/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 10:37:59,063 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 10:37:59,065 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 10:37:59,083 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 10:37:59,083 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 10:37:59,085 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 10:37:59,087 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 10:37:59,088 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 10:37:59,090 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 10:37:59,091 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 10:37:59,092 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 10:37:59,093 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 10:37:59,093 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 10:37:59,094 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 10:37:59,095 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 10:37:59,096 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 10:37:59,097 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 10:37:59,098 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 10:37:59,099 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 10:37:59,101 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 10:37:59,103 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 10:37:59,104 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 10:37:59,105 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 10:37:59,106 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 10:37:59,108 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 10:37:59,109 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 10:37:59,109 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 10:37:59,110 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 10:37:59,110 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 10:37:59,111 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 10:37:59,111 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 10:37:59,112 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 10:37:59,113 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 10:37:59,113 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 10:37:59,114 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 10:37:59,115 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 10:37:59,118 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 10:37:59,118 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 10:37:59,119 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 10:37:59,119 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 10:37:59,120 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 10:37:59,121 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
[2020-07-21 10:37:59,135 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 10:37:59,136 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 10:37:59,137 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 10:37:59,137 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 10:37:59,137 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 10:37:59,137 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 10:37:59,138 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 10:37:59,138 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 10:37:59,138 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 10:37:59,138 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 10:37:59,138 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 10:37:59,139 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 10:37:59,140 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 10:37:59,140 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 10:37:59,140 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 10:37:59,140 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 10:37:59,140 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 10:37:59,141 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 10:37:59,141 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 10:37:59,141 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 10:37:59,141 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 10:37:59,141 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:37:59,142 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 10:37:59,142 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 10:37:59,142 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-21 10:37:59,431 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 10:37:59,443 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 10:37:59,446 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 10:37:59,448 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 10:37:59,448 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 10:37:59,449 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c
[2020-07-21 10:37:59,515 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d417acff/8e92e386d6b34d3895c2e9b53e20e6b9/FLAG68a0c7f5d
[2020-07-21 10:38:00,009 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 10:38:00,012 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c
[2020-07-21 10:38:00,030 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d417acff/8e92e386d6b34d3895c2e9b53e20e6b9/FLAG68a0c7f5d
[2020-07-21 10:38:00,342 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d417acff/8e92e386d6b34d3895c2e9b53e20e6b9
[2020-07-21 10:38:00,353 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 10:38:00,356 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 10:38:00,358 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 10:38:00,358 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 10:38:00,361 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 10:38:00,362 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:00" (1/1) ...
[2020-07-21 10:38:00,366 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:00, skipping insertion in model container
[2020-07-21 10:38:00,366 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:00" (1/1) ...
[2020-07-21 10:38:00,374 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 10:38:00,436 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 10:38:00,854 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:38:00,874 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 10:38:01,010 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 10:38:01,044 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 10:38:01,045 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01 WrapperNode
[2020-07-21 10:38:01,045 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 10:38:01,045 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 10:38:01,046 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 10:38:01,046 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 10:38:01,056 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,057 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,075 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,076 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,111 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,122 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,127 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ...
[2020-07-21 10:38:01,134 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 10:38:01,135 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 10:38:01,135 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 10:38:01,135 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 10:38:01,136 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (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
[2020-07-21 10:38:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 10:38:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 10:38:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:38:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-21 10:38:01,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-21 10:38:01,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-21 10:38:01,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-21 10:38:01,199 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-21 10:38:01,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-21 10:38:01,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-21 10:38:01,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-21 10:38:01,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:38:01,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-21 10:38:01,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-21 10:38:01,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-21 10:38:01,202 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-21 10:38:01,203 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-21 10:38:01,204 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-07-21 10:38:01,205 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-21 10:38:01,206 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-21 10:38:01,207 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-21 10:38:01,208 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 10:38:01,209 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-21 10:38:01,210 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 10:38:01,211 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-21 10:38:01,211 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 10:38:02,191 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 10:38:02,191 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 10:38:02,196 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:02 BoogieIcfgContainer
[2020-07-21 10:38:02,196 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 10:38:02,198 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 10:38:02,198 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 10:38:02,201 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 10:38:02,201 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:00" (1/3) ...
[2020-07-21 10:38:02,202 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a291ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:02, skipping insertion in model container
[2020-07-21 10:38:02,202 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (2/3) ...
[2020-07-21 10:38:02,202 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a291ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:02, skipping insertion in model container
[2020-07-21 10:38:02,203 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:02" (3/3) ...
[2020-07-21 10:38:02,204 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c
[2020-07-21 10:38:02,214 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 10:38:02,222 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 10:38:02,236 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 10:38:02,261 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 10:38:02,261 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 10:38:02,261 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 10:38:02,261 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 10:38:02,262 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 10:38:02,262 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 10:38:02,262 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 10:38:02,262 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 10:38:02,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states.
[2020-07-21 10:38:02,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-21 10:38:02,293 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:02,294 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:02,295 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:02,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:02,300 INFO  L82        PathProgramCache]: Analyzing trace with hash 1091923628, now seen corresponding path program 1 times
[2020-07-21 10:38:02,308 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:02,309 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384628101]
[2020-07-21 10:38:02,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:02,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:02,582 INFO  L263         TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 10:38:02,592 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:02,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:02,623 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:02,624 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384628101]
[2020-07-21 10:38:02,625 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:02,626 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 10:38:02,627 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478768492]
[2020-07-21 10:38:02,632 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 10:38:02,632 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:02,647 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 10:38:02,648 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:38:02,651 INFO  L87              Difference]: Start difference. First operand 177 states. Second operand 2 states.
[2020-07-21 10:38:02,703 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:02,703 INFO  L93              Difference]: Finished difference Result 268 states and 333 transitions.
[2020-07-21 10:38:02,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-21 10:38:02,704 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 46
[2020-07-21 10:38:02,705 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:02,717 INFO  L225             Difference]: With dead ends: 268
[2020-07-21 10:38:02,718 INFO  L226             Difference]: Without dead ends: 134
[2020-07-21 10:38:02,722 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 10:38:02,740 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2020-07-21 10:38:02,771 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2020-07-21 10:38:02,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 134 states.
[2020-07-21 10:38:02,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions.
[2020-07-21 10:38:02,777 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46
[2020-07-21 10:38:02,777 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:02,777 INFO  L479      AbstractCegarLoop]: Abstraction has 134 states and 158 transitions.
[2020-07-21 10:38:02,777 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 10:38:02,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions.
[2020-07-21 10:38:02,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-07-21 10:38:02,781 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:02,781 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:02,995 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:02,995 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:02,996 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:02,997 INFO  L82        PathProgramCache]: Analyzing trace with hash 644500822, now seen corresponding path program 1 times
[2020-07-21 10:38:02,997 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:02,998 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224445148]
[2020-07-21 10:38:02,998 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:03,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:03,202 INFO  L263         TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 10:38:03,210 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:03,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:03,286 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:03,286 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224445148]
[2020-07-21 10:38:03,287 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:03,287 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:38:03,287 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666202538]
[2020-07-21 10:38:03,289 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:38:03,289 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:03,289 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:38:03,289 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:03,289 INFO  L87              Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states.
[2020-07-21 10:38:03,326 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:03,327 INFO  L93              Difference]: Finished difference Result 211 states and 247 transitions.
[2020-07-21 10:38:03,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 10:38:03,328 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-07-21 10:38:03,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:03,332 INFO  L225             Difference]: With dead ends: 211
[2020-07-21 10:38:03,332 INFO  L226             Difference]: Without dead ends: 125
[2020-07-21 10:38:03,334 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:03,335 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2020-07-21 10:38:03,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2020-07-21 10:38:03,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 125 states.
[2020-07-21 10:38:03,355 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions.
[2020-07-21 10:38:03,355 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47
[2020-07-21 10:38:03,355 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:03,355 INFO  L479      AbstractCegarLoop]: Abstraction has 125 states and 146 transitions.
[2020-07-21 10:38:03,356 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:38:03,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions.
[2020-07-21 10:38:03,358 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-07-21 10:38:03,358 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:03,358 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:03,572 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:03,573 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:03,574 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:03,574 INFO  L82        PathProgramCache]: Analyzing trace with hash -350015351, now seen corresponding path program 1 times
[2020-07-21 10:38:03,575 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:03,575 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727485048]
[2020-07-21 10:38:03,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:03,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:03,745 INFO  L263         TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 10:38:03,749 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:03,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:03,775 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:03,775 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727485048]
[2020-07-21 10:38:03,776 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:03,776 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:38:03,776 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990843964]
[2020-07-21 10:38:03,777 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:38:03,777 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:03,777 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:38:03,777 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:03,778 INFO  L87              Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 3 states.
[2020-07-21 10:38:03,806 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:03,807 INFO  L93              Difference]: Finished difference Result 325 states and 390 transitions.
[2020-07-21 10:38:03,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 10:38:03,808 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 51
[2020-07-21 10:38:03,808 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:03,812 INFO  L225             Difference]: With dead ends: 325
[2020-07-21 10:38:03,812 INFO  L226             Difference]: Without dead ends: 224
[2020-07-21 10:38:03,813 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:03,814 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 224 states.
[2020-07-21 10:38:03,837 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220.
[2020-07-21 10:38:03,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-07-21 10:38:03,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions.
[2020-07-21 10:38:03,839 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 51
[2020-07-21 10:38:03,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:03,840 INFO  L479      AbstractCegarLoop]: Abstraction has 220 states and 263 transitions.
[2020-07-21 10:38:03,840 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:38:03,840 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions.
[2020-07-21 10:38:03,843 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-21 10:38:03,843 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:03,844 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:04,056 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:04,057 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:04,058 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:04,058 INFO  L82        PathProgramCache]: Analyzing trace with hash -103520613, now seen corresponding path program 1 times
[2020-07-21 10:38:04,058 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:04,058 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598734405]
[2020-07-21 10:38:04,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:04,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:04,239 INFO  L263         TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-21 10:38:04,243 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:04,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:04,296 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:04,297 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598734405]
[2020-07-21 10:38:04,297 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:04,297 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:38:04,297 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140637994]
[2020-07-21 10:38:04,298 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:38:04,298 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:04,298 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:38:04,299 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:38:04,299 INFO  L87              Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 6 states.
[2020-07-21 10:38:04,594 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:04,594 INFO  L93              Difference]: Finished difference Result 593 states and 747 transitions.
[2020-07-21 10:38:04,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:38:04,595 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 57
[2020-07-21 10:38:04,596 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:04,604 INFO  L225             Difference]: With dead ends: 593
[2020-07-21 10:38:04,606 INFO  L226             Difference]: Without dead ends: 397
[2020-07-21 10:38:04,608 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:38:04,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 397 states.
[2020-07-21 10:38:04,646 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397.
[2020-07-21 10:38:04,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 397 states.
[2020-07-21 10:38:04,649 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 496 transitions.
[2020-07-21 10:38:04,650 INFO  L78                 Accepts]: Start accepts. Automaton has 397 states and 496 transitions. Word has length 57
[2020-07-21 10:38:04,650 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:04,650 INFO  L479      AbstractCegarLoop]: Abstraction has 397 states and 496 transitions.
[2020-07-21 10:38:04,650 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:38:04,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 397 states and 496 transitions.
[2020-07-21 10:38:04,654 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-07-21 10:38:04,654 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:04,654 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:04,867 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:04,868 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:04,869 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:04,869 INFO  L82        PathProgramCache]: Analyzing trace with hash -1065334495, now seen corresponding path program 1 times
[2020-07-21 10:38:04,869 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:04,870 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363567965]
[2020-07-21 10:38:04,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:05,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:05,065 INFO  L263         TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-21 10:38:05,068 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:05,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:05,102 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:05,102 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363567965]
[2020-07-21 10:38:05,102 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:05,102 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:38:05,103 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228417034]
[2020-07-21 10:38:05,103 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:38:05,103 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:05,104 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:38:05,104 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:38:05,104 INFO  L87              Difference]: Start difference. First operand 397 states and 496 transitions. Second operand 6 states.
[2020-07-21 10:38:05,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:05,313 INFO  L93              Difference]: Finished difference Result 922 states and 1219 transitions.
[2020-07-21 10:38:05,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 10:38:05,314 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 61
[2020-07-21 10:38:05,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:05,318 INFO  L225             Difference]: With dead ends: 922
[2020-07-21 10:38:05,318 INFO  L226             Difference]: Without dead ends: 549
[2020-07-21 10:38:05,320 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 10:38:05,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 549 states.
[2020-07-21 10:38:05,352 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531.
[2020-07-21 10:38:05,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 531 states.
[2020-07-21 10:38:05,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 675 transitions.
[2020-07-21 10:38:05,356 INFO  L78                 Accepts]: Start accepts. Automaton has 531 states and 675 transitions. Word has length 61
[2020-07-21 10:38:05,357 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:05,357 INFO  L479      AbstractCegarLoop]: Abstraction has 531 states and 675 transitions.
[2020-07-21 10:38:05,357 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:38:05,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 531 states and 675 transitions.
[2020-07-21 10:38:05,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2020-07-21 10:38:05,361 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:05,361 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:05,575 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:05,575 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:05,575 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:05,576 INFO  L82        PathProgramCache]: Analyzing trace with hash -1221380108, now seen corresponding path program 1 times
[2020-07-21 10:38:05,576 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:05,577 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110593346]
[2020-07-21 10:38:05,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:05,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:05,785 INFO  L263         TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 10:38:05,793 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:05,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-07-21 10:38:05,816 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:05,817 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110593346]
[2020-07-21 10:38:05,818 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:05,818 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 10:38:05,819 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6180824]
[2020-07-21 10:38:05,820 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 10:38:05,820 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:05,820 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 10:38:05,821 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:05,821 INFO  L87              Difference]: Start difference. First operand 531 states and 675 transitions. Second operand 3 states.
[2020-07-21 10:38:05,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:05,891 INFO  L93              Difference]: Finished difference Result 626 states and 795 transitions.
[2020-07-21 10:38:05,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 10:38:05,892 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 112
[2020-07-21 10:38:05,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:05,894 INFO  L225             Difference]: With dead ends: 626
[2020-07-21 10:38:05,894 INFO  L226             Difference]: Without dead ends: 268
[2020-07-21 10:38:05,896 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 10:38:05,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2020-07-21 10:38:05,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268.
[2020-07-21 10:38:05,910 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 268 states.
[2020-07-21 10:38:05,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 330 transitions.
[2020-07-21 10:38:05,912 INFO  L78                 Accepts]: Start accepts. Automaton has 268 states and 330 transitions. Word has length 112
[2020-07-21 10:38:05,912 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:05,912 INFO  L479      AbstractCegarLoop]: Abstraction has 268 states and 330 transitions.
[2020-07-21 10:38:05,912 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 10:38:05,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 268 states and 330 transitions.
[2020-07-21 10:38:05,914 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2020-07-21 10:38:05,915 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:05,915 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:06,130 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:06,131 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:06,131 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:06,131 INFO  L82        PathProgramCache]: Analyzing trace with hash -257122548, now seen corresponding path program 1 times
[2020-07-21 10:38:06,132 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:06,133 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016837112]
[2020-07-21 10:38:06,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:06,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:06,313 INFO  L263         TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-21 10:38:06,316 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:06,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2020-07-21 10:38:06,364 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:06,364 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016837112]
[2020-07-21 10:38:06,365 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:06,365 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:38:06,365 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665407652]
[2020-07-21 10:38:06,366 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:38:06,366 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:06,367 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:38:06,367 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:38:06,367 INFO  L87              Difference]: Start difference. First operand 268 states and 330 transitions. Second operand 6 states.
[2020-07-21 10:38:06,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:06,409 INFO  L93              Difference]: Finished difference Result 522 states and 666 transitions.
[2020-07-21 10:38:06,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:38:06,410 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 132
[2020-07-21 10:38:06,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:06,412 INFO  L225             Difference]: With dead ends: 522
[2020-07-21 10:38:06,412 INFO  L226             Difference]: Without dead ends: 278
[2020-07-21 10:38:06,413 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 10:38:06,414 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 278 states.
[2020-07-21 10:38:06,425 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278.
[2020-07-21 10:38:06,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 278 states.
[2020-07-21 10:38:06,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 341 transitions.
[2020-07-21 10:38:06,427 INFO  L78                 Accepts]: Start accepts. Automaton has 278 states and 341 transitions. Word has length 132
[2020-07-21 10:38:06,427 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:06,428 INFO  L479      AbstractCegarLoop]: Abstraction has 278 states and 341 transitions.
[2020-07-21 10:38:06,428 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:38:06,428 INFO  L276                IsEmpty]: Start isEmpty. Operand 278 states and 341 transitions.
[2020-07-21 10:38:06,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2020-07-21 10:38:06,429 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:06,430 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:06,644 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:06,645 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:06,646 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:06,646 INFO  L82        PathProgramCache]: Analyzing trace with hash 1067733646, now seen corresponding path program 1 times
[2020-07-21 10:38:06,646 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:06,647 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750107538]
[2020-07-21 10:38:06,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:06,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:06,838 INFO  L263         TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-21 10:38:06,842 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:06,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2020-07-21 10:38:06,881 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:06,881 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750107538]
[2020-07-21 10:38:06,881 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:06,881 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 10:38:06,882 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326492617]
[2020-07-21 10:38:06,882 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 10:38:06,882 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:06,883 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 10:38:06,883 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 10:38:06,883 INFO  L87              Difference]: Start difference. First operand 278 states and 341 transitions. Second operand 5 states.
[2020-07-21 10:38:06,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:06,909 INFO  L93              Difference]: Finished difference Result 530 states and 677 transitions.
[2020-07-21 10:38:06,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 10:38:06,910 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 132
[2020-07-21 10:38:06,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:06,911 INFO  L225             Difference]: With dead ends: 530
[2020-07-21 10:38:06,912 INFO  L226             Difference]: Without dead ends: 276
[2020-07-21 10:38:06,913 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 10:38:06,913 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2020-07-21 10:38:06,924 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276.
[2020-07-21 10:38:06,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 276 states.
[2020-07-21 10:38:06,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 334 transitions.
[2020-07-21 10:38:06,926 INFO  L78                 Accepts]: Start accepts. Automaton has 276 states and 334 transitions. Word has length 132
[2020-07-21 10:38:06,927 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:06,927 INFO  L479      AbstractCegarLoop]: Abstraction has 276 states and 334 transitions.
[2020-07-21 10:38:06,927 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 10:38:06,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 276 states and 334 transitions.
[2020-07-21 10:38:06,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2020-07-21 10:38:06,929 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:06,929 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:07,142 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:07,143 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:07,144 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:07,144 INFO  L82        PathProgramCache]: Analyzing trace with hash -1372888113, now seen corresponding path program 1 times
[2020-07-21 10:38:07,145 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:07,145 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821240642]
[2020-07-21 10:38:07,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:07,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:07,322 INFO  L263         TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 10:38:07,326 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:07,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:07,377 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:07,377 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821240642]
[2020-07-21 10:38:07,378 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:07,378 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:38:07,378 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428162509]
[2020-07-21 10:38:07,378 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:38:07,379 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:07,379 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:38:07,379 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:38:07,379 INFO  L87              Difference]: Start difference. First operand 276 states and 334 transitions. Second operand 6 states.
[2020-07-21 10:38:08,094 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:08,095 INFO  L93              Difference]: Finished difference Result 737 states and 955 transitions.
[2020-07-21 10:38:08,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 10:38:08,095 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 132
[2020-07-21 10:38:08,096 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:08,100 INFO  L225             Difference]: With dead ends: 737
[2020-07-21 10:38:08,100 INFO  L226             Difference]: Without dead ends: 485
[2020-07-21 10:38:08,102 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-21 10:38:08,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 485 states.
[2020-07-21 10:38:08,127 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 470.
[2020-07-21 10:38:08,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 470 states.
[2020-07-21 10:38:08,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 577 transitions.
[2020-07-21 10:38:08,130 INFO  L78                 Accepts]: Start accepts. Automaton has 470 states and 577 transitions. Word has length 132
[2020-07-21 10:38:08,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:08,131 INFO  L479      AbstractCegarLoop]: Abstraction has 470 states and 577 transitions.
[2020-07-21 10:38:08,131 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:38:08,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 470 states and 577 transitions.
[2020-07-21 10:38:08,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2020-07-21 10:38:08,133 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:08,134 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 10:38:08,347 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:08,348 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:08,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:08,349 INFO  L82        PathProgramCache]: Analyzing trace with hash -1244866615, now seen corresponding path program 1 times
[2020-07-21 10:38:08,350 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:08,351 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606474053]
[2020-07-21 10:38:08,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:08,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:08,521 INFO  L263         TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-21 10:38:08,524 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:08,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 10:38:08,592 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 10:38:08,946 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2020-07-21 10:38:08,946 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606474053]
[2020-07-21 10:38:08,946 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 10:38:08,947 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12
[2020-07-21 10:38:08,947 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201612500]
[2020-07-21 10:38:08,947 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-07-21 10:38:08,948 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:08,948 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-07-21 10:38:08,948 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2020-07-21 10:38:08,948 INFO  L87              Difference]: Start difference. First operand 470 states and 577 transitions. Second operand 12 states.
[2020-07-21 10:38:10,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:10,279 INFO  L93              Difference]: Finished difference Result 1237 states and 1658 transitions.
[2020-07-21 10:38:10,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-07-21 10:38:10,279 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 136
[2020-07-21 10:38:10,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:10,286 INFO  L225             Difference]: With dead ends: 1237
[2020-07-21 10:38:10,286 INFO  L226             Difference]: Without dead ends: 791
[2020-07-21 10:38:10,288 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 260 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506
[2020-07-21 10:38:10,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 791 states.
[2020-07-21 10:38:10,340 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 634.
[2020-07-21 10:38:10,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 634 states.
[2020-07-21 10:38:10,367 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 781 transitions.
[2020-07-21 10:38:10,367 INFO  L78                 Accepts]: Start accepts. Automaton has 634 states and 781 transitions. Word has length 136
[2020-07-21 10:38:10,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:10,371 INFO  L479      AbstractCegarLoop]: Abstraction has 634 states and 781 transitions.
[2020-07-21 10:38:10,371 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-07-21 10:38:10,371 INFO  L276                IsEmpty]: Start isEmpty. Operand 634 states and 781 transitions.
[2020-07-21 10:38:10,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2020-07-21 10:38:10,375 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:10,375 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-21 10:38:10,588 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:10,589 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:10,590 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:10,591 INFO  L82        PathProgramCache]: Analyzing trace with hash -1692744000, now seen corresponding path program 2 times
[2020-07-21 10:38:10,591 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:10,591 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096600173]
[2020-07-21 10:38:10,592 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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
[2020-07-21 10:38:10,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:10,781 INFO  L263         TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-21 10:38:10,786 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:10,881 INFO  L320       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-21 10:38:10,881 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-21 10:38:10,935 INFO  L134       CoverageAnalysis]: Checked inductivity of 109 backedges. 91 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-07-21 10:38:10,936 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 10:38:11,202 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 10:38:11,262 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-21 10:38:11,262 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 10:38:11,314 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-21 10:38:11,315 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 10:38:11,336 INFO  L320       QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term
[2020-07-21 10:38:11,337 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 10:38:11,378 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 10:38:11,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2020-07-21 10:38:11,584 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096600173]
[2020-07-21 10:38:11,585 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 10:38:11,585 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16
[2020-07-21 10:38:11,585 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030767960]
[2020-07-21 10:38:11,586 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 16 states
[2020-07-21 10:38:11,586 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:11,586 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2020-07-21 10:38:11,587 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240
[2020-07-21 10:38:11,587 INFO  L87              Difference]: Start difference. First operand 634 states and 781 transitions. Second operand 16 states.
[2020-07-21 10:38:13,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:13,555 INFO  L93              Difference]: Finished difference Result 1783 states and 2425 transitions.
[2020-07-21 10:38:13,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2020-07-21 10:38:13,556 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states. Word has length 189
[2020-07-21 10:38:13,556 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:13,564 INFO  L225             Difference]: With dead ends: 1783
[2020-07-21 10:38:13,565 INFO  L226             Difference]: Without dead ends: 1230
[2020-07-21 10:38:13,573 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756
[2020-07-21 10:38:13,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1230 states.
[2020-07-21 10:38:13,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 945.
[2020-07-21 10:38:13,641 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 945 states.
[2020-07-21 10:38:13,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1154 transitions.
[2020-07-21 10:38:13,647 INFO  L78                 Accepts]: Start accepts. Automaton has 945 states and 1154 transitions. Word has length 189
[2020-07-21 10:38:13,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:13,648 INFO  L479      AbstractCegarLoop]: Abstraction has 945 states and 1154 transitions.
[2020-07-21 10:38:13,648 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 16 states.
[2020-07-21 10:38:13,648 INFO  L276                IsEmpty]: Start isEmpty. Operand 945 states and 1154 transitions.
[2020-07-21 10:38:13,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2020-07-21 10:38:13,652 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 10:38:13,652 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-21 10:38:13,866 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:13,867 INFO  L427      AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 10:38:13,867 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 10:38:13,867 INFO  L82        PathProgramCache]: Analyzing trace with hash 183738818, now seen corresponding path program 1 times
[2020-07-21 10:38:13,867 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 10:38:13,868 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997316386]
[2020-07-21 10:38:13,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:14,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 10:38:14,067 INFO  L263         TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 10:38:14,071 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 10:38:14,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2020-07-21 10:38:14,116 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 10:38:14,117 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997316386]
[2020-07-21 10:38:14,117 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 10:38:14,117 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 10:38:14,117 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633544998]
[2020-07-21 10:38:14,118 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 10:38:14,119 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 10:38:14,119 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 10:38:14,119 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 10:38:14,119 INFO  L87              Difference]: Start difference. First operand 945 states and 1154 transitions. Second operand 6 states.
[2020-07-21 10:38:14,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 10:38:14,168 INFO  L93              Difference]: Finished difference Result 1260 states and 1525 transitions.
[2020-07-21 10:38:14,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 10:38:14,169 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 189
[2020-07-21 10:38:14,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 10:38:14,170 INFO  L225             Difference]: With dead ends: 1260
[2020-07-21 10:38:14,170 INFO  L226             Difference]: Without dead ends: 0
[2020-07-21 10:38:14,173 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 10:38:14,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-21 10:38:14,174 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-21 10:38:14,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-21 10:38:14,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-21 10:38:14,174 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189
[2020-07-21 10:38:14,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 10:38:14,175 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-21 10:38:14,175 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 10:38:14,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-21 10:38:14,175 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-21 10:38:14,388 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 10:38:14,392 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-21 10:38:16,103 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35
[2020-07-21 10:38:16,598 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29
[2020-07-21 10:38:16,961 WARN  L193               SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36
[2020-07-21 10:38:17,297 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14
[2020-07-21 10:38:17,854 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36
[2020-07-21 10:38:17,889 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 659 714)  no Hoare annotation was computed.
[2020-07-21 10:38:17,889 INFO  L268        CegarLoopResult]: For program point  L690(lines 690 694)  no Hoare annotation was computed.
[2020-07-21 10:38:17,889 INFO  L268        CegarLoopResult]: For program point  L690-1(lines 690 694)  no Hoare annotation was computed.
[2020-07-21 10:38:17,890 INFO  L268        CegarLoopResult]: For program point  L685(line 685)  no Hoare annotation was computed.
[2020-07-21 10:38:17,890 INFO  L268        CegarLoopResult]: For program point  L684-2(lines 684 705)  no Hoare annotation was computed.
[2020-07-21 10:38:17,890 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 659 714)  no Hoare annotation was computed.
[2020-07-21 10:38:17,890 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 659 714)  no Hoare annotation was computed.
[2020-07-21 10:38:17,890 INFO  L268        CegarLoopResult]: For program point  L706(lines 683 707)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L767(lines 740 768)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L760(line 760)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L760-1(line 760)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 715 774)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 715 774)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L747(lines 747 751)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L747-1(lines 747 751)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 715 774)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L742(line 742)  no Hoare annotation was computed.
[2020-07-21 10:38:17,891 INFO  L268        CegarLoopResult]: For program point  L741-2(lines 741 766)  no Hoare annotation was computed.
[2020-07-21 10:38:17,892 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 299 305)  the Hoare annotation is:  true
[2020-07-21 10:38:17,892 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 299 305)  no Hoare annotation was computed.
[2020-07-21 10:38:17,892 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 306 314)  no Hoare annotation was computed.
[2020-07-21 10:38:17,892 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 306 314)  the Hoare annotation is:  true
[2020-07-21 10:38:17,892 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 306 314)  no Hoare annotation was computed.
[2020-07-21 10:38:17,892 INFO  L264        CegarLoopResult]: At program point  L161(line 161)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1)))
[2020-07-21 10:38:17,892 INFO  L268        CegarLoopResult]: For program point  L159(lines 159 165)  no Hoare annotation was computed.
[2020-07-21 10:38:17,892 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification4_spec__1ENTRY(lines 147 171)  the Hoare annotation is:  true
[2020-07-21 10:38:17,893 INFO  L264        CegarLoopResult]: At program point  L157(line 157)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2)))
[2020-07-21 10:38:17,893 INFO  L268        CegarLoopResult]: For program point  L157-1(line 157)  no Hoare annotation was computed.
[2020-07-21 10:38:17,893 INFO  L268        CegarLoopResult]: For program point  L155(lines 155 168)  no Hoare annotation was computed.
[2020-07-21 10:38:17,893 INFO  L268        CegarLoopResult]: For program point  L155-1(lines 147 171)  no Hoare annotation was computed.
[2020-07-21 10:38:17,893 INFO  L271        CegarLoopResult]: At program point  L153(line 153)  the Hoare annotation is:  true
[2020-07-21 10:38:17,893 INFO  L268        CegarLoopResult]: For program point  L153-1(line 153)  no Hoare annotation was computed.
[2020-07-21 10:38:17,893 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification4_spec__1EXIT(lines 147 171)  no Hoare annotation was computed.
[2020-07-21 10:38:17,894 INFO  L268        CegarLoopResult]: For program point  L130-1(lines 130 137)  no Hoare annotation was computed.
[2020-07-21 10:38:17,894 INFO  L268        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2020-07-21 10:38:17,894 INFO  L264        CegarLoopResult]: At program point  L127(line 127)  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)|)))
[2020-07-21 10:38:17,894 INFO  L264        CegarLoopResult]: At program point  L126(line 126)  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)|)))
[2020-07-21 10:38:17,894 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 120 142)  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)|)))
[2020-07-21 10:38:17,895 INFO  L264        CegarLoopResult]: At program point  L126-1(line 126)  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)|)))
[2020-07-21 10:38:17,895 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 120 142)  no Hoare annotation was computed.
[2020-07-21 10:38:17,895 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 120 142)  no Hoare annotation was computed.
[2020-07-21 10:38:17,895 INFO  L264        CegarLoopResult]: At program point  L132(line 132)  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)|)))
[2020-07-21 10:38:17,895 INFO  L264        CegarLoopResult]: At program point  L132-1(line 132)  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)|)))
[2020-07-21 10:38:17,895 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 137)  no Hoare annotation was computed.
[2020-07-21 10:38:17,895 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 75 98)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-07-21 10:38:17,896 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 515 529)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L264        CegarLoopResult]: At program point  L521(line 521)  the Hoare annotation is:  (and (not (= 0 |old(~pumpRunning~0)|)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  L519(lines 519 525)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 515 529)  the Hoare annotation is:  (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))))
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 515 529)  no Hoare annotation was computed.
[2020-07-21 10:38:17,897 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 432 440)  no Hoare annotation was computed.
[2020-07-21 10:38:17,898 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 432 440)  the Hoare annotation is:  true
[2020-07-21 10:38:17,898 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 432 440)  no Hoare annotation was computed.
[2020-07-21 10:38:17,898 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 496 514)  the Hoare annotation is:  true
[2020-07-21 10:38:17,898 INFO  L268        CegarLoopResult]: For program point  L505(lines 505 509)  no Hoare annotation was computed.
[2020-07-21 10:38:17,898 INFO  L271        CegarLoopResult]: At program point  L503(line 503)  the Hoare annotation is:  true
[2020-07-21 10:38:17,898 INFO  L268        CegarLoopResult]: For program point  L505-2(lines 505 509)  no Hoare annotation was computed.
[2020-07-21 10:38:17,898 INFO  L268        CegarLoopResult]: For program point  L503-1(line 503)  no Hoare annotation was computed.
[2020-07-21 10:38:17,898 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 496 514)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 496 514)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 456)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L448-2(lines 448 456)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L471(line 471)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L471-1(line 471)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 441 476)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 468)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  L460-2(lines 460 468)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 441 476)  no Hoare annotation was computed.
[2020-07-21 10:38:17,899 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 441 476)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 292 298)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 292 298)  the Hoare annotation is:  true
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 613 658)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 613 658)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 613 658)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 926 971)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  L946(lines 946 953)  no Hoare annotation was computed.
[2020-07-21 10:38:17,900 INFO  L268        CegarLoopResult]: For program point  L940(lines 940 960)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  L940-1(lines 940 960)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 926 971)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 926 971)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 107 116)  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)|)))
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 107 116)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 107 116)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 421 431)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 421 431)  no Hoare annotation was computed.
[2020-07-21 10:38:17,901 INFO  L268        CegarLoopResult]: For program point  L426(line 426)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  L426-1(line 426)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 421 431)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 413 420)  the Hoare annotation is:  true
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 413 420)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 413 420)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 257 270)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 267)  no Hoare annotation was computed.
[2020-07-21 10:38:17,902 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 257 270)  the Hoare annotation is:  true
[2020-07-21 10:38:17,902 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 257 270)  no Hoare annotation was computed.
[2020-07-21 10:38:17,903 INFO  L268        CegarLoopResult]: For program point  L386-1(line 386)  no Hoare annotation was computed.
[2020-07-21 10:38:17,903 INFO  L268        CegarLoopResult]: For program point  L384(lines 384 401)  no Hoare annotation was computed.
[2020-07-21 10:38:17,903 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 380 404)  no Hoare annotation was computed.
[2020-07-21 10:38:17,903 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 380 404)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-21 10:38:17,903 INFO  L264        CegarLoopResult]: At program point  L399(line 399)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0))
[2020-07-21 10:38:17,903 INFO  L268        CegarLoopResult]: For program point  L399-1(lines 380 404)  no Hoare annotation was computed.
[2020-07-21 10:38:17,903 INFO  L264        CegarLoopResult]: At program point  L394(line 394)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)))
[2020-07-21 10:38:17,904 INFO  L264        CegarLoopResult]: At program point  L390(line 390)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~3))))
[2020-07-21 10:38:17,904 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 396)  no Hoare annotation was computed.
[2020-07-21 10:38:17,904 INFO  L264        CegarLoopResult]: At program point  L386(line 386)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-21 10:38:17,904 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 346 352)  no Hoare annotation was computed.
[2020-07-21 10:38:17,904 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 346 352)  the Hoare annotation is:  true
[2020-07-21 10:38:17,904 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 531 596)  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)|)))
[2020-07-21 10:38:17,904 INFO  L268        CegarLoopResult]: For program point  L543(lines 543 547)  no Hoare annotation was computed.
[2020-07-21 10:38:17,905 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 531 596)  no Hoare annotation was computed.
[2020-07-21 10:38:17,905 INFO  L264        CegarLoopResult]: At program point  L589(lines 540 590)  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)|)))
[2020-07-21 10:38:17,905 INFO  L264        CegarLoopResult]: At program point  L579(line 579)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0) (and (<= 1 ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0))))
[2020-07-21 10:38:17,905 INFO  L268        CegarLoopResult]: For program point  L577(lines 577 583)  no Hoare annotation was computed.
[2020-07-21 10:38:17,905 INFO  L264        CegarLoopResult]: At program point  L577-1(lines 571 584)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1)))
[2020-07-21 10:38:17,905 INFO  L268        CegarLoopResult]: For program point  L542(lines 541 588)  no Hoare annotation was computed.
[2020-07-21 10:38:17,905 INFO  L268        CegarLoopResult]: For program point  L571(lines 571 584)  no Hoare annotation was computed.
[2020-07-21 10:38:17,906 INFO  L264        CegarLoopResult]: At program point  L563(line 563)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1)))
[2020-07-21 10:38:17,906 INFO  L268        CegarLoopResult]: For program point  L561(lines 561 567)  no Hoare annotation was computed.
[2020-07-21 10:38:17,906 INFO  L268        CegarLoopResult]: For program point  L561-1(lines 561 567)  no Hoare annotation was computed.
[2020-07-21 10:38:17,906 INFO  L264        CegarLoopResult]: At program point  L586(lines 541 588)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1)))
[2020-07-21 10:38:17,906 INFO  L264        CegarLoopResult]: At program point  L553(line 553)  the Hoare annotation is:  (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1)))
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  L551(lines 551 557)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  L551-1(lines 551 557)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 531 596)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  L894(lines 894 914)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  L894-1(lines 894 914)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 880 925)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 880 925)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 880 925)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  L900(lines 900 907)  no Hoare annotation was computed.
[2020-07-21 10:38:17,907 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 271 279)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 271 279)  the Hoare annotation is:  true
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 271 279)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  L233(lines 233 241)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 225 247)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  L233-2(lines 233 241)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 225 247)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 225 247)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 282 291)  no Hoare annotation was computed.
[2020-07-21 10:38:17,908 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 282 291)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 282 291)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L801(lines 801 805)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L865(lines 865 876)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 777 879)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L828(lines 828 832)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L826-2(lines 826 846)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L847(lines 825 848)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L806(lines 806 822)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 777 879)  no Hoare annotation was computed.
[2020-07-21 10:38:17,909 INFO  L268        CegarLoopResult]: For program point  L866(lines 866 873)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L827(lines 826 846)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L858(line 858)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L858-1(line 858)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L823(lines 823 864)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 777 879)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L842(line 842)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  L842-1(line 842)  no Hoare annotation was computed.
[2020-07-21 10:38:17,910 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 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))
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 405 412)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 405 412)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 405 412)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-21 10:38:17,911 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 248 256)  the Hoare annotation is:  true
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 248 256)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 248 256)  no Hoare annotation was computed.
[2020-07-21 10:38:17,911 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 477 495)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  L486(lines 486 490)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 477 495)  the Hoare annotation is:  true
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 477 495)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L271        CegarLoopResult]: At program point  L484(line 484)  the Hoare annotation is:  true
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  L486-2(lines 486 490)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  L484-1(line 484)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  L208-1(lines 204 215)  no Hoare annotation was computed.
[2020-07-21 10:38:17,912 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 204 215)  the Hoare annotation is:  true
[2020-07-21 10:38:17,912 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 204 215)  no Hoare annotation was computed.
[2020-07-21 10:38:17,913 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,913 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,913 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,913 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 322 345)  the Hoare annotation is:  (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 .cse3 .cse4 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or .cse6 .cse3 .cse4) (or .cse6 .cse3 (<= 1 ~waterLevel~0) .cse5)))
[2020-07-21 10:38:17,913 INFO  L264        CegarLoopResult]: At program point  L335(line 335)  the Hoare annotation is:  (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~systemActive~0)) .cse0) (or .cse1 (and .cse2 .cse3) .cse0 .cse4) (or .cse1 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (<= ~waterLevel~0 1) .cse3) .cse0 (not (<= 1 |old(~waterLevel~0)|)))))
[2020-07-21 10:38:17,913 INFO  L264        CegarLoopResult]: At program point  L333(lines 333 339)  the Hoare annotation is:  (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0))) (and (let ((.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse3) .cse5 .cse6)) (or .cse7 .cse5 .cse4) (or .cse7 .cse5 (<= 1 ~waterLevel~0) .cse6) (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 (and .cse1 .cse2 .cse8) (and .cse2 .cse8 .cse4) (not (<= 2 |old(~waterLevel~0)|))))))
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 322 345)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L264        CegarLoopResult]: At program point  L328(line 328)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1) (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)))))
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 322 345)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  L326(lines 325 344)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 42 71)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 42 71)  the Hoare annotation is:  true
[2020-07-21 10:38:17,914 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 60)  no Hoare annotation was computed.
[2020-07-21 10:38:17,914 INFO  L271        CegarLoopResult]: At program point  L56-1(lines 56 60)  the Hoare annotation is:  true
[2020-07-21 10:38:17,915 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-07-21 10:38:17,915 INFO  L271        CegarLoopResult]: At program point  L52-2(lines 52 66)  the Hoare annotation is:  true
[2020-07-21 10:38:17,915 INFO  L271        CegarLoopResult]: At program point  L48(line 48)  the Hoare annotation is:  true
[2020-07-21 10:38:17,915 INFO  L268        CegarLoopResult]: For program point  L48-1(line 48)  no Hoare annotation was computed.
[2020-07-21 10:38:17,915 INFO  L271        CegarLoopResult]: At program point  L67(lines 42 71)  the Hoare annotation is:  true
[2020-07-21 10:38:17,915 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalENTRY(lines 216 224)  no Hoare annotation was computed.
[2020-07-21 10:38:17,915 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 216 224)  no Hoare annotation was computed.
[2020-07-21 10:38:17,915 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 216 224)  no Hoare annotation was computed.
[2020-07-21 10:38:17,915 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 180 191)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))
[2020-07-21 10:38:17,916 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 180 191)  no Hoare annotation was computed.
[2020-07-21 10:38:17,916 INFO  L268        CegarLoopResult]: For program point  L184-1(lines 180 191)  no Hoare annotation was computed.
[2020-07-21 10:38:17,916 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 99 105)  no Hoare annotation was computed.
[2020-07-21 10:38:17,916 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 99 105)  the Hoare annotation is:  true
[2020-07-21 10:38:17,916 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,916 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))
[2020-07-21 10:38:17,916 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-21 10:38:17,916 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 10:38:17,916 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-21 10:38:17,917 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378)  no Hoare annotation was computed.
[2020-07-21 10:38:17,917 INFO  L264        CegarLoopResult]: At program point  L373(line 373)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-21 10:38:17,917 INFO  L268        CegarLoopResult]: For program point  L373-1(lines 354 378)  no Hoare annotation was computed.
[2020-07-21 10:38:17,917 INFO  L264        CegarLoopResult]: At program point  L368(line 368)  the Hoare annotation is:  (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)))
[2020-07-21 10:38:17,917 INFO  L264        CegarLoopResult]: At program point  L364(line 364)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))))
[2020-07-21 10:38:17,917 INFO  L268        CegarLoopResult]: For program point  L362(lines 362 370)  no Hoare annotation was computed.
[2020-07-21 10:38:17,917 INFO  L264        CegarLoopResult]: At program point  L360(line 360)  the Hoare annotation is:  (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  L360-1(line 360)  no Hoare annotation was computed.
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  L358(lines 358 375)  no Hoare annotation was computed.
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 192 203)  no Hoare annotation was computed.
[2020-07-21 10:38:17,918 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 192 203)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse1) .cse2 .cse3) (or (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) .cse2 .cse3)))
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  L196-1(lines 192 203)  no Hoare annotation was computed.
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 598 605)  no Hoare annotation was computed.
[2020-07-21 10:38:17,918 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602)  no Hoare annotation was computed.
[2020-07-21 10:38:17,919 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 598 605)  the Hoare annotation is:  true
[2020-07-21 10:38:17,919 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 598 605)  no Hoare annotation was computed.
[2020-07-21 10:38:17,937 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:17 BoogieIcfgContainer
[2020-07-21 10:38:17,937 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 10:38:17,939 INFO  L168              Benchmark]: Toolchain (without parser) took 17584.43 ms. Allocated memory was 144.2 MB in the beginning and 459.3 MB in the end (delta: 315.1 MB). Free memory was 100.7 MB in the beginning and 296.0 MB in the end (delta: -195.3 MB). Peak memory consumption was 289.3 MB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,940 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,945 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 687.40 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 169.7 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,946 INFO  L168              Benchmark]: Boogie Preprocessor took 89.17 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,952 INFO  L168              Benchmark]: RCFGBuilder took 1061.65 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 195.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,953 INFO  L168              Benchmark]: TraceAbstraction took 15739.77 ms. Allocated memory was 232.3 MB in the beginning and 459.3 MB in the end (delta: 227.0 MB). Free memory was 195.5 MB in the beginning and 296.0 MB in the end (delta: -100.5 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB.
[2020-07-21 10:38:17,957 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 687.40 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 169.7 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 89.17 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1061.65 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 195.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 15739.77 ms. Allocated memory was 232.3 MB in the beginning and 459.3 MB in the end (delta: 227.0 MB). Free memory was 195.5 MB in the beginning and 296.0 MB in the end (delta: -100.5 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 602]: 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: 540]: Loop Invariant
    Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 52]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 42]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 541]: Loop Invariant
    Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((0 == systemActive && 0 == pumpRunning) && splverifierCounter <= 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1987 SDtfs, 1703 SDslu, 3649 SDs, 0 SdLazy, 2983 SolverSat, 965 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1639 GetRequests, 1552 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=945occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 479 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1805 PreInvPairs, 1877 NumberOfFragments, 1210 HoareAnnotationTreeSize, 1805 FomulaSimplifications, 3692 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 61 FomulaSimplificationsInter, 5327 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1284 NumberOfCodeBlocks, 1284 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1595 ConstructedInterpolants, 0 QuantifiedInterpolants, 362137 SizeOfPredicates, 43 NumberOfNonLiveVariables, 9439 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 427/486 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...