/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 16:22:50,165 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:22:50,168 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:22:50,185 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:22:50,185 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:22:50,187 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:22:50,189 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:22:50,198 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:22:50,203 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:22:50,205 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:22:50,207 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:22:50,208 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:22:50,208 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:22:50,209 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:22:50,211 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:22:50,212 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:22:50,214 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:22:50,215 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:22:50,217 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:22:50,221 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:22:50,225 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:22:50,229 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:22:50,230 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:22:50,231 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:22:50,234 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:22:50,234 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:22:50,234 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:22:50,237 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:22:50,237 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:22:50,239 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:22:50,239 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:22:50,240 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:22:50,241 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:22:50,241 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:22:50,243 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:22:50,243 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:22:50,244 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:22:50,244 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:22:50,244 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:22:50,245 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:22:50,246 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:22:50,247 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 16:22:50,283 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 16:22:50,283 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:22:50,284 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:22:50,285 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 16:22:50,285 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 16:22:50,285 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:22:50,287 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 16:22:50,287 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 16:22:50,287 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 16:22:50,287 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 16:22:50,288 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:22:50,288 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:22:50,288 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:22:50,289 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 16:22:50,289 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 16:22:50,290 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 16:22:50,290 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:22:50,290 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:22:50,290 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 16:22:50,290 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 16:22:50,291 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 16:22:50,291 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:22:50,291 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:22:50,292 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:22:50,292 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:22:50,292 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 16:22:50,293 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:50,293 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:22:50,293 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 16:22:50,296 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 16:22:50,585 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:22:50,604 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:22:50,608 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:22:50,609 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 16:22:50,610 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 16:22:50,610 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c
[2020-07-20 16:22:50,682 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd/FLAG2ef5f0206
[2020-07-20 16:22:51,175 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 16:22:51,176 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c
[2020-07-20 16:22:51,195 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd/FLAG2ef5f0206
[2020-07-20 16:22:51,531 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f9b2edb/8c63528cca6d4092a642fb9937aeebbd
[2020-07-20 16:22:51,539 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:22:51,541 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:22:51,542 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:22:51,542 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:22:51,545 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:22:51,546 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:51" (1/1) ...
[2020-07-20 16:22:51,549 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f6534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:51, skipping insertion in model container
[2020-07-20 16:22:51,549 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:51" (1/1) ...
[2020-07-20 16:22:51,556 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 16:22:51,604 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:22:51,910 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:22:52,019 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 16:22:52,099 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:22:52,141 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 16:22:52,141 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52 WrapperNode
[2020-07-20 16:22:52,141 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:22:52,143 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:22:52,143 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:22:52,143 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:22:52,152 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,153 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,174 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,175 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,205 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,215 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,221 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
[2020-07-20 16:22:52,228 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:22:52,229 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:22:52,229 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:22:52,229 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:22:52,230 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:22:52,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:22:52,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:22:52,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:22:52,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:22:52,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:22:52,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:22:52,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:22:52,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:22:52,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:22:52,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 16:22:52,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:22:52,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:22:52,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:22:52,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:22:52,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:22:52,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:22:52,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:22:52,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:22:52,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2020-07-20 16:22:52,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2020-07-20 16:22:52,315 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:22:52,315 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:22:52,315 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:22:52,315 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:22:52,316 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:22:52,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:22:52,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:22:52,317 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:22:52,317 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:22:52,317 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:22:52,317 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:22:52,317 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:22:52,318 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:22:52,319 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:22:52,320 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:22:52,320 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:22:52,320 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2020-07-20 16:22:52,320 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:22:52,320 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2020-07-20 16:22:52,321 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:22:52,322 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:22:52,323 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:22:52,323 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:22:52,323 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:22:52,324 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:22:52,324 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:22:52,325 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:22:52,326 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:22:52,326 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:22:52,327 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:22:52,327 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:22:53,348 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:22:53,348 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:22:53,353 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:53 BoogieIcfgContainer
[2020-07-20 16:22:53,353 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:22:53,354 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:22:53,354 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:22:53,357 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:22:53,358 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:51" (1/3) ...
[2020-07-20 16:22:53,358 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226df81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:53, skipping insertion in model container
[2020-07-20 16:22:53,358 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52" (2/3) ...
[2020-07-20 16:22:53,359 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226df81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:53, skipping insertion in model container
[2020-07-20 16:22:53,359 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:53" (3/3) ...
[2020-07-20 16:22:53,361 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c
[2020-07-20 16:22:53,370 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:22:53,378 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:22:53,391 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:22:53,415 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:22:53,415 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 16:22:53,415 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:22:53,415 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:22:53,416 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:22:53,416 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 16:22:53,416 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:22:53,416 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:22:53,437 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states.
[2020-07-20 16:22:53,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-07-20 16:22:53,447 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:53,448 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:53,448 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:53,454 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:53,454 INFO  L82        PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times
[2020-07-20 16:22:53,461 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:53,461 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668996231]
[2020-07-20 16:22:53,462 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:53,971 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:22:53,971 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:53,978 INFO  L263         TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:22:53,987 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:54,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:22:54,017 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:54,019 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668996231]
[2020-07-20 16:22:54,020 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:54,020 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:22:54,021 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930135771]
[2020-07-20 16:22:54,026 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:22:54,026 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:54,040 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:22:54,041 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:22:54,043 INFO  L87              Difference]: Start difference. First operand 151 states. Second operand 2 states.
[2020-07-20 16:22:54,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:54,081 INFO  L93              Difference]: Finished difference Result 212 states and 265 transitions.
[2020-07-20 16:22:54,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 16:22:54,083 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 51
[2020-07-20 16:22:54,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:54,095 INFO  L225             Difference]: With dead ends: 212
[2020-07-20 16:22:54,095 INFO  L226             Difference]: Without dead ends: 108
[2020-07-20 16:22:54,100 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:22:54,117 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2020-07-20 16:22:54,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108.
[2020-07-20 16:22:54,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 108 states.
[2020-07-20 16:22:54,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions.
[2020-07-20 16:22:54,150 INFO  L78                 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51
[2020-07-20 16:22:54,150 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:54,151 INFO  L479      AbstractCegarLoop]: Abstraction has 108 states and 126 transitions.
[2020-07-20 16:22:54,151 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:22:54,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions.
[2020-07-20 16:22:54,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 16:22:54,155 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:54,155 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:54,370 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:54,370 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:54,371 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:54,371 INFO  L82        PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times
[2020-07-20 16:22:54,372 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:54,373 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618546636]
[2020-07-20 16:22:54,373 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:54,778 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:22:54,778 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:54,783 INFO  L263         TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:22:54,787 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:54,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:22:54,825 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:54,826 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618546636]
[2020-07-20 16:22:54,826 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:54,826 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:22:54,826 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651270980]
[2020-07-20 16:22:54,828 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:22:54,828 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:54,829 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:22:54,829 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:54,829 INFO  L87              Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states.
[2020-07-20 16:22:54,847 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:54,847 INFO  L93              Difference]: Finished difference Result 157 states and 183 transitions.
[2020-07-20 16:22:54,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:22:54,848 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-07-20 16:22:54,848 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:54,850 INFO  L225             Difference]: With dead ends: 157
[2020-07-20 16:22:54,850 INFO  L226             Difference]: Without dead ends: 99
[2020-07-20 16:22:54,852 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:54,852 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2020-07-20 16:22:54,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2020-07-20 16:22:54,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 99 states.
[2020-07-20 16:22:54,863 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions.
[2020-07-20 16:22:54,864 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52
[2020-07-20 16:22:54,864 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:54,864 INFO  L479      AbstractCegarLoop]: Abstraction has 99 states and 114 transitions.
[2020-07-20 16:22:54,864 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:22:54,864 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions.
[2020-07-20 16:22:54,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-07-20 16:22:54,867 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:54,867 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:55,080 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:55,081 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:55,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:55,082 INFO  L82        PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times
[2020-07-20 16:22:55,082 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:55,082 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050507964]
[2020-07-20 16:22:55,083 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:55,414 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:22:55,414 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:55,420 INFO  L263         TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:22:55,425 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:55,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:22:55,447 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:55,448 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050507964]
[2020-07-20 16:22:55,448 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:55,448 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:22:55,448 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54359197]
[2020-07-20 16:22:55,449 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:22:55,449 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:55,449 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:22:55,450 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:55,450 INFO  L87              Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states.
[2020-07-20 16:22:55,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:55,477 INFO  L93              Difference]: Finished difference Result 170 states and 201 transitions.
[2020-07-20 16:22:55,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:22:55,481 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 57
[2020-07-20 16:22:55,481 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:55,484 INFO  L225             Difference]: With dead ends: 170
[2020-07-20 16:22:55,484 INFO  L226             Difference]: Without dead ends: 99
[2020-07-20 16:22:55,485 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:55,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2020-07-20 16:22:55,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2020-07-20 16:22:55,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 99 states.
[2020-07-20 16:22:55,507 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions.
[2020-07-20 16:22:55,507 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57
[2020-07-20 16:22:55,507 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:55,507 INFO  L479      AbstractCegarLoop]: Abstraction has 99 states and 113 transitions.
[2020-07-20 16:22:55,507 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:22:55,508 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions.
[2020-07-20 16:22:55,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 16:22:55,514 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:55,515 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:55,727 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:55,728 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:55,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:55,729 INFO  L82        PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times
[2020-07-20 16:22:55,730 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:55,730 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264654737]
[2020-07-20 16:22:55,731 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:56,170 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:22:56,170 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:56,177 INFO  L263         TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 23 conjunts are in the unsatisfiable core
[2020-07-20 16:22:56,181 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:56,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:22:56,225 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:56,225 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264654737]
[2020-07-20 16:22:56,226 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:56,226 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:22:56,226 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440487143]
[2020-07-20 16:22:56,227 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:22:56,227 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:56,227 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:22:56,227 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:22:56,228 INFO  L87              Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states.
[2020-07-20 16:22:56,411 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:56,412 INFO  L93              Difference]: Finished difference Result 233 states and 278 transitions.
[2020-07-20 16:22:56,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 16:22:56,412 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2020-07-20 16:22:56,413 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:56,416 INFO  L225             Difference]: With dead ends: 233
[2020-07-20 16:22:56,416 INFO  L226             Difference]: Without dead ends: 162
[2020-07-20 16:22:56,417 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 16:22:56,418 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2020-07-20 16:22:56,435 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160.
[2020-07-20 16:22:56,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 160 states.
[2020-07-20 16:22:56,437 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions.
[2020-07-20 16:22:56,437 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65
[2020-07-20 16:22:56,437 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:56,438 INFO  L479      AbstractCegarLoop]: Abstraction has 160 states and 186 transitions.
[2020-07-20 16:22:56,438 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:22:56,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions.
[2020-07-20 16:22:56,440 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-07-20 16:22:56,440 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:56,441 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:56,653 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:56,654 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:56,655 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:56,655 INFO  L82        PathProgramCache]: Analyzing trace with hash 419141833, now seen corresponding path program 1 times
[2020-07-20 16:22:56,656 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:56,656 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62742946]
[2020-07-20 16:22:56,657 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:57,086 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:22:57,086 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:57,092 INFO  L263         TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-20 16:22:57,095 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:57,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:22:57,116 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:57,116 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62742946]
[2020-07-20 16:22:57,116 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:57,117 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:22:57,117 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200284999]
[2020-07-20 16:22:57,117 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:22:57,118 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:57,118 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:22:57,118 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:57,118 INFO  L87              Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 3 states.
[2020-07-20 16:22:57,148 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:57,149 INFO  L93              Difference]: Finished difference Result 276 states and 330 transitions.
[2020-07-20 16:22:57,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:22:57,149 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 69
[2020-07-20 16:22:57,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:57,152 INFO  L225             Difference]: With dead ends: 276
[2020-07-20 16:22:57,152 INFO  L226             Difference]: Without dead ends: 273
[2020-07-20 16:22:57,153 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:22:57,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2020-07-20 16:22:57,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 230.
[2020-07-20 16:22:57,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-07-20 16:22:57,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 274 transitions.
[2020-07-20 16:22:57,177 INFO  L78                 Accepts]: Start accepts. Automaton has 230 states and 274 transitions. Word has length 69
[2020-07-20 16:22:57,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:57,178 INFO  L479      AbstractCegarLoop]: Abstraction has 230 states and 274 transitions.
[2020-07-20 16:22:57,178 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:22:57,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 230 states and 274 transitions.
[2020-07-20 16:22:57,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-07-20 16:22:57,181 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:22:57,181 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:22:57,396 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:57,397 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:22:57,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:22:57,398 INFO  L82        PathProgramCache]: Analyzing trace with hash -1666087687, now seen corresponding path program 1 times
[2020-07-20 16:22:57,398 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:22:57,398 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389974657]
[2020-07-20 16:22:57,399 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:57,704 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:22:57,704 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:22:57,710 INFO  L263         TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 16:22:57,713 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:22:57,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-07-20 16:22:57,756 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:22:57,757 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389974657]
[2020-07-20 16:22:57,757 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:22:57,757 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:22:57,757 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637760214]
[2020-07-20 16:22:57,758 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:22:57,758 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:22:57,759 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:22:57,759 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:22:57,759 INFO  L87              Difference]: Start difference. First operand 230 states and 274 transitions. Second operand 6 states.
[2020-07-20 16:22:58,074 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:22:58,074 INFO  L93              Difference]: Finished difference Result 326 states and 394 transitions.
[2020-07-20 16:22:58,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 16:22:58,075 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 108
[2020-07-20 16:22:58,075 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:22:58,076 INFO  L225             Difference]: With dead ends: 326
[2020-07-20 16:22:58,076 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 16:22:58,078 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:22:58,078 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 16:22:58,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 16:22:58,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 16:22:58,082 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 16:22:58,083 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108
[2020-07-20 16:22:58,083 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:22:58,083 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 16:22:58,083 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:22:58,083 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 16:22:58,083 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 16:22:58,294 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:22:58,298 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 16:22:59,595 INFO  L268        CegarLoopResult]: For program point  L503(lines 503 507)  no Hoare annotation was computed.
[2020-07-20 16:22:59,595 INFO  L268        CegarLoopResult]: For program point  L503-1(lines 503 507)  no Hoare annotation was computed.
[2020-07-20 16:22:59,595 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 472 527)  no Hoare annotation was computed.
[2020-07-20 16:22:59,595 INFO  L268        CegarLoopResult]: For program point  L498(line 498)  no Hoare annotation was computed.
[2020-07-20 16:22:59,595 INFO  L268        CegarLoopResult]: For program point  L497-2(lines 497 518)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  L519(lines 496 520)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 472 527)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 472 527)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  L573(line 573)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  L573-1(line 573)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 528 587)  no Hoare annotation was computed.
[2020-07-20 16:22:59,596 INFO  L268        CegarLoopResult]: For program point  L560(lines 560 564)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  L560-1(lines 560 564)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 528 587)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  L555(line 555)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 528 587)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  L554-2(lines 554 579)  no Hoare annotation was computed.
[2020-07-20 16:22:59,597 INFO  L268        CegarLoopResult]: For program point  L580(lines 553 581)  no Hoare annotation was computed.
[2020-07-20 16:22:59,598 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 61 67)  the Hoare annotation is:  true
[2020-07-20 16:22:59,598 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 61 67)  no Hoare annotation was computed.
[2020-07-20 16:22:59,598 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 68 76)  no Hoare annotation was computed.
[2020-07-20 16:22:59,598 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 68 76)  the Hoare annotation is:  true
[2020-07-20 16:22:59,598 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 68 76)  no Hoare annotation was computed.
[2020-07-20 16:22:59,598 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 868 890)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,598 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 868 890)  no Hoare annotation was computed.
[2020-07-20 16:22:59,599 INFO  L264        CegarLoopResult]: At program point  L880(line 880)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,599 INFO  L264        CegarLoopResult]: At program point  L880-1(line 880)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,599 INFO  L268        CegarLoopResult]: For program point  L878(lines 878 885)  no Hoare annotation was computed.
[2020-07-20 16:22:59,599 INFO  L268        CegarLoopResult]: For program point  L878-1(lines 878 885)  no Hoare annotation was computed.
[2020-07-20 16:22:59,599 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 868 890)  no Hoare annotation was computed.
[2020-07-20 16:22:59,599 INFO  L268        CegarLoopResult]: For program point  L876(line 876)  no Hoare annotation was computed.
[2020-07-20 16:22:59,600 INFO  L264        CegarLoopResult]: At program point  L875(line 875)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,600 INFO  L264        CegarLoopResult]: At program point  L874(line 874)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,600 INFO  L264        CegarLoopResult]: At program point  L874-1(line 874)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,600 INFO  L268        CegarLoopResult]: For program point  L833(line 833)  no Hoare annotation was computed.
[2020-07-20 16:22:59,600 INFO  L268        CegarLoopResult]: For program point  L832(line 832)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 826 849)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  L831(line 831)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 826 849)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 826 849)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  L844(line 844)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  L843(line 843)  no Hoare annotation was computed.
[2020-07-20 16:22:59,601 INFO  L268        CegarLoopResult]: For program point  L842(line 842)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L841(line 841)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L840(line 840)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L839(line 839)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L838(line 838)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L837(line 837)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L836(line 836)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L835(line 835)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  L834(line 834)  no Hoare annotation was computed.
[2020-07-20 16:22:59,602 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 245 253)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 245 253)  the Hoare annotation is:  true
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 245 253)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  L284(line 284)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  L284-1(line 284)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  L273(lines 273 281)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  L273-2(lines 273 281)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 254 289)  no Hoare annotation was computed.
[2020-07-20 16:22:59,603 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 254 289)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 269)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  L261-2(lines 261 269)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 254 289)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 54 60)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 54 60)  the Hoare annotation is:  true
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 426 471)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 426 471)  no Hoare annotation was computed.
[2020-07-20 16:22:59,604 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 426 471)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 739 784)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  L759(lines 759 766)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  L753(lines 753 773)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  L753-1(lines 753 773)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 739 784)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 739 784)  no Hoare annotation was computed.
[2020-07-20 16:22:59,605 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 857 867)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,606 INFO  L264        CegarLoopResult]: At program point  L862(line 862)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,606 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 857 867)  no Hoare annotation was computed.
[2020-07-20 16:22:59,606 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 857 867)  no Hoare annotation was computed.
[2020-07-20 16:22:59,606 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 234 244)  the Hoare annotation is:  true
[2020-07-20 16:22:59,606 INFO  L271        CegarLoopResult]: At program point  L239(line 239)  the Hoare annotation is:  true
[2020-07-20 16:22:59,606 INFO  L268        CegarLoopResult]: For program point  L239-1(line 239)  no Hoare annotation was computed.
[2020-07-20 16:22:59,606 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 234 244)  no Hoare annotation was computed.
[2020-07-20 16:22:59,607 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 234 244)  no Hoare annotation was computed.
[2020-07-20 16:22:59,607 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 226 233)  the Hoare annotation is:  true
[2020-07-20 16:22:59,607 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 226 233)  no Hoare annotation was computed.
[2020-07-20 16:22:59,607 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 226 233)  no Hoare annotation was computed.
[2020-07-20 16:22:59,607 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 193 217)  no Hoare annotation was computed.
[2020-07-20 16:22:59,607 INFO  L264        CegarLoopResult]: At program point  L212(line 212)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 16:22:59,607 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 193 217)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 16:22:59,608 INFO  L268        CegarLoopResult]: For program point  L212-1(lines 193 217)  no Hoare annotation was computed.
[2020-07-20 16:22:59,608 INFO  L264        CegarLoopResult]: At program point  L207(line 207)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1)))
[2020-07-20 16:22:59,608 INFO  L264        CegarLoopResult]: At program point  L203(line 203)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1)))
[2020-07-20 16:22:59,608 INFO  L268        CegarLoopResult]: For program point  L201(lines 201 209)  no Hoare annotation was computed.
[2020-07-20 16:22:59,608 INFO  L264        CegarLoopResult]: At program point  L199(line 199)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1)))
[2020-07-20 16:22:59,609 INFO  L268        CegarLoopResult]: For program point  L199-1(line 199)  no Hoare annotation was computed.
[2020-07-20 16:22:59,609 INFO  L268        CegarLoopResult]: For program point  L197(lines 197 214)  no Hoare annotation was computed.
[2020-07-20 16:22:59,609 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 185 191)  no Hoare annotation was computed.
[2020-07-20 16:22:59,609 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 185 191)  the Hoare annotation is:  true
[2020-07-20 16:22:59,609 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 83 148)  the Hoare annotation is:  (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,609 INFO  L268        CegarLoopResult]: For program point  L95(lines 95 99)  no Hoare annotation was computed.
[2020-07-20 16:22:59,609 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 83 148)  no Hoare annotation was computed.
[2020-07-20 16:22:59,610 INFO  L264        CegarLoopResult]: At program point  L141(lines 92 142)  the Hoare annotation is:  (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:22:59,610 INFO  L268        CegarLoopResult]: For program point  L131(lines 131 135)  no Hoare annotation was computed.
[2020-07-20 16:22:59,610 INFO  L264        CegarLoopResult]: At program point  L131-2(lines 123 136)  the Hoare annotation is:  (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2)))
[2020-07-20 16:22:59,610 INFO  L268        CegarLoopResult]: For program point  L94(lines 93 140)  no Hoare annotation was computed.
[2020-07-20 16:22:59,610 INFO  L264        CegarLoopResult]: At program point  L125(line 125)  the Hoare annotation is:  (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2)))
[2020-07-20 16:22:59,610 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 136)  no Hoare annotation was computed.
[2020-07-20 16:22:59,611 INFO  L264        CegarLoopResult]: At program point  L115(line 115)  the Hoare annotation is:  (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)))
[2020-07-20 16:22:59,611 INFO  L268        CegarLoopResult]: For program point  L113(lines 113 119)  no Hoare annotation was computed.
[2020-07-20 16:22:59,611 INFO  L268        CegarLoopResult]: For program point  L113-1(lines 113 119)  no Hoare annotation was computed.
[2020-07-20 16:22:59,611 INFO  L264        CegarLoopResult]: At program point  L138(lines 93 140)  the Hoare annotation is:  (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)))
[2020-07-20 16:22:59,611 INFO  L264        CegarLoopResult]: At program point  L105(line 105)  the Hoare annotation is:  (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)))
[2020-07-20 16:22:59,611 INFO  L268        CegarLoopResult]: For program point  L103(lines 103 109)  no Hoare annotation was computed.
[2020-07-20 16:22:59,611 INFO  L268        CegarLoopResult]: For program point  L103-1(lines 103 109)  no Hoare annotation was computed.
[2020-07-20 16:22:59,611 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 83 148)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 693 738)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 693 738)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 693 738)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  L713(lines 713 720)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  L707(lines 707 727)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  L707-1(lines 707 727)  no Hoare annotation was computed.
[2020-07-20 16:22:59,612 INFO  L264        CegarLoopResult]: At program point  L405(line 405)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1)))
[2020-07-20 16:22:59,612 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 409)  no Hoare annotation was computed.
[2020-07-20 16:22:59,613 INFO  L268        CegarLoopResult]: For program point  L402(lines 402 412)  no Hoare annotation was computed.
[2020-07-20 16:22:59,613 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__2ENTRY(lines 390 418)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0)))
[2020-07-20 16:22:59,613 INFO  L264        CegarLoopResult]: At program point  L400(line 400)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1)))
[2020-07-20 16:22:59,613 INFO  L268        CegarLoopResult]: For program point  L400-1(line 400)  no Hoare annotation was computed.
[2020-07-20 16:22:59,613 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 415)  no Hoare annotation was computed.
[2020-07-20 16:22:59,613 INFO  L268        CegarLoopResult]: For program point  L398-1(lines 390 418)  no Hoare annotation was computed.
[2020-07-20 16:22:59,613 INFO  L264        CegarLoopResult]: At program point  L396(line 396)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0)))
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  L396-1(line 396)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__2EXIT(lines 390 418)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  L355-2(lines 355 363)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 347 369)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 347 369)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 347 369)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L268        CegarLoopResult]: For program point  L355(lines 355 363)  no Hoare annotation was computed.
[2020-07-20 16:22:59,614 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__1ENTRY(lines 382 389)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)))
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1FINAL(lines 382 389)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1EXIT(lines 382 389)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 44 53)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 44 53)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 44 53)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  L640(lines 639 659)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  L671(line 671)  no Hoare annotation was computed.
[2020-07-20 16:22:59,615 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 590 692)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L671-1(line 671)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L636(lines 636 677)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L655(line 655)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L655-1(line 655)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L614(lines 614 618)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L678(lines 678 689)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 590 692)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L641(lines 641 645)  no Hoare annotation was computed.
[2020-07-20 16:22:59,616 INFO  L268        CegarLoopResult]: For program point  L639-2(lines 639 659)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  L660(lines 638 661)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 590 692)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  L619(lines 619 635)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  L679(lines 679 686)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,617 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 218 225)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 218 225)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 218 225)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 370 378)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 370 378)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 370 378)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 326 337)  the Hoare annotation is:  (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0)))
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  L330-1(lines 326 337)  no Hoare annotation was computed.
[2020-07-20 16:22:59,618 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 326 337)  no Hoare annotation was computed.
[2020-07-20 16:22:59,619 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,619 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,619 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,619 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 161 184)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 16:22:59,619 INFO  L264        CegarLoopResult]: At program point  L174(line 174)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 16:22:59,619 INFO  L264        CegarLoopResult]: At program point  L172(lines 172 178)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1 (and (= 0 ~methAndRunningLastTime~0) .cse2)) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2)))
[2020-07-20 16:22:59,620 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 161 184)  no Hoare annotation was computed.
[2020-07-20 16:22:59,620 INFO  L264        CegarLoopResult]: At program point  L167(line 167)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)))))
[2020-07-20 16:22:59,620 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 161 184)  no Hoare annotation was computed.
[2020-07-20 16:22:59,620 INFO  L268        CegarLoopResult]: For program point  L165(lines 164 183)  no Hoare annotation was computed.
[2020-07-20 16:22:59,620 INFO  L268        CegarLoopResult]: For program point  L802-1(line 802)  no Hoare annotation was computed.
[2020-07-20 16:22:59,620 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 796 825)  no Hoare annotation was computed.
[2020-07-20 16:22:59,620 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 796 825)  the Hoare annotation is:  true
[2020-07-20 16:22:59,621 INFO  L271        CegarLoopResult]: At program point  L821(lines 796 825)  the Hoare annotation is:  true
[2020-07-20 16:22:59,621 INFO  L268        CegarLoopResult]: For program point  L817(line 817)  no Hoare annotation was computed.
[2020-07-20 16:22:59,621 INFO  L268        CegarLoopResult]: For program point  L810(lines 810 814)  no Hoare annotation was computed.
[2020-07-20 16:22:59,621 INFO  L271        CegarLoopResult]: At program point  L810-1(lines 810 814)  the Hoare annotation is:  true
[2020-07-20 16:22:59,621 INFO  L268        CegarLoopResult]: For program point  L807(line 807)  no Hoare annotation was computed.
[2020-07-20 16:22:59,621 INFO  L271        CegarLoopResult]: At program point  L806-2(lines 806 820)  the Hoare annotation is:  true
[2020-07-20 16:22:59,621 INFO  L271        CegarLoopResult]: At program point  L802(line 802)  the Hoare annotation is:  true
[2020-07-20 16:22:59,622 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 338 346)  the Hoare annotation is:  true
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 338 346)  no Hoare annotation was computed.
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 338 346)  no Hoare annotation was computed.
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  L306-1(lines 302 313)  no Hoare annotation was computed.
[2020-07-20 16:22:59,622 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 302 313)  the Hoare annotation is:  true
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 302 313)  no Hoare annotation was computed.
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 850 856)  no Hoare annotation was computed.
[2020-07-20 16:22:59,622 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 850 856)  the Hoare annotation is:  true
[2020-07-20 16:22:59,622 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,623 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))
[2020-07-20 16:22:59,623 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 16:22:59,623 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:22:59,623 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 290 297)  no Hoare annotation was computed.
[2020-07-20 16:22:59,623 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 290 297)  the Hoare annotation is:  (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))
[2020-07-20 16:22:59,623 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 290 297)  no Hoare annotation was computed.
[2020-07-20 16:22:59,623 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 314 325)  no Hoare annotation was computed.
[2020-07-20 16:22:59,623 INFO  L268        CegarLoopResult]: For program point  L318-1(lines 314 325)  no Hoare annotation was computed.
[2020-07-20 16:22:59,624 INFO  L271        CegarLoopResult]: At program point  waterRiseENTRY(lines 314 325)  the Hoare annotation is:  true
[2020-07-20 16:22:59,624 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 786 793)  no Hoare annotation was computed.
[2020-07-20 16:22:59,624 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790)  no Hoare annotation was computed.
[2020-07-20 16:22:59,624 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 786 793)  the Hoare annotation is:  true
[2020-07-20 16:22:59,624 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 786 793)  no Hoare annotation was computed.
[2020-07-20 16:22:59,640 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:59 BoogieIcfgContainer
[2020-07-20 16:22:59,640 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:22:59,645 INFO  L168              Benchmark]: Toolchain (without parser) took 8101.81 ms. Allocated memory was 137.9 MB in the beginning and 287.3 MB in the end (delta: 149.4 MB). Free memory was 102.2 MB in the beginning and 138.1 MB in the end (delta: -36.0 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,646 INFO  L168              Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,646 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 600.35 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 172.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,647 INFO  L168              Benchmark]: Boogie Preprocessor took 85.58 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,648 INFO  L168              Benchmark]: RCFGBuilder took 1124.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.8 MB in the beginning and 201.4 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,649 INFO  L168              Benchmark]: TraceAbstraction took 6286.31 ms. Allocated memory was 234.9 MB in the beginning and 287.3 MB in the end (delta: 52.4 MB). Free memory was 201.4 MB in the beginning and 138.1 MB in the end (delta: 63.3 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB.
[2020-07-20 16:22:59,654 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 600.35 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 172.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 85.58 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1124.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.8 MB in the beginning and 201.4 MB in the end (delta: -33.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 6286.31 ms. Allocated memory was 234.9 MB in the beginning and 287.3 MB in the end (delta: 52.4 MB). Free memory was 201.4 MB in the beginning and 138.1 MB in the end (delta: 63.3 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 790]: 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: 93]: Loop Invariant
    Derived loop invariant: (((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))) || (((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)
  - InvariantResult [Line: 92]: Loop Invariant
    Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 806]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 796]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 694 SDtfs, 263 SDslu, 703 SDs, 0 SdLazy, 183 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 259 PreInvPairs, 274 NumberOfFragments, 943 HoareAnnotationTreeSize, 259 FomulaSimplifications, 201 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 708 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 402 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 51916 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4212 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 35/35 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...