./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_product07_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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-12 14:47:26,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:47:26,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:47:26,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:47:26,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:47:26,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:47:26,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:47:26,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:47:26,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:47:26,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:47:26,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:47:26,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:47:26,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:47:26,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:47:26,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:47:26,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:47:26,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:47:26,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:47:26,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:47:26,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:47:26,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:47:26,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:47:26,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:47:26,476 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:47:26,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:47:26,477 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:47:26,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:47:26,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:47:26,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:47:26,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:47:26,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:47:26,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:47:26,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:47:26,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:47:26,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:47:26,486 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:47:26,486 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:47:26,501 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:47:26,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:47:26,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:47:26,503 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:47:26,503 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:47:26,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:47:26,504 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:47:26,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:47:26,506 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:47:26,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:47:26,506 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:47:26,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:47:26,506 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:47:26,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:47:26,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:47:26,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:47:26,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:26,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:47:26,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:47:26,510 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:47:26,510 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:47:26,510 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:47:26,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:47:26,510 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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2019-01-12 14:47:26,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:47:26,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:47:26,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:47:26,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:47:26,597 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:47:26,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:26,670 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb282a08/4722ac7975784c08a1322862105ef468/FLAG6f27942fb [2019-01-12 14:47:27,189 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:47:27,190 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:27,209 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb282a08/4722ac7975784c08a1322862105ef468/FLAG6f27942fb [2019-01-12 14:47:27,499 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb282a08/4722ac7975784c08a1322862105ef468 [2019-01-12 14:47:27,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:47:27,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:47:27,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:27,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:47:27,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:47:27,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:27" (1/1) ... [2019-01-12 14:47:27,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672937de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:27, skipping insertion in model container [2019-01-12 14:47:27,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:27" (1/1) ... [2019-01-12 14:47:27,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:47:27,597 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:47:27,952 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:27,974 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:47:28,138 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:28,181 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:47:28,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28 WrapperNode [2019-01-12 14:47:28,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:28,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:28,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:47:28,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:47:28,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:28,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:47:28,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:47:28,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:47:28,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (1/1) ... [2019-01-12 14:47:28,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:47:28,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:47:28,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:47:28,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:47:28,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (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 [2019-01-12 14:47:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:47:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:47:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:47:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:47:29,598 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:47:29,598 INFO L286 CfgBuilder]: Removed 106 assue(true) statements. [2019-01-12 14:47:29,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:29 BoogieIcfgContainer [2019-01-12 14:47:29,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:47:29,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:47:29,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:47:29,605 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:47:29,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:47:27" (1/3) ... [2019-01-12 14:47:29,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d64924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:29, skipping insertion in model container [2019-01-12 14:47:29,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:28" (2/3) ... [2019-01-12 14:47:29,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d64924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:29, skipping insertion in model container [2019-01-12 14:47:29,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:29" (3/3) ... [2019-01-12 14:47:29,610 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:29,621 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:47:29,629 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:47:29,648 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:47:29,681 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:47:29,682 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:47:29,682 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:47:29,682 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:47:29,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:47:29,683 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:47:29,684 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:47:29,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:47:29,684 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:47:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-01-12 14:47:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 14:47:29,715 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:29,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:29,718 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:29,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:29,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2019-01-12 14:47:29,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:29,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:29,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:29,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:29,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:30,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:30,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:30,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:47:30,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:47:30,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:30,027 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-01-12 14:47:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:30,055 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-01-12 14:47:30,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:47:30,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-01-12 14:47:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:30,074 INFO L225 Difference]: With dead ends: 148 [2019-01-12 14:47:30,074 INFO L226 Difference]: Without dead ends: 73 [2019-01-12 14:47:30,078 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 [2019-01-12 14:47:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-12 14:47:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-01-12 14:47:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-12 14:47:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-01-12 14:47:30,124 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-01-12 14:47:30,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:30,125 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-01-12 14:47:30,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:47:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-01-12 14:47:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:47:30,126 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:30,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:30,127 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:30,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:30,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2019-01-12 14:47:30,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:30,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:30,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:30,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:30,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:30,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:47:30,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:30,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:30,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:30,277 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-01-12 14:47:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:30,301 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-01-12 14:47:30,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:30,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-01-12 14:47:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:30,305 INFO L225 Difference]: With dead ends: 73 [2019-01-12 14:47:30,305 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 14:47:30,306 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 [2019-01-12 14:47:30,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 14:47:30,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 14:47:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 14:47:30,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-01-12 14:47:30,313 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-01-12 14:47:30,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:30,313 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-01-12 14:47:30,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-01-12 14:47:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:47:30,314 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:30,315 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] [2019-01-12 14:47:30,315 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:30,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:30,316 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2019-01-12 14:47:30,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:30,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:30,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:30,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:30,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:30,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:30,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:30,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:30,489 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-01-12 14:47:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:30,556 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2019-01-12 14:47:30,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:30,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:47:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:30,558 INFO L225 Difference]: With dead ends: 93 [2019-01-12 14:47:30,558 INFO L226 Difference]: Without dead ends: 64 [2019-01-12 14:47:30,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-12 14:47:30,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-01-12 14:47:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-12 14:47:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2019-01-12 14:47:30,570 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2019-01-12 14:47:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:30,571 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2019-01-12 14:47:30,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2019-01-12 14:47:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:47:30,572 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:30,572 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] [2019-01-12 14:47:30,573 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:30,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2019-01-12 14:47:30,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:30,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:30,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:30,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:30,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:30,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:47:30,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:30,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:30,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:30,746 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2019-01-12 14:47:31,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:31,011 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2019-01-12 14:47:31,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:47:31,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-12 14:47:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:31,016 INFO L225 Difference]: With dead ends: 320 [2019-01-12 14:47:31,016 INFO L226 Difference]: Without dead ends: 266 [2019-01-12 14:47:31,017 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 [2019-01-12 14:47:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-01-12 14:47:31,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2019-01-12 14:47:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-01-12 14:47:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2019-01-12 14:47:31,044 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2019-01-12 14:47:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:31,045 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2019-01-12 14:47:31,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2019-01-12 14:47:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:47:31,046 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:31,047 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] [2019-01-12 14:47:31,048 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:31,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:31,048 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2019-01-12 14:47:31,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:31,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:31,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:31,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:31,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:31,766 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 14:47:31,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:47:31 BoogieIcfgContainer [2019-01-12 14:47:31,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:47:31,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:47:31,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:47:31,897 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:47:31,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:29" (3/4) ... [2019-01-12 14:47:31,902 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 14:47:32,057 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:47:32,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:47:32,059 INFO L168 Benchmark]: Toolchain (without parser) took 4555.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.7 MB in the beginning and 857.7 MB in the end (delta: 95.0 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,061 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. [2019-01-12 14:47:32,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.92 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,063 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 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. [2019-01-12 14:47:32,064 INFO L168 Benchmark]: RCFGBuilder took 1298.84 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,064 INFO L168 Benchmark]: TraceAbstraction took 2295.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.1 MB in the end (delta: 188.2 MB). Peak memory consumption was 188.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,066 INFO L168 Benchmark]: Witness Printer took 161.01 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 857.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:32,070 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 676.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.92 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.24 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 1298.84 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2295.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.1 MB in the end (delta: 188.2 MB). Peak memory consumption was 188.2 MB. Max. memory is 11.5 GB. * Witness Printer took 161.01 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 857.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; [L165] int retValue_acc ; [L166] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE waterLevel < 2 [L830] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND TRUE \read(systemActive) [L632] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] COND TRUE tmp___0 == 2 [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __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, 77 locations, 3 error locations. UNSAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 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...