./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_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_product18_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 414418e2da6d7a65cf7274af502c2c1949ddb3af ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:42:45,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:45,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:45,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:45,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:45,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:45,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:45,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:45,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:45,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:45,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:45,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:45,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:45,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:45,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:45,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:45,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:45,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:45,553 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:45,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:45,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:45,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:45,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:45,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:45,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:45,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:45,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:45,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:45,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:45,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:45,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:45,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:45,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:45,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:45,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:45,590 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:45,590 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:45,624 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:45,624 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:45,625 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:45,625 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:45,626 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:45,627 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:45,627 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:45,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:45,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:45,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:45,628 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:45,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:45,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:45,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:45,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:45,632 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:45,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:45,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:45,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:45,633 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:45,633 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:45,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:45,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:45,634 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 -> 414418e2da6d7a65cf7274af502c2c1949ddb3af [2018-12-31 09:42:45,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:45,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:45,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:45,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:45,732 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:45,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:45,792 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c31b533f/03e80630e60c4c09a6d883deb645ddc5/FLAGa42706dfb [2018-12-31 09:42:46,317 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:46,318 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:46,335 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c31b533f/03e80630e60c4c09a6d883deb645ddc5/FLAGa42706dfb [2018-12-31 09:42:46,665 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c31b533f/03e80630e60c4c09a6d883deb645ddc5 [2018-12-31 09:42:46,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:46,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:46,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:46,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:46,677 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:46,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:46" (1/1) ... [2018-12-31 09:42:46,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3597a81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:46, skipping insertion in model container [2018-12-31 09:42:46,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:46" (1/1) ... [2018-12-31 09:42:46,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:46,761 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:47,159 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:47,186 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:47,361 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:47,408 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47 WrapperNode [2018-12-31 09:42:47,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:47,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:47,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:47,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:47,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:47,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:47,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:47,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (1/1) ... [2018-12-31 09:42:47,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:47,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:47,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:47,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:47,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (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 09:42:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:48,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:48,836 INFO L280 CfgBuilder]: Removed 104 assue(true) statements. [2018-12-31 09:42:48,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:48 BoogieIcfgContainer [2018-12-31 09:42:48,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:48,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:48,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:48,841 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:48,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:46" (1/3) ... [2018-12-31 09:42:48,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c5b84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:48, skipping insertion in model container [2018-12-31 09:42:48,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:47" (2/3) ... [2018-12-31 09:42:48,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c5b84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:48, skipping insertion in model container [2018-12-31 09:42:48,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:48" (3/3) ... [2018-12-31 09:42:48,845 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:48,855 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:48,864 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:48,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:48,919 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:48,920 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:48,920 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:48,920 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:48,921 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:48,921 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:48,921 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:48,921 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:48,921 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-12-31 09:42:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:48,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:48,947 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 09:42:48,950 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:48,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash 928665618, now seen corresponding path program 1 times [2018-12-31 09:42:48,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:48,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:49,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:49,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:49,200 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 09:42:49,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:49,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:49,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:49,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:49,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:49,222 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2018-12-31 09:42:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:49,258 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-12-31 09:42:49,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:49,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:49,277 INFO L225 Difference]: With dead ends: 156 [2018-12-31 09:42:49,277 INFO L226 Difference]: Without dead ends: 77 [2018-12-31 09:42:49,282 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 09:42:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-12-31 09:42:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-31 09:42:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-31 09:42:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2018-12-31 09:42:49,331 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2018-12-31 09:42:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:49,332 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-12-31 09:42:49,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-12-31 09:42:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:49,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:49,334 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 09:42:49,335 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:49,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:49,336 INFO L82 PathProgramCache]: Analyzing trace with hash 674916017, now seen corresponding path program 1 times [2018-12-31 09:42:49,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:49,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:49,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:49,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:49,532 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 09:42:49,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:49,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:49,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:49,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:49,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:49,540 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 3 states. [2018-12-31 09:42:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:49,574 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2018-12-31 09:42:49,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:49,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:49,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:49,576 INFO L225 Difference]: With dead ends: 77 [2018-12-31 09:42:49,577 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 09:42:49,579 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 09:42:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 09:42:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 09:42:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 09:42:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-12-31 09:42:49,589 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-12-31 09:42:49,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:49,589 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-12-31 09:42:49,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-12-31 09:42:49,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:49,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:49,593 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 09:42:49,594 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash 492093711, now seen corresponding path program 1 times [2018-12-31 09:42:49,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:49,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:49,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:49,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:49,811 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 09:42:49,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:49,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:42:49,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:49,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:49,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:49,813 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2018-12-31 09:42:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:49,959 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2018-12-31 09:42:49,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:42:49,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 09:42:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:49,962 INFO L225 Difference]: With dead ends: 64 [2018-12-31 09:42:49,962 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 09:42:49,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:42:49,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 09:42:49,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 09:42:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 09:42:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2018-12-31 09:42:49,977 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2018-12-31 09:42:49,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:49,977 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2018-12-31 09:42:49,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2018-12-31 09:42:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:42:49,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:49,979 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 09:42:49,982 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash -147058101, now seen corresponding path program 1 times [2018-12-31 09:42:49,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:49,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:49,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:49,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:49,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:50,193 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 09:42:50,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:50,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:50,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:50,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:50,196 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2018-12-31 09:42:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:50,475 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2018-12-31 09:42:50,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:50,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-31 09:42:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:50,478 INFO L225 Difference]: With dead ends: 172 [2018-12-31 09:42:50,478 INFO L226 Difference]: Without dead ends: 143 [2018-12-31 09:42:50,479 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 09:42:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-31 09:42:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 60. [2018-12-31 09:42:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:42:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2018-12-31 09:42:50,494 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 25 [2018-12-31 09:42:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:50,494 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2018-12-31 09:42:50,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-31 09:42:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:42:50,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:50,496 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 09:42:50,496 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:50,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2106367091, now seen corresponding path program 1 times [2018-12-31 09:42:50,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:50,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:50,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:50,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:50,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:51,191 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:51,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:51 BoogieIcfgContainer [2018-12-31 09:42:51,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:51,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:51,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:51,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:51,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:48" (3/4) ... [2018-12-31 09:42:51,347 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:51,477 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:51,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:51,478 INFO L168 Benchmark]: Toolchain (without parser) took 4808.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 850.4 MB in the end (delta: 101.0 MB). Peak memory consumption was 241.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:51,480 INFO L168 Benchmark]: CDTParser took 0.99 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 09:42:51,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:51,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.59 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 09:42:51,482 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 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 09:42:51,482 INFO L168 Benchmark]: RCFGBuilder took 1279.43 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:51,483 INFO L168 Benchmark]: TraceAbstraction took 2503.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.7 MB in the end (delta: 199.8 MB). Peak memory consumption was 199.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:51,483 INFO L168 Benchmark]: Witness Printer took 135.54 ms. Allocated memory is still 1.2 GB. Free memory was 863.7 MB in the beginning and 850.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:51,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 737.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.59 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. * Boogie Preprocessor took 42.00 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 1279.43 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2503.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.7 MB in the end (delta: 199.8 MB). Peak memory consumption was 199.8 MB. Max. memory is 11.5 GB. * Witness Printer took 135.54 ms. Allocated memory is still 1.2 GB. Free memory was 863.7 MB in the beginning and 850.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 910]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L608] int pumpRunning = 0; [L609] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] int splverifierCounter ; [L771] int tmp ; [L772] int tmp___0 ; [L773] int tmp___1 ; [L774] int tmp___2 ; [L777] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L779] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L787] tmp = __VERIFIER_nondet_int() [L789] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L797] tmp___0 = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] tmp___2 = __VERIFIER_nondet_int() [L809] COND TRUE \read(tmp___2) [L764] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L616] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND TRUE \read(systemActive) [L645] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] int tmp ; [L874] int tmp___0 ; [L875] int tmp___1 ; [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L879] tmp = isMethaneLevelCritical() [L881] COND FALSE !(\read(tmp)) [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L885] tmp___0 = getWaterLevel() [L887] COND TRUE tmp___0 == 2 [L697] int retValue_acc ; [L700] retValue_acc = pumpRunning [L701] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L889] tmp___1 = isPumpRunning() [L891] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] __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, 81 locations, 3 error locations. UNSAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 279 SDtfs, 367 SDslu, 187 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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...