/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 10:21:48,327 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 10:21:48,329 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 10:21:48,354 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 10:21:48,355 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 10:21:48,356 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 10:21:48,357 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 10:21:48,359 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 10:21:48,360 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 10:21:48,361 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 10:21:48,362 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 10:21:48,363 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 10:21:48,363 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 10:21:48,364 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 10:21:48,365 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 10:21:48,366 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 10:21:48,367 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 10:21:48,368 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 10:21:48,370 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 10:21:48,371 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 10:21:48,373 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 10:21:48,374 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 10:21:48,375 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 10:21:48,379 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 10:21:48,381 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 10:21:48,381 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 10:21:48,382 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 10:21:48,383 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 10:21:48,386 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 10:21:48,388 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 10:21:48,388 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 10:21:48,390 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 10:21:48,391 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 10:21:48,391 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 10:21:48,392 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 10:21:48,393 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 10:21:48,393 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 10:21:48,393 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 10:21:48,395 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 10:21:48,402 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 10:21:48,403 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 10:21:48,404 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-18 10:21:48,450 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 10:21:48,451 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 10:21:48,452 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 10:21:48,452 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 10:21:48,452 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 10:21:48,453 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 10:21:48,453 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 10:21:48,453 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 10:21:48,454 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 10:21:48,454 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 10:21:48,455 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 10:21:48,455 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 10:21:48,455 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 10:21:48,456 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 10:21:48,457 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 10:21:48,457 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 10:21:48,457 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 10:21:48,457 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 10:21:48,457 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 10:21:48,457 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 10:21:48,458 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 10:21:48,458 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 10:21:48,458 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 10:21:48,458 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 10:21:48,459 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 10:21:48,459 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 10:21:48,459 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 10:21:48,459 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 10:21:48,459 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 10:21:48,460 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 -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false
[2020-08-18 10:21:48,789 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 10:21:48,812 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 10:21:48,816 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 10:21:48,817 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 10:21:48,818 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 10:21:48,818 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-08-18 10:21:48,881 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f340dd4/5ef3da7d26834786aa15156d962c9ac0/FLAG3eafc3fe6
[2020-08-18 10:21:49,420 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 10:21:49,421 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-08-18 10:21:49,432 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f340dd4/5ef3da7d26834786aa15156d962c9ac0/FLAG3eafc3fe6
[2020-08-18 10:21:49,757 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f340dd4/5ef3da7d26834786aa15156d962c9ac0
[2020-08-18 10:21:49,767 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 10:21:49,769 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 10:21:49,770 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 10:21:49,770 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 10:21:49,776 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 10:21:49,777 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:21:49" (1/1) ...
[2020-08-18 10:21:49,781 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9a5625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:49, skipping insertion in model container
[2020-08-18 10:21:49,781 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:21:49" (1/1) ...
[2020-08-18 10:21:49,790 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 10:21:49,853 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 10:21:50,344 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 10:21:50,365 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 10:21:50,465 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 10:21:50,502 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 10:21:50,503 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50 WrapperNode
[2020-08-18 10:21:50,503 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 10:21:50,504 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 10:21:50,504 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 10:21:50,504 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 10:21:50,521 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,521 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,540 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,541 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,573 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,584 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,589 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
[2020-08-18 10:21:50,596 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 10:21:50,599 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 10:21:50,599 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 10:21:50,599 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 10:21:50,600 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-08-18 10:21:50,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 10:21:50,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 10:21:50,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 10:21:50,674 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 10:21:50,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 10:21:50,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 10:21:50,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 10:21:50,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 10:21:50,679 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 10:21:50,679 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 10:21:50,679 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 10:21:50,679 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 10:21:50,679 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 10:21:50,679 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 10:21:50,680 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 10:21:50,681 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 10:21:50,682 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 10:21:50,683 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 10:21:50,684 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 10:21:50,685 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 10:21:50,686 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 10:21:50,687 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 10:21:50,687 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 10:21:51,682 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 10:21:51,682 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 10:21:51,687 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:21:51 BoogieIcfgContainer
[2020-08-18 10:21:51,687 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 10:21:51,688 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 10:21:51,688 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 10:21:51,695 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 10:21:51,696 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:21:49" (1/3) ...
[2020-08-18 10:21:51,697 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d76f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:21:51, skipping insertion in model container
[2020-08-18 10:21:51,697 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:21:50" (2/3) ...
[2020-08-18 10:21:51,697 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d76f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:21:51, skipping insertion in model container
[2020-08-18 10:21:51,697 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:21:51" (3/3) ...
[2020-08-18 10:21:51,699 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c
[2020-08-18 10:21:51,709 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 10:21:51,717 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 10:21:51,730 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 10:21:51,751 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 10:21:51,752 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 10:21:51,752 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 10:21:51,758 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 10:21:51,758 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 10:21:51,758 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 10:21:51,759 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 10:21:51,759 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 10:21:51,786 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states.
[2020-08-18 10:21:51,794 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 10:21:51,795 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 10:21:51,796 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]
[2020-08-18 10:21:51,796 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 10:21:51,801 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 10:21:51,801 INFO  L82        PathProgramCache]: Analyzing trace with hash 269315160, now seen corresponding path program 1 times
[2020-08-18 10:21:51,808 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 10:21:51,808 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368730376]
[2020-08-18 10:21:51,809 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 10:21:52,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,444 WARN  L193               SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 10:21:52,446 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 10:21:52,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,498 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 10:21:52,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,501 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 10:21:52,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,504 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 10:21:52,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,507 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 10:21:52,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,510 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-18 10:21:52,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,513 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 10:21:52,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,516 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-18 10:21:52,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:52,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 10:21:52,536 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368730376]
[2020-08-18 10:21:52,538 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 10:21:52,538 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 10:21:52,539 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886098924]
[2020-08-18 10:21:52,545 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-18 10:21:52,545 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 10:21:52,560 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-18 10:21:52,561 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 10:21:52,564 INFO  L87              Difference]: Start difference. First operand 156 states. Second operand 3 states.
[2020-08-18 10:21:53,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 10:21:53,654 INFO  L93              Difference]: Finished difference Result 249 states and 331 transitions.
[2020-08-18 10:21:53,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-18 10:21:53,657 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2020-08-18 10:21:53,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 10:21:53,671 INFO  L225             Difference]: With dead ends: 249
[2020-08-18 10:21:53,672 INFO  L226             Difference]: Without dead ends: 135
[2020-08-18 10:21:53,677 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 10:21:53,696 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135 states.
[2020-08-18 10:21:53,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105.
[2020-08-18 10:21:53,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 105 states.
[2020-08-18 10:21:53,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions.
[2020-08-18 10:21:53,759 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52
[2020-08-18 10:21:53,759 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 10:21:53,760 INFO  L479      AbstractCegarLoop]: Abstraction has 105 states and 123 transitions.
[2020-08-18 10:21:53,760 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-18 10:21:53,760 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions.
[2020-08-18 10:21:53,763 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-08-18 10:21:53,763 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 10:21:53,764 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]
[2020-08-18 10:21:53,764 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 10:21:53,764 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 10:21:53,765 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 10:21:53,765 INFO  L82        PathProgramCache]: Analyzing trace with hash -1813296693, now seen corresponding path program 1 times
[2020-08-18 10:21:53,765 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 10:21:53,766 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789828684]
[2020-08-18 10:21:53,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 10:21:53,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,101 WARN  L193               SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 10:21:54,102 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 10:21:54,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,131 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 10:21:54,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,132 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 10:21:54,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,134 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 10:21:54,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,136 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 10:21:54,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,138 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 10:21:54,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,140 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 10:21:54,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,142 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-08-18 10:21:54,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:54,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 10:21:54,151 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789828684]
[2020-08-18 10:21:54,151 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 10:21:54,151 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 10:21:54,152 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368749923]
[2020-08-18 10:21:54,153 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 10:21:54,154 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 10:21:54,154 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 10:21:54,154 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 10:21:54,154 INFO  L87              Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 4 states.
[2020-08-18 10:21:54,585 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 10:21:55,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 10:21:55,249 INFO  L93              Difference]: Finished difference Result 182 states and 222 transitions.
[2020-08-18 10:21:55,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 10:21:55,251 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 53
[2020-08-18 10:21:55,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 10:21:55,254 INFO  L225             Difference]: With dead ends: 182
[2020-08-18 10:21:55,254 INFO  L226             Difference]: Without dead ends: 119
[2020-08-18 10:21:55,255 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-18 10:21:55,256 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2020-08-18 10:21:55,288 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96.
[2020-08-18 10:21:55,289 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2020-08-18 10:21:55,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions.
[2020-08-18 10:21:55,290 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53
[2020-08-18 10:21:55,290 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 10:21:55,291 INFO  L479      AbstractCegarLoop]: Abstraction has 96 states and 111 transitions.
[2020-08-18 10:21:55,291 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 10:21:55,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions.
[2020-08-18 10:21:55,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-08-18 10:21:55,293 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 10:21:55,293 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]
[2020-08-18 10:21:55,293 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 10:21:55,294 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 10:21:55,294 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 10:21:55,294 INFO  L82        PathProgramCache]: Analyzing trace with hash -2099874592, now seen corresponding path program 1 times
[2020-08-18 10:21:55,294 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 10:21:55,295 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738798269]
[2020-08-18 10:21:55,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 10:21:55,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,615 WARN  L193               SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 10:21:55,617 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 10:21:55,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,707 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 10:21:55,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,710 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 10:21:55,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,714 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 10:21:55,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,735 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 10:21:55,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,738 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 10:21:55,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,741 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 10:21:55,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,743 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-18 10:21:55,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:55,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 10:21:55,758 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738798269]
[2020-08-18 10:21:55,758 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 10:21:55,758 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 10:21:55,759 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366431040]
[2020-08-18 10:21:55,761 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 10:21:55,761 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 10:21:55,762 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 10:21:55,762 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 10:21:55,762 INFO  L87              Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 8 states.
[2020-08-18 10:21:56,151 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 10:21:56,448 WARN  L193               SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:21:56,700 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:21:56,952 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:21:57,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 10:21:57,902 INFO  L93              Difference]: Finished difference Result 191 states and 236 transitions.
[2020-08-18 10:21:57,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-08-18 10:21:57,902 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 57
[2020-08-18 10:21:57,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 10:21:57,905 INFO  L225             Difference]: With dead ends: 191
[2020-08-18 10:21:57,906 INFO  L226             Difference]: Without dead ends: 119
[2020-08-18 10:21:57,907 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-08-18 10:21:57,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2020-08-18 10:21:57,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96.
[2020-08-18 10:21:57,935 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2020-08-18 10:21:57,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions.
[2020-08-18 10:21:57,937 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57
[2020-08-18 10:21:57,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 10:21:57,937 INFO  L479      AbstractCegarLoop]: Abstraction has 96 states and 110 transitions.
[2020-08-18 10:21:57,937 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 10:21:57,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions.
[2020-08-18 10:21:57,938 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-08-18 10:21:57,939 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 10:21:57,939 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]
[2020-08-18 10:21:57,939 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 10:21:57,939 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 10:21:57,940 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 10:21:57,940 INFO  L82        PathProgramCache]: Analyzing trace with hash 1251058736, now seen corresponding path program 1 times
[2020-08-18 10:21:57,940 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 10:21:57,940 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094293233]
[2020-08-18 10:21:57,940 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 10:21:57,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,248 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 10:21:58,249 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 10:21:58,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,286 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 10:21:58,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,288 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 10:21:58,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,290 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 10:21:58,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,293 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 10:21:58,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,310 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-18 10:21:58,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,313 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 10:21:58,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,315 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-08-18 10:21:58,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,317 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2020-08-18 10:21:58,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,330 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2020-08-18 10:21:58,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 10:21:58,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 10:21:58,340 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094293233]
[2020-08-18 10:21:58,340 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 10:21:58,340 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 10:21:58,340 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071127700]
[2020-08-18 10:21:58,341 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 10:21:58,341 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 10:21:58,341 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 10:21:58,342 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 10:21:58,342 INFO  L87              Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 8 states.
[2020-08-18 10:21:58,690 WARN  L193               SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 10:21:59,981 WARN  L193               SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:22:00,263 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:22:00,550 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 10:22:00,901 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 10:22:01,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 10:22:01,239 INFO  L93              Difference]: Finished difference Result 284 states and 375 transitions.
[2020-08-18 10:22:01,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-08-18 10:22:01,241 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 65
[2020-08-18 10:22:01,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 10:22:01,245 INFO  L225             Difference]: With dead ends: 284
[2020-08-18 10:22:01,246 INFO  L226             Difference]: Without dead ends: 212
[2020-08-18 10:22:01,247 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2020-08-18 10:22:01,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2020-08-18 10:22:01,293 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166.
[2020-08-18 10:22:01,294 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2020-08-18 10:22:01,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 197 transitions.
[2020-08-18 10:22:01,295 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 197 transitions. Word has length 65
[2020-08-18 10:22:01,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 10:22:01,296 INFO  L479      AbstractCegarLoop]: Abstraction has 166 states and 197 transitions.
[2020-08-18 10:22:01,296 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 10:22:01,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions.
[2020-08-18 10:22:01,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-08-18 10:22:01,298 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 10:22:01,299 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]
[2020-08-18 10:22:01,299 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 10:22:01,299 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 10:22:01,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 10:22:01,299 INFO  L82        PathProgramCache]: Analyzing trace with hash 1559260886, now seen corresponding path program 1 times
[2020-08-18 10:22:01,300 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 10:22:01,300 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983228206]
[2020-08-18 10:22:01,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 10:22:01,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-18 10:22:01,358 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-18 10:22:01,358 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-08-18 10:22:01,363 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 10:22:01,385 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:22:01 BoogieIcfgContainer
[2020-08-18 10:22:01,385 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 10:22:01,387 INFO  L168              Benchmark]: Toolchain (without parser) took 11617.87 ms. Allocated memory was 139.5 MB in the beginning and 438.8 MB in the end (delta: 299.4 MB). Free memory was 100.9 MB in the beginning and 267.2 MB in the end (delta: -166.3 MB). Peak memory consumption was 133.1 MB. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,388 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,389 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 733.32 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 169.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,390 INFO  L168              Benchmark]: Boogie Preprocessor took 92.43 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,391 INFO  L168              Benchmark]: RCFGBuilder took 1088.42 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 198.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,391 INFO  L168              Benchmark]: TraceAbstraction took 9696.81 ms. Allocated memory was 234.9 MB in the beginning and 438.8 MB in the end (delta: 203.9 MB). Free memory was 197.1 MB in the beginning and 267.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 133.8 MB. Max. memory is 7.1 GB.
[2020-08-18 10:22:01,395 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 733.32 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 169.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 92.43 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1088.42 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 198.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 9696.81 ms. Allocated memory was 234.9 MB in the beginning and 438.8 MB in the end (delta: 203.9 MB). Free memory was 197.1 MB in the beginning and 267.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 133.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L46]               int waterLevel  =    1;
[L47]               int methaneLevelCritical  =    0;
[L173]              int cleanupTimeShifts  =    4;
[L275]              int pumpRunning  =    0;
[L276]              int systemActive  =    1;
[L694]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L249]              int retValue_acc ;
[L250]              int tmp ;
[L254]  FCALL       select_helpers()
[L255]  FCALL       select_features()
[L256]  CALL, EXPR  valid_product()
[L155]              int retValue_acc ;
[L158]              retValue_acc = 1
[L159]              return (retValue_acc);
[L256]  RET, EXPR   valid_product()
[L256]              tmp = valid_product()
[L258]  COND TRUE   \read(tmp)
[L260]  FCALL       setup()
[L261]  CALL        runTest()
[L243]  CALL        test()
[L461]              int splverifierCounter ;
[L462]              int tmp ;
[L463]              int tmp___0 ;
[L464]              int tmp___1 ;
[L465]              int tmp___2 ;
[L468]              splverifierCounter = 0
[L470]  COND TRUE   1
[L472]  COND TRUE   splverifierCounter < 4
[L478]              tmp = __VERIFIER_nondet_int()
[L480]  COND TRUE   \read(tmp)
[L482]  CALL        waterRise()
[L64]   COND TRUE   waterLevel < 2
[L65]               waterLevel = waterLevel + 1
[L482]  RET         waterRise()
[L488]              tmp___0 = __VERIFIER_nondet_int()
[L490]  COND FALSE  !(\read(tmp___0))
[L498]              tmp___2 = __VERIFIER_nondet_int()
[L500]  COND TRUE   \read(tmp___2)
[L513]  CALL        timeShift()
[L283]  COND FALSE  !(\read(pumpRunning))
[L290]  COND TRUE   \read(systemActive)
[L292]  CALL        processEnvironment()
[L312]              int tmp ;
[L315]  COND FALSE  !(\read(pumpRunning))
[L330]  FCALL       processEnvironment__wrappee__methaneQuery()
[L292]  RET         processEnvironment()
[L298]  CALL        __utac_acc__Specification3_spec__1()
[L427]              int tmp ;
[L428]              int tmp___0 ;
[L429]              int tmp___1 ;
[L433]  CALL, EXPR  isMethaneLevelCritical()
[L85]               int retValue_acc ;
[L88]               retValue_acc = methaneLevelCritical
[L89]               return (retValue_acc);
[L433]  RET, EXPR   isMethaneLevelCritical()
[L433]              tmp = isMethaneLevelCritical()
[L435]  COND FALSE  !(\read(tmp))
[L439]  CALL, EXPR  getWaterLevel()
[L117]              int retValue_acc ;
[L120]              retValue_acc = waterLevel
[L121]              return (retValue_acc);
[L439]  RET, EXPR   getWaterLevel()
[L439]              tmp___0 = getWaterLevel()
[L441]  COND TRUE   tmp___0 == 2
[L443]  CALL, EXPR  isPumpRunning()
[L381]              int retValue_acc ;
[L384]              retValue_acc = pumpRunning
[L385]              return (retValue_acc);
[L443]  RET, EXPR   isPumpRunning()
[L443]              tmp___1 = isPumpRunning()
[L445]  COND FALSE  !(\read(tmp___1))
[L449]  CALL        __automaton_fail()
[L168]              __VERIFIER_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 36 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 367 SDtfs, 528 SDslu, 217 SDs, 0 SdLazy, 1192 SolverSat, 330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, 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, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 61914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect!
Received shutdown request...