./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1610387a50b580a3de8e20f991e711af2b541458 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:42:58,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:58,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:58,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:58,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:58,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:58,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:58,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:58,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:58,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:58,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:58,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:58,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:58,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:58,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:58,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:58,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:58,990 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:58,992 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:58,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:58,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:58,996 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:58,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:58,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:58,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:59,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:59,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:59,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:59,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:59,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:59,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:59,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:59,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:59,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:59,007 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:59,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:59,008 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:59,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:59,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:59,025 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:59,025 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:59,025 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:59,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:59,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:59,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:59,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:59,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:59,026 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:59,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:59,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:59,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:59,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:59,029 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:59,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:59,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:59,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:59,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:59,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:59,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:59,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:59,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:59,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:59,032 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:59,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:59,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:59,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1610387a50b580a3de8e20f991e711af2b541458 [2018-12-31 09:42:59,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:59,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:59,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:59,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:59,087 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:59,089 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:59,156 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc0703b6/0dd5a6b093724bbe9148ae53a1bc9df5/FLAG194f0db39 [2018-12-31 09:42:59,682 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:59,683 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:59,694 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc0703b6/0dd5a6b093724bbe9148ae53a1bc9df5/FLAG194f0db39 [2018-12-31 09:42:59,945 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc0703b6/0dd5a6b093724bbe9148ae53a1bc9df5 [2018-12-31 09:42:59,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:59,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:59,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:59,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:59,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:59,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:59" (1/1) ... [2018-12-31 09:42:59,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad8311d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:59, skipping insertion in model container [2018-12-31 09:42:59,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:59" (1/1) ... [2018-12-31 09:42:59,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:43:00,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:43:00,455 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:43:00,485 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:43:00,629 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:43:00,762 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:43:00,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00 WrapperNode [2018-12-31 09:43:00,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:43:00,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:43:00,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:43:00,764 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:43:00,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:43:00,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:43:00,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:43:00,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:43:00,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (1/1) ... [2018-12-31 09:43:00,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:43:00,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:43:00,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:43:00,889 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:43:00,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (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 [2018-12-31 09:43:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:43:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:43:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:43:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:43:02,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:43:02,214 INFO L280 CfgBuilder]: Removed 106 assue(true) statements. [2018-12-31 09:43:02,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:43:02 BoogieIcfgContainer [2018-12-31 09:43:02,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:43:02,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:43:02,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:43:02,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:43:02,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:59" (1/3) ... [2018-12-31 09:43:02,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c38b142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:43:02, skipping insertion in model container [2018-12-31 09:43:02,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:43:00" (2/3) ... [2018-12-31 09:43:02,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c38b142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:43:02, skipping insertion in model container [2018-12-31 09:43:02,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:43:02" (3/3) ... [2018-12-31 09:43:02,223 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-12-31 09:43:02,233 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:43:02,241 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:43:02,259 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:43:02,290 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:43:02,291 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:43:02,291 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:43:02,291 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:43:02,292 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:43:02,292 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:43:02,292 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:43:02,292 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:43:02,292 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:43:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-12-31 09:43:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:43:02,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:43:02,319 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:43:02,321 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:43:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:43:02,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1047706522, now seen corresponding path program 1 times [2018-12-31 09:43:02,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:43:02,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:43:02,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:43:02,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:43:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:43:02,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:43:02,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:43:02,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:43:02,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:43:02,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:43:02,632 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-12-31 09:43:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:43:02,662 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2018-12-31 09:43:02,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:43:02,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:43:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:43:02,678 INFO L225 Difference]: With dead ends: 160 [2018-12-31 09:43:02,678 INFO L226 Difference]: Without dead ends: 79 [2018-12-31 09:43:02,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:43:02,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-31 09:43:02,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-31 09:43:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-31 09:43:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2018-12-31 09:43:02,735 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2018-12-31 09:43:02,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:43:02,736 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2018-12-31 09:43:02,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:43:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2018-12-31 09:43:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:43:02,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:43:02,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:43:02,738 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:43:02,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:43:02,739 INFO L82 PathProgramCache]: Analyzing trace with hash 136675769, now seen corresponding path program 1 times [2018-12-31 09:43:02,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:43:02,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:43:02,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:43:02,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:43:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:43:02,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:43:02,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:43:02,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:43:02,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:43:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:43:02,919 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 3 states. [2018-12-31 09:43:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:43:02,943 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2018-12-31 09:43:02,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:43:02,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:43:02,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:43:02,945 INFO L225 Difference]: With dead ends: 79 [2018-12-31 09:43:02,946 INFO L226 Difference]: Without dead ends: 37 [2018-12-31 09:43:02,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:43:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-31 09:43:02,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-31 09:43:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-31 09:43:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2018-12-31 09:43:02,954 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2018-12-31 09:43:02,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:43:02,954 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2018-12-31 09:43:02,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:43:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-12-31 09:43:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:43:02,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:43:02,956 INFO L402 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] [2018-12-31 09:43:02,956 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:43:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:43:02,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1444562447, now seen corresponding path program 1 times [2018-12-31 09:43:02,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:43:02,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:43:02,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:43:02,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:43:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:43:03,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:43:03,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:43:03,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:43:03,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:43:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:43:03,122 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 6 states. [2018-12-31 09:43:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:43:03,408 INFO L93 Difference]: Finished difference Result 124 states and 181 transitions. [2018-12-31 09:43:03,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:43:03,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-31 09:43:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:43:03,411 INFO L225 Difference]: With dead ends: 124 [2018-12-31 09:43:03,411 INFO L226 Difference]: Without dead ends: 93 [2018-12-31 09:43:03,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:43:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-12-31 09:43:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 58. [2018-12-31 09:43:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-31 09:43:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2018-12-31 09:43:03,427 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 24 [2018-12-31 09:43:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:43:03,427 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2018-12-31 09:43:03,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:43:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-12-31 09:43:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:43:03,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:43:03,429 INFO L402 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] [2018-12-31 09:43:03,429 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:43:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:43:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash -685298349, now seen corresponding path program 1 times [2018-12-31 09:43:03,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:43:03,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:43:03,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:03,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:43:03,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:43:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:43:03,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:43:03,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:43:03,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:43:03,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:43:03,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:43:03,600 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 5 states. [2018-12-31 09:43:04,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:43:04,006 INFO L93 Difference]: Finished difference Result 306 states and 467 transitions. [2018-12-31 09:43:04,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:43:04,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-31 09:43:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:43:04,013 INFO L225 Difference]: With dead ends: 306 [2018-12-31 09:43:04,013 INFO L226 Difference]: Without dead ends: 254 [2018-12-31 09:43:04,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:43:04,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-31 09:43:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 104. [2018-12-31 09:43:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-31 09:43:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 149 transitions. [2018-12-31 09:43:04,063 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 149 transitions. Word has length 25 [2018-12-31 09:43:04,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:43:04,064 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 149 transitions. [2018-12-31 09:43:04,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:43:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2018-12-31 09:43:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:43:04,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:43:04,071 INFO L402 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] [2018-12-31 09:43:04,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:43:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:43:04,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1650359957, now seen corresponding path program 1 times [2018-12-31 09:43:04,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:43:04,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:43:04,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:04,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:43:04,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:43:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:43:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:43:04,768 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:43:04,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:43:04 BoogieIcfgContainer [2018-12-31 09:43:04,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:43:04,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:43:04,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:43:04,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:43:04,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:43:02" (3/4) ... [2018-12-31 09:43:04,870 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:43:04,973 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:43:04,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:43:04,974 INFO L168 Benchmark]: Toolchain (without parser) took 5024.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.4 MB in the beginning and 849.8 MB in the end (delta: 101.6 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,976 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:43:04,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,978 INFO L168 Benchmark]: Boogie Preprocessor took 40.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:43:04,978 INFO L168 Benchmark]: RCFGBuilder took 1325.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,980 INFO L168 Benchmark]: TraceAbstraction took 2650.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.4 MB in the end (delta: 196.8 MB). Peak memory consumption was 196.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,981 INFO L168 Benchmark]: Witness Printer took 106.27 ms. Allocated memory is still 1.2 GB. Free memory was 863.4 MB in the beginning and 849.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:43:04,986 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 811.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1325.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2650.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.4 MB in the end (delta: 196.8 MB). Peak memory consumption was 196.8 MB. Max. memory is 11.5 GB. * Witness Printer took 106.27 ms. Allocated memory is still 1.2 GB. Free memory was 863.4 MB in the beginning and 849.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 346]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L917] int retValue_acc ; [L918] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L924] tmp = valid_product() [L926] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] COND TRUE waterLevel < 2 [L774] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND TRUE \read(systemActive) [L157] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L160] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L309] int tmp ; [L310] int tmp___0 ; [L311] int tmp___1 ; [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] tmp = isMethaneLevelCritical() [L317] COND FALSE !(\read(tmp)) [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] tmp___0 = getWaterLevel() [L323] COND TRUE tmp___0 == 2 [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] tmp___1 = isPumpRunning() [L327] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 3 error locations. UNSAFE Result, 2.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 297 SDtfs, 440 SDslu, 470 SDs, 0 SdLazy, 62 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 185 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...