/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 12:52:20,621 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 12:52:20,623 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 12:52:20,641 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 12:52:20,641 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 12:52:20,643 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 12:52:20,645 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 12:52:20,655 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 12:52:20,660 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 12:52:20,663 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 12:52:20,664 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 12:52:20,665 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 12:52:20,666 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 12:52:20,667 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 12:52:20,670 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 12:52:20,671 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 12:52:20,673 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 12:52:20,674 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 12:52:20,675 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 12:52:20,679 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 12:52:20,685 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 12:52:20,688 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 12:52:20,689 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 12:52:20,690 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 12:52:20,693 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 12:52:20,694 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 12:52:20,694 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 12:52:20,696 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 12:52:20,697 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 12:52:20,698 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 12:52:20,698 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 12:52:20,699 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 12:52:20,700 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 12:52:20,701 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 12:52:20,703 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 12:52:20,703 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 12:52:20,703 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 12:52:20,704 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 12:52:20,704 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 12:52:20,705 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 12:52:20,706 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 12:52:20,707 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-21 12:52:20,740 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 12:52:20,741 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 12:52:20,747 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 12:52:20,747 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 12:52:20,747 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 12:52:20,748 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 12:52:20,748 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 12:52:20,748 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 12:52:20,748 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 12:52:20,748 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 12:52:20,749 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 12:52:20,749 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 12:52:20,749 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 12:52:20,750 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 12:52:20,750 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 12:52:20,750 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 12:52:20,750 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 12:52:20,750 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 12:52:20,751 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 12:52:20,751 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 12:52:20,751 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 12:52:20,751 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 12:52:20,752 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 12:52:20,752 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 12:52:20,752 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 12:52:20,752 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 12:52:20,752 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:20,753 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 12:52:20,753 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 12:52:20,753 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2
[2020-07-21 12:52:21,035 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 12:52:21,046 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 12:52:21,049 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 12:52:21,051 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 12:52:21,051 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 12:52:21,052 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c
[2020-07-21 12:52:21,123 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94ad0216/862015eba8b64309a58d3ffff810ac58/FLAG45d33b6c4
[2020-07-21 12:52:21,662 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 12:52:21,662 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c
[2020-07-21 12:52:21,674 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94ad0216/862015eba8b64309a58d3ffff810ac58/FLAG45d33b6c4
[2020-07-21 12:52:21,948 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94ad0216/862015eba8b64309a58d3ffff810ac58
[2020-07-21 12:52:21,957 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 12:52:21,959 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 12:52:21,960 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 12:52:21,960 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 12:52:21,964 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 12:52:21,965 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:21" (1/1) ...
[2020-07-21 12:52:21,968 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a235e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:21, skipping insertion in model container
[2020-07-21 12:52:21,968 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:21" (1/1) ...
[2020-07-21 12:52:21,976 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 12:52:22,026 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 12:52:22,430 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 12:52:22,449 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 12:52:22,611 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 12:52:22,645 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 12:52:22,645 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22 WrapperNode
[2020-07-21 12:52:22,645 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 12:52:22,646 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 12:52:22,646 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 12:52:22,646 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 12:52:22,658 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,658 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,677 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,677 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,708 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,720 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,725 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
[2020-07-21 12:52:22,732 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 12:52:22,733 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 12:52:22,733 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 12:52:22,733 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 12:52:22,734 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 12:52:22,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 12:52:22,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 12:52:22,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-21 12:52:22,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-21 12:52:22,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-21 12:52:22,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-21 12:52:22,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-21 12:52:22,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-21 12:52:22,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-21 12:52:22,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-21 12:52:22,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-21 12:52:22,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-21 12:52:22,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-21 12:52:22,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-21 12:52:22,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 12:52:22,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-21 12:52:22,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-21 12:52:22,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-21 12:52:22,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-21 12:52:22,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-21 12:52:22,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-21 12:52:22,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-21 12:52:22,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-21 12:52:22,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-21 12:52:22,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-21 12:52:22,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-21 12:52:22,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-21 12:52:22,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-21 12:52:22,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-21 12:52:22,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-21 12:52:22,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-21 12:52:22,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-21 12:52:22,838 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-21 12:52:22,839 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-21 12:52:22,839 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-21 12:52:22,839 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-21 12:52:22,840 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-21 12:52:22,841 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-21 12:52:22,842 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-21 12:52:22,842 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-21 12:52:22,842 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-21 12:52:22,842 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-21 12:52:22,842 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-21 12:52:22,843 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 12:52:22,843 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-21 12:52:22,843 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-21 12:52:22,843 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-21 12:52:22,843 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-21 12:52:22,844 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-21 12:52:22,845 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-21 12:52:22,845 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-21 12:52:22,846 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-21 12:52:22,846 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-21 12:52:22,846 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-21 12:52:22,847 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-21 12:52:22,847 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-21 12:52:22,848 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-21 12:52:22,848 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-21 12:52:22,848 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-21 12:52:22,848 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 12:52:22,849 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-21 12:52:22,850 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 12:52:23,848 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 12:52:23,849 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 12:52:23,854 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:23 BoogieIcfgContainer
[2020-07-21 12:52:23,854 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 12:52:23,855 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 12:52:23,855 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 12:52:23,859 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 12:52:23,859 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:52:21" (1/3) ...
[2020-07-21 12:52:23,860 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27344b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:23, skipping insertion in model container
[2020-07-21 12:52:23,860 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:22" (2/3) ...
[2020-07-21 12:52:23,860 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27344b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:23, skipping insertion in model container
[2020-07-21 12:52:23,861 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:23" (3/3) ...
[2020-07-21 12:52:23,863 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c
[2020-07-21 12:52:23,873 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 12:52:23,882 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 12:52:23,896 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 12:52:23,922 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 12:52:23,923 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 12:52:23,923 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 12:52:23,923 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 12:52:23,923 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 12:52:23,923 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 12:52:23,924 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 12:52:23,924 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 12:52:23,947 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states.
[2020-07-21 12:52:23,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-21 12:52:23,957 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:23,958 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]
[2020-07-21 12:52:23,959 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:23,965 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:23,965 INFO  L82        PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times
[2020-07-21 12:52:23,973 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:23,974 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877577941]
[2020-07-21 12:52:23,974 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:24,418 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:24,418 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:24,425 INFO  L263         TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-21 12:52:24,434 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:24,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:24,467 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:24,468 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877577941]
[2020-07-21 12:52:24,469 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:24,469 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-21 12:52:24,470 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279956747]
[2020-07-21 12:52:24,476 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-21 12:52:24,476 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:24,493 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-21 12:52:24,494 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 12:52:24,497 INFO  L87              Difference]: Start difference. First operand 157 states. Second operand 2 states.
[2020-07-21 12:52:24,541 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:24,542 INFO  L93              Difference]: Finished difference Result 222 states and 277 transitions.
[2020-07-21 12:52:24,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-21 12:52:24,544 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-21 12:52:24,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:24,558 INFO  L225             Difference]: With dead ends: 222
[2020-07-21 12:52:24,558 INFO  L226             Difference]: Without dead ends: 111
[2020-07-21 12:52:24,563 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-21 12:52:24,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2020-07-21 12:52:24,621 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2020-07-21 12:52:24,622 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-07-21 12:52:24,629 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions.
[2020-07-21 12:52:24,633 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52
[2020-07-21 12:52:24,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:24,633 INFO  L479      AbstractCegarLoop]: Abstraction has 111 states and 130 transitions.
[2020-07-21 12:52:24,634 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-21 12:52:24,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions.
[2020-07-21 12:52:24,640 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-21 12:52:24,640 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:24,641 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]
[2020-07-21 12:52:24,856 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:24,857 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:24,857 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:24,858 INFO  L82        PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times
[2020-07-21 12:52:24,858 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:24,858 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993168134]
[2020-07-21 12:52:24,859 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:25,198 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:25,198 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:25,202 INFO  L263         TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 12:52:25,207 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:25,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:25,255 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:25,255 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993168134]
[2020-07-21 12:52:25,256 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:25,256 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:52:25,256 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739028158]
[2020-07-21 12:52:25,261 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:52:25,261 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:25,262 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:52:25,262 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:52:25,262 INFO  L87              Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states.
[2020-07-21 12:52:25,291 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:25,291 INFO  L93              Difference]: Finished difference Result 198 states and 239 transitions.
[2020-07-21 12:52:25,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 12:52:25,292 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-21 12:52:25,292 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:25,294 INFO  L225             Difference]: With dead ends: 198
[2020-07-21 12:52:25,295 INFO  L226             Difference]: Without dead ends: 111
[2020-07-21 12:52:25,297 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:52:25,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2020-07-21 12:52:25,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2020-07-21 12:52:25,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-07-21 12:52:25,310 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions.
[2020-07-21 12:52:25,310 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 53
[2020-07-21 12:52:25,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:25,311 INFO  L479      AbstractCegarLoop]: Abstraction has 111 states and 129 transitions.
[2020-07-21 12:52:25,311 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:52:25,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions.
[2020-07-21 12:52:25,313 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2020-07-21 12:52:25,313 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:25,314 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 12:52:25,526 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:25,527 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:25,528 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:25,528 INFO  L82        PathProgramCache]: Analyzing trace with hash -820864254, now seen corresponding path program 1 times
[2020-07-21 12:52:25,528 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:25,529 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495889280]
[2020-07-21 12:52:25,529 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:25,852 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:25,852 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:25,856 INFO  L263         TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 12:52:25,861 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:25,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:25,876 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:25,876 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495889280]
[2020-07-21 12:52:25,877 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:25,877 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:52:25,878 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749325237]
[2020-07-21 12:52:25,879 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:52:25,879 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:25,879 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:52:25,880 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:52:25,880 INFO  L87              Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 3 states.
[2020-07-21 12:52:25,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:25,901 INFO  L93              Difference]: Finished difference Result 171 states and 197 transitions.
[2020-07-21 12:52:25,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 12:52:25,902 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 61
[2020-07-21 12:52:25,902 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:25,904 INFO  L225             Difference]: With dead ends: 171
[2020-07-21 12:52:25,904 INFO  L226             Difference]: Without dead ends: 102
[2020-07-21 12:52:25,905 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:52:25,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2020-07-21 12:52:25,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2020-07-21 12:52:25,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 102 states.
[2020-07-21 12:52:25,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions.
[2020-07-21 12:52:25,916 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 61
[2020-07-21 12:52:25,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:25,917 INFO  L479      AbstractCegarLoop]: Abstraction has 102 states and 117 transitions.
[2020-07-21 12:52:25,917 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:52:25,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions.
[2020-07-21 12:52:25,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-21 12:52:25,919 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:25,920 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]
[2020-07-21 12:52:26,132 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:26,133 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:26,134 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:26,135 INFO  L82        PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times
[2020-07-21 12:52:26,135 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:26,136 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443850400]
[2020-07-21 12:52:26,136 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:26,415 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:26,415 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:26,420 INFO  L263         TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-21 12:52:26,424 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:26,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:26,480 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:26,481 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443850400]
[2020-07-21 12:52:26,481 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:26,481 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:52:26,482 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563998872]
[2020-07-21 12:52:26,482 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:52:26,483 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:26,483 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:52:26,483 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:52:26,483 INFO  L87              Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states.
[2020-07-21 12:52:26,688 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:26,688 INFO  L93              Difference]: Finished difference Result 249 states and 307 transitions.
[2020-07-21 12:52:26,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 12:52:26,689 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 65
[2020-07-21 12:52:26,689 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:26,693 INFO  L225             Difference]: With dead ends: 249
[2020-07-21 12:52:26,693 INFO  L226             Difference]: Without dead ends: 171
[2020-07-21 12:52:26,694 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
[2020-07-21 12:52:26,695 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 171 states.
[2020-07-21 12:52:26,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169.
[2020-07-21 12:52:26,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 169 states.
[2020-07-21 12:52:26,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions.
[2020-07-21 12:52:26,721 INFO  L78                 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 65
[2020-07-21 12:52:26,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:26,722 INFO  L479      AbstractCegarLoop]: Abstraction has 169 states and 202 transitions.
[2020-07-21 12:52:26,722 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:52:26,722 INFO  L276                IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions.
[2020-07-21 12:52:26,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-07-21 12:52:26,727 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:26,728 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]
[2020-07-21 12:52:26,943 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:26,944 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:26,944 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:26,945 INFO  L82        PathProgramCache]: Analyzing trace with hash 7432290, now seen corresponding path program 1 times
[2020-07-21 12:52:26,945 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:26,946 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343769105]
[2020-07-21 12:52:26,946 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:27,234 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:27,250 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:27,254 INFO  L263         TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-21 12:52:27,257 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:27,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:27,295 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:27,295 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343769105]
[2020-07-21 12:52:27,295 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:27,296 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:52:27,296 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880573138]
[2020-07-21 12:52:27,296 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:52:27,297 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:27,297 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:52:27,297 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:52:27,297 INFO  L87              Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 6 states.
[2020-07-21 12:52:27,860 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:27,861 INFO  L93              Difference]: Finished difference Result 421 states and 520 transitions.
[2020-07-21 12:52:27,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 12:52:27,862 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 69
[2020-07-21 12:52:27,862 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:27,865 INFO  L225             Difference]: With dead ends: 421
[2020-07-21 12:52:27,865 INFO  L226             Difference]: Without dead ends: 276
[2020-07-21 12:52:27,866 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-21 12:52:27,867 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2020-07-21 12:52:27,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273.
[2020-07-21 12:52:27,896 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 273 states.
[2020-07-21 12:52:27,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 321 transitions.
[2020-07-21 12:52:27,898 INFO  L78                 Accepts]: Start accepts. Automaton has 273 states and 321 transitions. Word has length 69
[2020-07-21 12:52:27,898 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:27,899 INFO  L479      AbstractCegarLoop]: Abstraction has 273 states and 321 transitions.
[2020-07-21 12:52:27,899 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:52:27,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 273 states and 321 transitions.
[2020-07-21 12:52:27,900 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2020-07-21 12:52:27,900 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:27,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 12:52:28,113 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:28,114 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:28,115 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:28,115 INFO  L82        PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times
[2020-07-21 12:52:28,116 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:28,116 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255524440]
[2020-07-21 12:52:28,116 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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
[2020-07-21 12:52:28,479 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:28,479 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:28,483 INFO  L263         TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 12:52:28,486 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:28,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:28,509 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:28,509 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255524440]
[2020-07-21 12:52:28,510 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:28,510 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 12:52:28,510 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348096687]
[2020-07-21 12:52:28,511 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 12:52:28,511 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:28,511 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 12:52:28,511 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 12:52:28,512 INFO  L87              Difference]: Start difference. First operand 273 states and 321 transitions. Second operand 5 states.
[2020-07-21 12:52:28,539 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:28,539 INFO  L93              Difference]: Finished difference Result 525 states and 627 transitions.
[2020-07-21 12:52:28,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 12:52:28,539 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 83
[2020-07-21 12:52:28,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:28,542 INFO  L225             Difference]: With dead ends: 525
[2020-07-21 12:52:28,542 INFO  L226             Difference]: Without dead ends: 276
[2020-07-21 12:52:28,544 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 12:52:28,545 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2020-07-21 12:52:28,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273.
[2020-07-21 12:52:28,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 273 states.
[2020-07-21 12:52:28,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 320 transitions.
[2020-07-21 12:52:28,571 INFO  L78                 Accepts]: Start accepts. Automaton has 273 states and 320 transitions. Word has length 83
[2020-07-21 12:52:28,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:28,572 INFO  L479      AbstractCegarLoop]: Abstraction has 273 states and 320 transitions.
[2020-07-21 12:52:28,572 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 12:52:28,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions.
[2020-07-21 12:52:28,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2020-07-21 12:52:28,574 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:28,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 12:52:28,788 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:28,789 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:28,790 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:28,790 INFO  L82        PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times
[2020-07-21 12:52:28,791 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:28,791 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024462539]
[2020-07-21 12:52:28,792 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:29,037 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:29,038 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:29,040 INFO  L263         TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 12:52:29,042 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:29,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:29,085 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:29,085 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024462539]
[2020-07-21 12:52:29,085 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:29,085 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:52:29,086 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903104321]
[2020-07-21 12:52:29,086 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:52:29,086 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:29,087 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:52:29,087 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:52:29,087 INFO  L87              Difference]: Start difference. First operand 273 states and 320 transitions. Second operand 6 states.
[2020-07-21 12:52:29,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:29,129 INFO  L93              Difference]: Finished difference Result 495 states and 593 transitions.
[2020-07-21 12:52:29,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 12:52:29,130 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 83
[2020-07-21 12:52:29,130 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:29,132 INFO  L225             Difference]: With dead ends: 495
[2020-07-21 12:52:29,132 INFO  L226             Difference]: Without dead ends: 246
[2020-07-21 12:52:29,134 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 12:52:29,134 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 246 states.
[2020-07-21 12:52:29,152 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243.
[2020-07-21 12:52:29,152 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 243 states.
[2020-07-21 12:52:29,154 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions.
[2020-07-21 12:52:29,154 INFO  L78                 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 83
[2020-07-21 12:52:29,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:29,155 INFO  L479      AbstractCegarLoop]: Abstraction has 243 states and 284 transitions.
[2020-07-21 12:52:29,155 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:52:29,155 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions.
[2020-07-21 12:52:29,158 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-07-21 12:52:29,159 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 12:52:29,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 12:52:29,373 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:29,374 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:52:29,374 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:52:29,374 INFO  L82        PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times
[2020-07-21 12:52:29,374 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:52:29,375 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720735657]
[2020-07-21 12:52:29,375 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:29,608 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s)
[2020-07-21 12:52:29,609 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 12:52:29,614 INFO  L263         TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 12:52:29,617 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:52:29,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:52:29,661 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:52:29,661 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720735657]
[2020-07-21 12:52:29,661 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:52:29,662 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:52:29,662 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141080204]
[2020-07-21 12:52:29,663 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:52:29,663 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:52:29,664 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:52:29,664 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:52:29,664 INFO  L87              Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states.
[2020-07-21 12:52:29,881 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:52:29,881 INFO  L93              Difference]: Finished difference Result 245 states and 287 transitions.
[2020-07-21 12:52:29,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 12:52:29,883 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 84
[2020-07-21 12:52:29,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:52:29,884 INFO  L225             Difference]: With dead ends: 245
[2020-07-21 12:52:29,884 INFO  L226             Difference]: Without dead ends: 0
[2020-07-21 12:52:29,885 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-21 12:52:29,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-21 12:52:29,886 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-21 12:52:29,886 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-21 12:52:29,886 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-21 12:52:29,890 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84
[2020-07-21 12:52:29,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:52:29,891 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-21 12:52:29,891 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:52:29,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-21 12:52:29,891 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-21 12:52:30,092 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:52:30,096 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-21 12:52:31,731 WARN  L193               SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25
[2020-07-21 12:52:31,884 INFO  L268        CegarLoopResult]: For program point  L321(line 321)  no Hoare annotation was computed.
[2020-07-21 12:52:31,884 INFO  L268        CegarLoopResult]: For program point  L320-2(lines 320 341)  no Hoare annotation was computed.
[2020-07-21 12:52:31,884 INFO  L268        CegarLoopResult]: For program point  L342(lines 319 343)  no Hoare annotation was computed.
[2020-07-21 12:52:31,884 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 295 350)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 295 350)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 330)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L326-1(lines 326 330)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 295 350)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 387)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L383-1(lines 383 387)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L378(line 378)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L377-2(lines 377 402)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 351 410)  no Hoare annotation was computed.
[2020-07-21 12:52:31,885 INFO  L268        CegarLoopResult]: For program point  L403(lines 376 404)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 351 410)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  L396(line 396)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  L396-1(line 396)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 351 410)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 891 897)  the Hoare annotation is:  true
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 891 897)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 898 906)  no Hoare annotation was computed.
[2020-07-21 12:52:31,886 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 898 906)  the Hoare annotation is:  true
[2020-07-21 12:52:31,886 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 898 906)  no Hoare annotation was computed.
[2020-07-21 12:52:31,887 INFO  L264        CegarLoopResult]: At program point  L225(line 225)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,887 INFO  L264        CegarLoopResult]: At program point  L225-1(line 225)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,887 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 219 241)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,887 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 219 241)  no Hoare annotation was computed.
[2020-07-21 12:52:31,887 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 219 241)  no Hoare annotation was computed.
[2020-07-21 12:52:31,887 INFO  L264        CegarLoopResult]: At program point  L231(line 231)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,887 INFO  L264        CegarLoopResult]: At program point  L231-1(line 231)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,887 INFO  L268        CegarLoopResult]: For program point  L229(lines 229 236)  no Hoare annotation was computed.
[2020-07-21 12:52:31,887 INFO  L268        CegarLoopResult]: For program point  L229-1(lines 229 236)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  L227(line 227)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L264        CegarLoopResult]: At program point  L226(line 226)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  L192(line 192)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 174 197)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  L191(line 191)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  L189(line 189)  no Hoare annotation was computed.
[2020-07-21 12:52:31,888 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 174 197)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L188(line 188)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 174 197)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L186(line 186)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L185(line 185)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L183(line 183)  no Hoare annotation was computed.
[2020-07-21 12:52:31,889 INFO  L268        CegarLoopResult]: For program point  L182(line 182)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L180(line 180)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L179(line 179)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 774 782)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 774 782)  the Hoare annotation is:  true
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 774 782)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L802-2(lines 802 810)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L790(lines 790 798)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L790-2(lines 790 798)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 783 818)  no Hoare annotation was computed.
[2020-07-21 12:52:31,890 INFO  L268        CegarLoopResult]: For program point  L813(line 813)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  L813-1(line 813)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 783 818)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 783 818)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  L802(lines 802 810)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 884 890)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 884 890)  the Hoare annotation is:  true
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 249 294)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 249 294)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 249 294)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  L576(lines 576 596)  no Hoare annotation was computed.
[2020-07-21 12:52:31,891 INFO  L268        CegarLoopResult]: For program point  L576-1(lines 576 596)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 562 607)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 562 607)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  L582(lines 582 589)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 562 607)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 206 215)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 206 215)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 206 215)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  L768(line 768)  no Hoare annotation was computed.
[2020-07-21 12:52:31,892 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 763 773)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  L768-1(line 768)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 763 773)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 763 773)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 755 762)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 755 762)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 755 762)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 126 139)  no Hoare annotation was computed.
[2020-07-21 12:52:31,893 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 126 139)  the Hoare annotation is:  true
[2020-07-21 12:52:31,894 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 136)  no Hoare annotation was computed.
[2020-07-21 12:52:31,894 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 126 139)  no Hoare annotation was computed.
[2020-07-21 12:52:31,894 INFO  L264        CegarLoopResult]: At program point  L736(line 736)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-21 12:52:31,894 INFO  L264        CegarLoopResult]: At program point  L732(line 732)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1)) (and .cse1 (<= 1 processEnvironment_~tmp~5)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-21 12:52:31,894 INFO  L268        CegarLoopResult]: For program point  L730(lines 730 738)  no Hoare annotation was computed.
[2020-07-21 12:52:31,894 INFO  L264        CegarLoopResult]: At program point  L728(line 728)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-21 12:52:31,894 INFO  L268        CegarLoopResult]: For program point  L728-1(line 728)  no Hoare annotation was computed.
[2020-07-21 12:52:31,894 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 722 746)  no Hoare annotation was computed.
[2020-07-21 12:52:31,895 INFO  L268        CegarLoopResult]: For program point  L726(lines 726 743)  no Hoare annotation was computed.
[2020-07-21 12:52:31,895 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 722 746)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-21 12:52:31,895 INFO  L264        CegarLoopResult]: At program point  L741(line 741)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-21 12:52:31,895 INFO  L268        CegarLoopResult]: For program point  L741-1(lines 722 746)  no Hoare annotation was computed.
[2020-07-21 12:52:31,895 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 714 720)  no Hoare annotation was computed.
[2020-07-21 12:52:31,895 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 714 720)  the Hoare annotation is:  true
[2020-07-21 12:52:31,895 INFO  L264        CegarLoopResult]: At program point  L640(line 640)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0)))
[2020-07-21 12:52:31,895 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 618 681)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))
[2020-07-21 12:52:31,896 INFO  L264        CegarLoopResult]: At program point  L671(lines 628 673)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0)))
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L638(lines 638 644)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L638-1(lines 638 644)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 618 681)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L630(lines 630 634)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L264        CegarLoopResult]: At program point  L674(lines 627 675)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)))
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L664(lines 664 668)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L264        CegarLoopResult]: At program point  L664-2(lines 658 669)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0)))
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L629(lines 628 673)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L268        CegarLoopResult]: For program point  L658(lines 658 669)  no Hoare annotation was computed.
[2020-07-21 12:52:31,896 INFO  L264        CegarLoopResult]: At program point  L650(line 650)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0)))
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L648(lines 648 654)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L648-1(lines 648 654)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 618 681)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 516 561)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L536(lines 536 543)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 516 561)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L530(lines 530 550)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L530-1(lines 530 550)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 516 561)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 94 116)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  L102(lines 102 110)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 94 116)  no Hoare annotation was computed.
[2020-07-21 12:52:31,897 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 94 116)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L102-2(lines 102 110)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 413 515)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 458)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L502(lines 502 509)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L463(lines 462 482)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L494(line 494)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L494-1(line 494)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L459(lines 459 500)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 413 515)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L478(line 478)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L478-1(line 478)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L437(lines 437 441)  no Hoare annotation was computed.
[2020-07-21 12:52:31,898 INFO  L268        CegarLoopResult]: For program point  L501(lines 501 512)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 413 515)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  L464(lines 464 468)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  L462-2(lines 462 482)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  L483(lines 461 484)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 874 883)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 874 883)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 874 883)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= ~pumpRunning~0 |old(~pumpRunning~0)|)
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 747 754)  no Hoare annotation was computed.
[2020-07-21 12:52:31,899 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 747 754)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 747 754)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-21 12:52:31,900 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 117 125)  the Hoare annotation is:  true
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 117 125)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 117 125)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 819 837)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  L828(lines 828 832)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L271        CegarLoopResult]: At program point  L826(line 826)  the Hoare annotation is:  true
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  L828-2(lines 828 832)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  L826-1(line 826)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 819 837)  the Hoare annotation is:  true
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 819 837)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L268        CegarLoopResult]: For program point  L77-1(lines 73 84)  no Hoare annotation was computed.
[2020-07-21 12:52:31,900 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 73 84)  the Hoare annotation is:  true
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 73 84)  no Hoare annotation was computed.
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,901 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 85 93)  the Hoare annotation is:  true
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 85 93)  no Hoare annotation was computed.
[2020-07-21 12:52:31,901 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 85 93)  no Hoare annotation was computed.
[2020-07-21 12:52:31,902 INFO  L264        CegarLoopResult]: At program point  L703(line 703)  the Hoare annotation is:  (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)))
[2020-07-21 12:52:31,902 INFO  L264        CegarLoopResult]: At program point  L701(lines 701 707)  the Hoare annotation is:  (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= 0 ~pumpRunning~0) .cse2) (<= 1 ~pumpRunning~0)) (or .cse3 .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)))
[2020-07-21 12:52:31,902 INFO  L264        CegarLoopResult]: At program point  L696(line 696)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)))
[2020-07-21 12:52:31,902 INFO  L268        CegarLoopResult]: For program point  L694(lines 693 712)  no Hoare annotation was computed.
[2020-07-21 12:52:31,902 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 690 713)  the Hoare annotation is:  (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)))
[2020-07-21 12:52:31,902 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 690 713)  no Hoare annotation was computed.
[2020-07-21 12:52:31,903 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 690 713)  no Hoare annotation was computed.
[2020-07-21 12:52:31,903 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 143 172)  no Hoare annotation was computed.
[2020-07-21 12:52:31,903 INFO  L268        CegarLoopResult]: For program point  L157(lines 157 161)  no Hoare annotation was computed.
[2020-07-21 12:52:31,903 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 143 172)  the Hoare annotation is:  true
[2020-07-21 12:52:31,903 INFO  L271        CegarLoopResult]: At program point  L157-1(lines 157 161)  the Hoare annotation is:  true
[2020-07-21 12:52:31,903 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-21 12:52:31,903 INFO  L271        CegarLoopResult]: At program point  L153-2(lines 153 167)  the Hoare annotation is:  true
[2020-07-21 12:52:31,903 INFO  L271        CegarLoopResult]: At program point  L149(line 149)  the Hoare annotation is:  true
[2020-07-21 12:52:31,904 INFO  L268        CegarLoopResult]: For program point  L149-1(line 149)  no Hoare annotation was computed.
[2020-07-21 12:52:31,904 INFO  L271        CegarLoopResult]: At program point  L168(lines 143 172)  the Hoare annotation is:  true
[2020-07-21 12:52:31,904 INFO  L268        CegarLoopResult]: For program point  L164(line 164)  no Hoare annotation was computed.
[2020-07-21 12:52:31,904 INFO  L264        CegarLoopResult]: At program point  L862(line 862)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)))))
[2020-07-21 12:52:31,904 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification3_spec__1EXIT(lines 839 871)  no Hoare annotation was computed.
[2020-07-21 12:52:31,904 INFO  L268        CegarLoopResult]: For program point  L858(lines 858 864)  no Hoare annotation was computed.
[2020-07-21 12:52:31,904 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification3_spec__1ENTRY(lines 839 871)  the Hoare annotation is:  true
[2020-07-21 12:52:31,905 INFO  L264        CegarLoopResult]: At program point  L856(line 856)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)))))
[2020-07-21 12:52:31,905 INFO  L268        CegarLoopResult]: For program point  L856-1(line 856)  no Hoare annotation was computed.
[2020-07-21 12:52:31,905 INFO  L268        CegarLoopResult]: For program point  L854(lines 854 867)  no Hoare annotation was computed.
[2020-07-21 12:52:31,905 INFO  L268        CegarLoopResult]: For program point  L854-1(lines 839 871)  no Hoare annotation was computed.
[2020-07-21 12:52:31,905 INFO  L271        CegarLoopResult]: At program point  L852(line 852)  the Hoare annotation is:  true
[2020-07-21 12:52:31,905 INFO  L268        CegarLoopResult]: For program point  L852-1(line 852)  no Hoare annotation was computed.
[2020-07-21 12:52:31,905 INFO  L268        CegarLoopResult]: For program point  L848(lines 848 868)  no Hoare annotation was computed.
[2020-07-21 12:52:31,906 INFO  L271        CegarLoopResult]: At program point  L846(line 846)  the Hoare annotation is:  true
[2020-07-21 12:52:31,906 INFO  L268        CegarLoopResult]: For program point  L846-1(line 846)  no Hoare annotation was computed.
[2020-07-21 12:52:31,906 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 49 60)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (<= 1 ~pumpRunning~0)))
[2020-07-21 12:52:31,906 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 49 60)  no Hoare annotation was computed.
[2020-07-21 12:52:31,906 INFO  L268        CegarLoopResult]: For program point  L53-1(lines 49 60)  no Hoare annotation was computed.
[2020-07-21 12:52:31,906 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 198 204)  no Hoare annotation was computed.
[2020-07-21 12:52:31,906 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 198 204)  the Hoare annotation is:  true
[2020-07-21 12:52:31,906 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,907 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-21 12:52:31,907 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-21 12:52:31,907 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-21 12:52:31,907 INFO  L268        CegarLoopResult]: For program point  L65-1(lines 61 72)  no Hoare annotation was computed.
[2020-07-21 12:52:31,907 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 61 72)  no Hoare annotation was computed.
[2020-07-21 12:52:31,907 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 61 72)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-21 12:52:31,907 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 609 616)  no Hoare annotation was computed.
[2020-07-21 12:52:31,908 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613)  no Hoare annotation was computed.
[2020-07-21 12:52:31,908 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 609 616)  the Hoare annotation is:  true
[2020-07-21 12:52:31,908 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 609 616)  no Hoare annotation was computed.
[2020-07-21 12:52:31,925 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:31 BoogieIcfgContainer
[2020-07-21 12:52:31,925 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 12:52:31,927 INFO  L168              Benchmark]: Toolchain (without parser) took 9968.60 ms. Allocated memory was 145.8 MB in the beginning and 312.0 MB in the end (delta: 166.2 MB). Free memory was 102.3 MB in the beginning and 212.5 MB in the end (delta: -110.2 MB). Peak memory consumption was 177.3 MB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,928 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,929 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 685.67 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 171.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,930 INFO  L168              Benchmark]: Boogie Preprocessor took 86.33 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,930 INFO  L168              Benchmark]: RCFGBuilder took 1121.15 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 196.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,931 INFO  L168              Benchmark]: TraceAbstraction took 8069.95 ms. Allocated memory was 236.5 MB in the beginning and 312.0 MB in the end (delta: 75.5 MB). Free memory was 196.0 MB in the beginning and 212.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB.
[2020-07-21 12:52:31,936 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 685.67 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.9 MB in the beginning and 171.1 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 86.33 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1121.15 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 196.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 8069.95 ms. Allocated memory was 236.5 MB in the beginning and 312.0 MB in the end (delta: 75.5 MB). Free memory was 196.0 MB in the beginning and 212.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 613]: 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: 628]: Loop Invariant
    Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (splverifierCounter <= 0 && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0)
  - InvariantResult [Line: 153]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 627]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive)
  - InvariantResult [Line: 143]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1072 SDtfs, 406 SDslu, 1889 SDs, 0 SdLazy, 423 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred 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, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 500 PreInvPairs, 534 NumberOfFragments, 777 HoareAnnotationTreeSize, 500 FomulaSimplifications, 183 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1662 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 550 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 57274 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5504 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct!
Received shutdown request...