/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 14:43:29,214 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 14:43:29,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 14:43:29,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 14:43:29,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 14:43:29,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 14:43:29,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 14:43:29,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 14:43:29,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 14:43:29,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 14:43:29,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 14:43:29,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 14:43:29,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 14:43:29,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 14:43:29,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 14:43:29,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 14:43:29,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 14:43:29,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 14:43:29,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 14:43:29,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 14:43:29,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 14:43:29,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 14:43:29,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 14:43:29,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 14:43:29,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 14:43:29,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 14:43:29,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 14:43:29,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 14:43:29,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 14:43:29,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 14:43:29,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 14:43:29,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 14:43:29,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 14:43:29,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 14:43:29,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 14:43:29,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 14:43:29,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 14:43:29,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 14:43:29,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 14:43:29,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 14:43:29,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 14:43:29,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 14:43:29,315 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 14:43:29,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 14:43:29,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 14:43:29,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 14:43:29,317 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 14:43:29,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 14:43:29,317 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 14:43:29,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 14:43:29,318 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 14:43:29,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 14:43:29,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 14:43:29,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 14:43:29,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 14:43:29,319 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 14:43:29,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 14:43:29,319 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 14:43:29,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 14:43:29,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 14:43:29,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 14:43:29,320 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 14:43:29,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 14:43:29,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 14:43:29,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 14:43:29,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 14:43:29,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 14:43:29,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 14:43:29,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 14:43:29,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 14:43:29,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 14:43:29,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false
[2020-09-24 14:43:29,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 14:43:29,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 14:43:29,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 14:43:29,827 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 14:43:29,828 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 14:43:29,829 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c
[2020-09-24 14:43:29,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c17874a86/651e78b072614a699acb9b5d0c3257e2/FLAG4d870b667
[2020-09-24 14:43:30,536 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 14:43:30,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c
[2020-09-24 14:43:30,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c17874a86/651e78b072614a699acb9b5d0c3257e2/FLAG4d870b667
[2020-09-24 14:43:30,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c17874a86/651e78b072614a699acb9b5d0c3257e2
[2020-09-24 14:43:30,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 14:43:30,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 14:43:30,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 14:43:30,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 14:43:30,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 14:43:30,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:43:30" (1/1) ...
[2020-09-24 14:43:30,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:30, skipping insertion in model container
[2020-09-24 14:43:30,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:43:30" (1/1) ...
[2020-09-24 14:43:30,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 14:43:30,925 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 14:43:31,318 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:43:31,333 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 14:43:31,527 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:43:31,565 INFO L208 MainTranslator]: Completed translation
[2020-09-24 14:43:31,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31 WrapperNode
[2020-09-24 14:43:31,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 14:43:31,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 14:43:31,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 14:43:31,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 14:43:31,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
[2020-09-24 14:43:31,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 14:43:31,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 14:43:31,663 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 14:43:31,663 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 14:43:31,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 14:43:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 14:43:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 14:43:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-24 14:43:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-24 14:43:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-24 14:43:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-24 14:43:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-24 14:43:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-24 14:43:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-24 14:43:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-24 14:43:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-24 14:43:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-24 14:43:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-24 14:43:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-24 14:43:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-24 14:43:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-24 14:43:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-24 14:43:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-24 14:43:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-24 14:43:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-24 14:43:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-24 14:43:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-24 14:43:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-24 14:43:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-24 14:43:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-24 14:43:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 14:43:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 14:43:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 14:43:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-24 14:43:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-24 14:43:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-24 14:43:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-24 14:43:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-24 14:43:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-24 14:43:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-24 14:43:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-24 14:43:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 14:43:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 14:43:32,992 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 14:43:32,992 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-24 14:43:32,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:43:32 BoogieIcfgContainer
[2020-09-24 14:43:33,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 14:43:33,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 14:43:33,001 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 14:43:33,005 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 14:43:33,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:43:30" (1/3) ...
[2020-09-24 14:43:33,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:43:33, skipping insertion in model container
[2020-09-24 14:43:33,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:43:31" (2/3) ...
[2020-09-24 14:43:33,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:43:33, skipping insertion in model container
[2020-09-24 14:43:33,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:43:32" (3/3) ...
[2020-09-24 14:43:33,010 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c
[2020-09-24 14:43:33,021 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 14:43:33,032 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 14:43:33,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 14:43:33,084 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 14:43:33,084 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 14:43:33,084 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 14:43:33,084 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 14:43:33,084 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 14:43:33,085 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 14:43:33,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 14:43:33,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 14:43:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states.
[2020-09-24 14:43:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-24 14:43:33,130 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:43:33,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:43:33,132 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:43:33,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:43:33,140 INFO L82 PathProgramCache]: Analyzing trace with hash -350196146, now seen corresponding path program 1 times
[2020-09-24 14:43:33,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:43:33,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332445810]
[2020-09-24 14:43:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:43:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:33,941 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:43:33,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:43:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:43:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:43:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:43:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:43:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-24 14:43:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-24 14:43:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-24 14:43:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:43:34,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332445810]
[2020-09-24 14:43:34,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:43:34,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:43:34,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595196240]
[2020-09-24 14:43:34,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:43:34,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:43:34,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:43:34,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:43:34,202 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 3 states.
[2020-09-24 14:43:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:43:35,292 INFO L93 Difference]: Finished difference Result 374 states and 448 transitions.
[2020-09-24 14:43:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:43:35,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-24 14:43:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:43:35,315 INFO L225 Difference]: With dead ends: 374
[2020-09-24 14:43:35,315 INFO L226 Difference]: Without dead ends: 243
[2020-09-24 14:43:35,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:43:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2020-09-24 14:43:35,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 205.
[2020-09-24 14:43:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states.
[2020-09-24 14:43:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions.
[2020-09-24 14:43:35,412 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 153
[2020-09-24 14:43:35,413 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:43:35,414 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions.
[2020-09-24 14:43:35,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:43:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions.
[2020-09-24 14:43:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-24 14:43:35,420 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:43:35,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:43:35,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 14:43:35,421 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:43:35,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:43:35,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1301465933, now seen corresponding path program 1 times
[2020-09-24 14:43:35,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:43:35,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974030758]
[2020-09-24 14:43:35,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:43:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,917 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:43:35,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:43:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:43:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:43:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:43:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:43:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-24 14:43:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-24 14:43:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-24 14:43:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:43:36,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974030758]
[2020-09-24 14:43:36,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:43:36,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 14:43:36,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905808638]
[2020-09-24 14:43:36,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 14:43:36,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:43:36,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 14:43:36,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 14:43:36,020 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand 4 states.
[2020-09-24 14:43:36,728 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:43:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:43:37,227 INFO L93 Difference]: Finished difference Result 287 states and 319 transitions.
[2020-09-24 14:43:37,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 14:43:37,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-24 14:43:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:43:37,232 INFO L225 Difference]: With dead ends: 287
[2020-09-24 14:43:37,232 INFO L226 Difference]: Without dead ends: 226
[2020-09-24 14:43:37,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-24 14:43:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2020-09-24 14:43:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195.
[2020-09-24 14:43:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states.
[2020-09-24 14:43:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 206 transitions.
[2020-09-24 14:43:37,271 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 206 transitions. Word has length 154
[2020-09-24 14:43:37,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:43:37,272 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 206 transitions.
[2020-09-24 14:43:37,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 14:43:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 206 transitions.
[2020-09-24 14:43:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-24 14:43:37,275 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:43:37,276 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:43:37,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 14:43:37,276 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:43:37,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:43:37,277 INFO L82 PathProgramCache]: Analyzing trace with hash 351008882, now seen corresponding path program 1 times
[2020-09-24 14:43:37,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:43:37,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634209584]
[2020-09-24 14:43:37,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:43:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,744 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:43:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:43:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:43:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:43:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:43:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:43:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-24 14:43:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 14:43:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-24 14:43:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-24 14:43:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:43:37,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634209584]
[2020-09-24 14:43:37,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:43:37,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-24 14:43:37,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044525934]
[2020-09-24 14:43:37,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-24 14:43:37,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:43:37,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-24 14:43:37,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-24 14:43:37,931 INFO L87 Difference]: Start difference. First operand 195 states and 206 transitions. Second operand 10 states.
[2020-09-24 14:43:38,609 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:43:39,161 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:43:39,445 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-24 14:43:39,720 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:39,984 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:43:40,242 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:43:41,342 INFO L93 Difference]: Finished difference Result 333 states and 381 transitions.
[2020-09-24 14:43:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-24 14:43:41,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167
[2020-09-24 14:43:41,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:43:41,349 INFO L225 Difference]: With dead ends: 333
[2020-09-24 14:43:41,349 INFO L226 Difference]: Without dead ends: 248
[2020-09-24 14:43:41,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2020-09-24 14:43:41,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states.
[2020-09-24 14:43:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 195.
[2020-09-24 14:43:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states.
[2020-09-24 14:43:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 205 transitions.
[2020-09-24 14:43:41,383 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 205 transitions. Word has length 167
[2020-09-24 14:43:41,384 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:43:41,384 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 205 transitions.
[2020-09-24 14:43:41,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-24 14:43:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 205 transitions.
[2020-09-24 14:43:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-24 14:43:41,387 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:43:41,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:43:41,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 14:43:41,388 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:43:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:43:41,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1432689870, now seen corresponding path program 1 times
[2020-09-24 14:43:41,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:43:41,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954199618]
[2020-09-24 14:43:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:43:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,778 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:43:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:43:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:43:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:43:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:43:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:43:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-24 14:43:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-24 14:43:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-24 14:43:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-24 14:43:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-24 14:43:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:43:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:43:41,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954199618]
[2020-09-24 14:43:41,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:43:41,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 14:43:41,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75868019]
[2020-09-24 14:43:41,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 14:43:41,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:43:41,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 14:43:41,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-24 14:43:41,952 INFO L87 Difference]: Start difference. First operand 195 states and 205 transitions. Second operand 9 states.
[2020-09-24 14:43:42,563 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:43:43,943 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:44,299 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:43:44,640 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:45,007 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:43:45,356 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:43:45,637 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:45,935 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:43:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:43:46,428 INFO L93 Difference]: Finished difference Result 425 states and 496 transitions.
[2020-09-24 14:43:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-09-24 14:43:46,428 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170
[2020-09-24 14:43:46,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:43:46,433 INFO L225 Difference]: With dead ends: 425
[2020-09-24 14:43:46,433 INFO L226 Difference]: Without dead ends: 340
[2020-09-24 14:43:46,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-09-24 14:43:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states.
[2020-09-24 14:43:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 270.
[2020-09-24 14:43:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states.
[2020-09-24 14:43:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions.
[2020-09-24 14:43:46,512 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 170
[2020-09-24 14:43:46,513 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:43:46,513 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions.
[2020-09-24 14:43:46,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 14:43:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions.
[2020-09-24 14:43:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-09-24 14:43:46,518 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:43:46,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:43:46,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 14:43:46,519 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:43:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:43:46,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1340891089, now seen corresponding path program 1 times
[2020-09-24 14:43:46,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:43:46,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628394940]
[2020-09-24 14:43:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:43:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 14:43:46,630 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 14:43:46,630 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 14:43:46,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 14:43:46,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 02:43:46 BoogieIcfgContainer
[2020-09-24 14:43:46,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 14:43:46,674 INFO L168 Benchmark]: Toolchain (without parser) took 15849.98 ms. Allocated memory was 138.9 MB in the beginning and 481.8 MB in the end (delta: 342.9 MB). Free memory was 101.6 MB in the beginning and 160.3 MB in the end (delta: -58.7 MB). Peak memory consumption was 284.1 MB. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,675 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.32 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 172.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,683 INFO L168 Benchmark]: Boogie Preprocessor took 95.64 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,684 INFO L168 Benchmark]: RCFGBuilder took 1336.93 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 182.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,685 INFO L168 Benchmark]: TraceAbstraction took 13669.79 ms. Allocated memory was 233.8 MB in the beginning and 481.8 MB in the end (delta: 248.0 MB). Free memory was 182.7 MB in the beginning and 160.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 270.3 MB. Max. memory is 7.1 GB.
[2020-09-24 14:43:46,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 737.32 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 172.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 95.64 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1336.93 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.9 MB in the beginning and 182.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 13669.79 ms. Allocated memory was 233.8 MB in the beginning and 481.8 MB in the end (delta: 248.0 MB). Free memory was 182.7 MB in the beginning and 160.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 270.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L84] int waterLevel = 1;
[L85] int methaneLevelCritical = 0;
[L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L613] int pumpRunning = 0;
[L614] int systemActive = 1;
[L781] int cleanupTimeShifts = 4;
[L854] int retValue_acc ;
[L855] int tmp ;
[L859] FCALL select_helpers()
[L860] FCALL select_features()
[L861] CALL, EXPR valid_product()
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
[L861] RET, EXPR valid_product()
[L861] tmp = valid_product()
[L863] COND TRUE \read(tmp)
[L865] FCALL setup()
[L866] CALL runTest()
[L848] CALL test()
[L543] int splverifierCounter ;
[L544] int tmp ;
[L545] int tmp___0 ;
[L546] int tmp___1 ;
[L547] int tmp___2 ;
[L550] splverifierCounter = 0
[L552] COND TRUE 1
[L554] COND TRUE splverifierCounter < 4
[L560] tmp = __VERIFIER_nondet_int()
[L562] COND TRUE \read(tmp)
[L564] CALL waterRise()
[L102] COND TRUE waterLevel < 2
[L103] waterLevel = waterLevel + 1
[L564] RET waterRise()
[L570] tmp___0 = __VERIFIER_nondet_int()
[L572] COND FALSE !(\read(tmp___0))
[L580] tmp___2 = __VERIFIER_nondet_int()
[L582] COND TRUE \read(tmp___2)
[L584] CALL startSystem()
[L742] systemActive = 1
[L584] RET startSystem()
[L597] CALL timeShift()
[L621] COND FALSE !(\read(pumpRunning))
[L628] COND TRUE \read(systemActive)
[L630] FCALL processEnvironment()
[L636] CALL __utac_acc__Specification3_spec__1()
[L748] int tmp ;
[L749] int tmp___0 ;
[L750] int tmp___1 ;
[L754] CALL, EXPR isMethaneLevelCritical()
[L123] int retValue_acc ;
[L126] retValue_acc = methaneLevelCritical
[L127] return (retValue_acc);
[L754] RET, EXPR isMethaneLevelCritical()
[L754] tmp = isMethaneLevelCritical()
[L756] COND FALSE !(\read(tmp))
[L760] CALL, EXPR getWaterLevel()
[L155] int retValue_acc ;
[L158] retValue_acc = waterLevel
[L159] return (retValue_acc);
[L760] RET, EXPR getWaterLevel()
[L760] tmp___0 = getWaterLevel()
[L762] COND TRUE tmp___0 == 2
[L764] CALL, EXPR isPumpRunning()
[L694] int retValue_acc ;
[L697] retValue_acc = pumpRunning
[L698] return (retValue_acc);
[L764] RET, EXPR isPumpRunning()
[L764] tmp___1 = isPumpRunning()
[L766] COND FALSE !(\read(tmp___1))
[L770] CALL __automaton_fail()
[L168] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 36 procedures, 591 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 756 SDtfs, 987 SDslu, 1157 SDs, 0 SdLazy, 1866 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 192 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 248462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...