Hoare annotation was computed.
[2020-07-20 13:05:16,640 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 183 193)  the Hoare annotation is:  true
[2020-07-20 13:05:16,640 INFO  L271        CegarLoopResult]: At program point  L188(line 188)  the Hoare annotation is:  true
[2020-07-20 13:05:16,640 INFO  L268        CegarLoopResult]: For program point  L188-1(line 188)  no Hoare annotation was computed.
[2020-07-20 13:05:16,640 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 183 193)  no Hoare annotation was computed.
[2020-07-20 13:05:16,640 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 183 193)  no Hoare annotation was computed.
[2020-07-20 13:05:16,640 INFO  L264        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 175 182)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 175 182)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 175 182)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 975 988)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  L979(lines 979 985)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 975 988)  the Hoare annotation is:  true
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 975 988)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  L129(lines 129 146)  no Hoare annotation was computed.
[2020-07-20 13:05:16,641 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 125 149)  no Hoare annotation was computed.
[2020-07-20 13:05:16,642 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 125 149)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,642 INFO  L264        CegarLoopResult]: At program point  L144(line 144)  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 13:05:16,642 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 125 149)  no Hoare annotation was computed.
[2020-07-20 13:05:16,642 INFO  L264        CegarLoopResult]: At program point  L139(line 139)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,642 INFO  L264        CegarLoopResult]: At program point  L135(line 135)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,642 INFO  L268        CegarLoopResult]: For program point  L133(lines 133 141)  no Hoare annotation was computed.
[2020-07-20 13:05:16,643 INFO  L264        CegarLoopResult]: At program point  L131(line 131)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:05:16,643 INFO  L268        CegarLoopResult]: For program point  L131-1(line 131)  no Hoare annotation was computed.
[2020-07-20 13:05:16,643 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 91 97)  no Hoare annotation was computed.
[2020-07-20 13:05:16,643 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 91 97)  the Hoare annotation is:  true
[2020-07-20 13:05:16,643 INFO  L268        CegarLoopResult]: For program point  L289(lines 289 293)  no Hoare annotation was computed.
[2020-07-20 13:05:16,643 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 277 342)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,643 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 277 342)  no Hoare annotation was computed.
[2020-07-20 13:05:16,643 INFO  L264        CegarLoopResult]: At program point  L335(lines 286 336)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:16,644 INFO  L264        CegarLoopResult]: At program point  L325(line 325)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0)))
[2020-07-20 13:05:16,644 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 329)  no Hoare annotation was computed.
[2020-07-20 13:05:16,644 INFO  L264        CegarLoopResult]: At program point  L323-1(lines 317 330)  the Hoare annotation is:  (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 13:05:16,644 INFO  L268        CegarLoopResult]: For program point  L288(lines 287 334)  no Hoare annotation was computed.
[2020-07-20 13:05:16,644 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 330)  no Hoare annotation was computed.
[2020-07-20 13:05:16,644 INFO  L264        CegarLoopResult]: At program point  L309(line 309)  the Hoare annotation is:  (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 13:05:16,645 INFO  L268        CegarLoopResult]: For program point  L307(lines 307 313)  no Hoare annotation was computed.
[2020-07-20 13:05:16,645 INFO  L268        CegarLoopResult]: For program point  L307-1(lines 307 313)  no Hoare annotation was computed.
[2020-07-20 13:05:16,645 INFO  L264        CegarLoopResult]: At program point  L332(lines 287 334)  the Hoare annotation is:  (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 13:05:16,645 INFO  L264        CegarLoopResult]: At program point  L299(line 299)  the Hoare annotation is:  (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 13:05:16,645 INFO  L268        CegarLoopResult]: For program point  L297(lines 297 303)  no Hoare annotation was computed.
[2020-07-20 13:05:16,645 INFO  L268        CegarLoopResult]: For program point  L297-1(lines 297 303)  no Hoare annotation was computed.
[2020-07-20 13:05:16,645 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 277 342)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  L732(lines 732 752)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  L732-1(lines 732 752)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 718 763)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 718 763)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 718 763)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  L738(lines 738 745)  no Hoare annotation was computed.
[2020-07-20 13:05:16,646 INFO  L264        CegarLoopResult]: At program point  activatePump__wrappee__highWaterSensorENTRY(lines 150 157)  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 13:05:16,646 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorEXIT(lines 150 157)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__highWaterSensorFINAL(lines 150 157)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 943 965)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  L951(lines 951 959)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 943 965)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  L951-2(lines 951 959)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 943 965)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  L704(lines 704 711)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 615 717)  no Hoare annotation was computed.
[2020-07-20 13:05:16,647 INFO  L268        CegarLoopResult]: For program point  L665(lines 664 684)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L696(line 696)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L696-1(line 696)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L661(lines 661 702)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L680(line 680)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L680-1(line 680)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 615 717)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L639(lines 639 643)  no Hoare annotation was computed.
[2020-07-20 13:05:16,648 INFO  L268        CegarLoopResult]: For program point  L703(lines 703 714)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  L666(lines 666 670)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  L664-2(lines 664 684)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 615 717)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  L685(lines 663 686)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  L644(lines 644 660)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 812 821)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 812 821)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 812 821)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,649 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))
[2020-07-20 13:05:16,650 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,650 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 158 174)  no Hoare annotation was computed.
[2020-07-20 13:05:16,650 INFO  L264        CegarLoopResult]: At program point  L169(line 169)  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 13:05:16,650 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 158 174)  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 13:05:16,650 INFO  L268        CegarLoopResult]: For program point  L169-1(lines 158 174)  no Hoare annotation was computed.
[2020-07-20 13:05:16,650 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 171)  no Hoare annotation was computed.
[2020-07-20 13:05:16,650 INFO  L264        CegarLoopResult]: At program point  L163(line 163)  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 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  L163-1(line 163)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 239 257)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  L248(lines 248 252)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L271        CegarLoopResult]: At program point  L246(line 246)  the Hoare annotation is:  true
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  L248-2(lines 248 252)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 239 257)  the Hoare annotation is:  true
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  L246-1(line 246)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 239 257)  no Hoare annotation was computed.
[2020-07-20 13:05:16,651 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 966 974)  the Hoare annotation is:  true
[2020-07-20 13:05:16,651 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 966 974)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 966 974)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  L926-1(lines 922 933)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 922 933)  the Hoare annotation is:  true
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 922 933)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,652 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 934 942)  the Hoare annotation is:  true
[2020-07-20 13:05:16,652 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 934 942)  no Hoare annotation was computed.
[2020-07-20 13:05:16,653 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 934 942)  no Hoare annotation was computed.
[2020-07-20 13:05:16,653 INFO  L264        CegarLoopResult]: At program point  L80(line 80)  the Hoare annotation is:  (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:05:16,653 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 64 90)  the Hoare annotation is:  (let ((.cse7 (<= ~waterLevel~0 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (and .cse7 (= 0 ~pumpRunning~0) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse6 .cse5 .cse2) (or (and .cse7 .cse8 .cse9) .cse6 .cse10 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse4 .cse6 .cse10 (and .cse5 .cse8 .cse9)) (or .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (or .cse6 .cse0 .cse2 .cse3) (or .cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 .cse10 .cse3))))
[2020-07-20 13:05:16,653 INFO  L264        CegarLoopResult]: At program point  L78(lines 78 84)  the Hoare annotation is:  (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (let ((.cse10 (<= 1 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 1))) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse4 .cse13 (and .cse10 .cse0 .cse14 .cse11))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse7 .cse8 (and .cse9 .cse6 .cse12) (and .cse6 .cse0 .cse14)) (let ((.cse15 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse15 .cse6 .cse0) .cse3 (and .cse15 .cse6 .cse12) .cse4 .cse13)) (or .cse5 .cse7 (and .cse6 .cse0 .cse1) .cse3)))
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 64 90)  no Hoare annotation was computed.
[2020-07-20 13:05:16,654 INFO  L264        CegarLoopResult]: At program point  L73(line 73)  the Hoare annotation is:  (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5)))
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  L71(lines 67 89)  no Hoare annotation was computed.
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 64 90)  no Hoare annotation was computed.
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  L69(lines 67 89)  no Hoare annotation was computed.
[2020-07-20 13:05:16,654 INFO  L271        CegarLoopResult]: At program point  L355-2(lines 355 369)  the Hoare annotation is:  true
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 345 374)  no Hoare annotation was computed.
[2020-07-20 13:05:16,654 INFO  L271        CegarLoopResult]: At program point  L351(line 351)  the Hoare annotation is:  true
[2020-07-20 13:05:16,654 INFO  L268        CegarLoopResult]: For program point  L351-1(line 351)  no Hoare annotation was computed.
[2020-07-20 13:05:16,655 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 345 374)  the Hoare annotation is:  true
[2020-07-20 13:05:16,655 INFO  L271        CegarLoopResult]: At program point  L370(lines 345 374)  the Hoare annotation is:  true
[2020-07-20 13:05:16,655 INFO  L268        CegarLoopResult]: For program point  L366(line 366)  no Hoare annotation was computed.
[2020-07-20 13:05:16,655 INFO  L268        CegarLoopResult]: For program point  L359(lines 359 363)  no Hoare annotation was computed.
[2020-07-20 13:05:16,655 INFO  L271        CegarLoopResult]: At program point  L359-1(lines 359 363)  the Hoare annotation is:  true
[2020-07-20 13:05:16,655 INFO  L268        CegarLoopResult]: For program point  L356(line 356)  no Hoare annotation was computed.
[2020-07-20 13:05:16,655 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 898 909)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-20 13:05:16,655 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 898 909)  no Hoare annotation was computed.
[2020-07-20 13:05:16,655 INFO  L268        CegarLoopResult]: For program point  L902-1(lines 898 909)  no Hoare annotation was computed.
[2020-07-20 13:05:16,656 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 399 405)  no Hoare annotation was computed.
[2020-07-20 13:05:16,656 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 399 405)  the Hoare annotation is:  true
[2020-07-20 13:05:16,656 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,656 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:05:16,656 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:05:16,656 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:16,656 INFO  L268        CegarLoopResult]: For program point  L914-1(lines 910 921)  no Hoare annotation was computed.
[2020-07-20 13:05:16,656 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 910 921)  no Hoare annotation was computed.
[2020-07-20 13:05:16,657 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 910 921)  the Hoare annotation is:  (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse7 .cse9)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse6) (or .cse1 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse7 .cse8 .cse2) (or .cse8 .cse5 .cse2 .cse6))))
[2020-07-20 13:05:16,657 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 40 47)  no Hoare annotation was computed.
[2020-07-20 13:05:16,657 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44)  no Hoare annotation was computed.
[2020-07-20 13:05:16,657 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 40 47)  the Hoare annotation is:  true
[2020-07-20 13:05:16,657 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 40 47)  no Hoare annotation was computed.
[2020-07-20 13:05:16,674 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:16 BoogieIcfgContainer
[2020-07-20 13:05:16,675 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:05:16,676 INFO  L168              Benchmark]: Toolchain (without parser) took 25222.36 ms. Allocated memory was 143.7 MB in the beginning and 481.3 MB in the end (delta: 337.6 MB). Free memory was 99.9 MB in the beginning and 124.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 358.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,677 INFO  L168              Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 143.7 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,678 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 695.24 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 99.5 MB in the beginning and 165.8 MB in the end (delta: -66.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,678 INFO  L168              Benchmark]: Boogie Preprocessor took 86.50 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,679 INFO  L168              Benchmark]: RCFGBuilder took 3218.91 ms. Allocated memory was 199.2 MB in the beginning and 229.1 MB in the end (delta: 29.9 MB). Free memory was 161.7 MB in the beginning and 191.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,680 INFO  L168              Benchmark]: TraceAbstraction took 21215.55 ms. Allocated memory was 229.1 MB in the beginning and 481.3 MB in the end (delta: 252.2 MB). Free memory was 189.4 MB in the beginning and 124.6 MB in the end (delta: 64.8 MB). Peak memory consumption was 362.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:16,683 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.53 ms. Allocated memory is still 143.7 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 695.24 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 99.5 MB in the beginning and 165.8 MB in the end (delta: -66.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 86.50 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 3218.91 ms. Allocated memory was 199.2 MB in the beginning and 229.1 MB in the end (delta: 29.9 MB). Free memory was 161.7 MB in the beginning and 191.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 21215.55 ms. Allocated memory was 229.1 MB in the beginning and 481.3 MB in the end (delta: 252.2 MB). Free memory was 189.4 MB in the beginning and 124.6 MB in the end (delta: 64.8 MB). Peak memory consumption was 362.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 355]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 345]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 287]: Loop Invariant
    Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)
  - InvariantResult [Line: 286]: Loop Invariant
    Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2291 SDtfs, 1716 SDslu, 3933 SDs, 0 SdLazy, 2623 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1346 GetRequests, 1279 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1722occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 887 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4560 PreInvPairs, 4752 NumberOfFragments, 2037 HoareAnnotationTreeSize, 4560 FomulaSimplifications, 6195 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13053 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1161 NumberOfCodeBlocks, 915 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 288733 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8453 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 138/160 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...