./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-acceleration/multivar_false-unreach-call1_true-termination.i --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/loop-acceleration/multivar_false-unreach-call1_true-termination.i -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 41f14415ec241c52b66ac43e6b6d8700e45c40dd ..................................................................................................................................................................................................................... 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 11:01:24,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 11:01:24,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 11:01:24,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 11:01:24,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 11:01:24,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 11:01:24,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 11:01:24,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 11:01:24,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 11:01:24,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 11:01:24,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 11:01:24,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 11:01:24,591 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 11:01:24,592 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 11:01:24,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 11:01:24,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 11:01:24,595 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 11:01:24,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 11:01:24,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 11:01:24,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 11:01:24,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 11:01:24,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 11:01:24,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 11:01:24,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 11:01:24,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 11:01:24,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 11:01:24,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 11:01:24,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 11:01:24,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 11:01:24,618 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 11:01:24,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 11:01:24,619 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 11:01:24,619 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 11:01:24,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 11:01:24,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 11:01:24,628 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 11:01:24,629 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 11:01:24,646 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 11:01:24,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 11:01:24,647 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 11:01:24,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 11:01:24,648 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 11:01:24,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 11:01:24,648 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 11:01:24,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 11:01:24,648 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 11:01:24,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 11:01:24,650 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 11:01:24,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 11:01:24,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 11:01:24,650 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 11:01:24,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 11:01:24,650 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 11:01:24,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 11:01:24,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 11:01:24,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 11:01:24,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 11:01:24,651 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 11:01:24,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 11:01:24,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 11:01:24,652 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 -> 41f14415ec241c52b66ac43e6b6d8700e45c40dd [2019-01-12 11:01:24,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 11:01:24,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 11:01:24,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 11:01:24,740 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 11:01:24,740 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 11:01:24,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/multivar_false-unreach-call1_true-termination.i [2019-01-12 11:01:24,793 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb85ed7c/1f1a41128a7f48e68a23debdf915696f/FLAG3c3c70da0 [2019-01-12 11:01:25,238 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 11:01:25,239 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/multivar_false-unreach-call1_true-termination.i [2019-01-12 11:01:25,245 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb85ed7c/1f1a41128a7f48e68a23debdf915696f/FLAG3c3c70da0 [2019-01-12 11:01:25,603 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb85ed7c/1f1a41128a7f48e68a23debdf915696f [2019-01-12 11:01:25,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 11:01:25,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 11:01:25,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 11:01:25,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 11:01:25,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 11:01:25,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1208df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25, skipping insertion in model container [2019-01-12 11:01:25,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 11:01:25,648 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 11:01:25,814 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 11:01:25,819 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 11:01:25,835 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 11:01:25,851 INFO L195 MainTranslator]: Completed translation [2019-01-12 11:01:25,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25 WrapperNode [2019-01-12 11:01:25,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 11:01:25,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 11:01:25,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 11:01:25,854 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 11:01:25,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 11:01:25,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 11:01:25,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 11:01:25,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 11:01:25,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (1/1) ... [2019-01-12 11:01:25,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 11:01:25,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 11:01:25,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 11:01:25,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 11:01:25,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (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 11:01:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 11:01:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 11:01:26,211 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 11:01:26,211 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 11:01:26,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:01:26 BoogieIcfgContainer [2019-01-12 11:01:26,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 11:01:26,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 11:01:26,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 11:01:26,217 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 11:01:26,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 11:01:25" (1/3) ... [2019-01-12 11:01:26,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e26e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 11:01:26, skipping insertion in model container [2019-01-12 11:01:26,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:01:25" (2/3) ... [2019-01-12 11:01:26,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e26e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 11:01:26, skipping insertion in model container [2019-01-12 11:01:26,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:01:26" (3/3) ... [2019-01-12 11:01:26,222 INFO L112 eAbstractionObserver]: Analyzing ICFG multivar_false-unreach-call1_true-termination.i [2019-01-12 11:01:26,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 11:01:26,239 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 11:01:26,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 11:01:26,287 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 11:01:26,288 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 11:01:26,288 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 11:01:26,288 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 11:01:26,288 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 11:01:26,289 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 11:01:26,289 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 11:01:26,290 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 11:01:26,290 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 11:01:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-01-12 11:01:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-12 11:01:26,311 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 11:01:26,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-12 11:01:26,315 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 11:01:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 11:01:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2019-01-12 11:01:26,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 11:01:26,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 11:01:26,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:01:26,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 11:01:26,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:01:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 11:01:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 11:01:26,434 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 11:01:26,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 11:01:26 BoogieIcfgContainer [2019-01-12 11:01:26,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 11:01:26,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 11:01:26,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 11:01:26,454 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 11:01:26,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:01:26" (3/4) ... [2019-01-12 11:01:26,457 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 11:01:26,498 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 11:01:26,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 11:01:26,499 INFO L168 Benchmark]: Toolchain (without parser) took 891.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:01:26,501 INFO L168 Benchmark]: CDTParser took 0.15 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 11:01:26,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 11:01:26,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:01:26,503 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:01:26,503 INFO L168 Benchmark]: RCFGBuilder took 301.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-12 11:01:26,504 INFO L168 Benchmark]: TraceAbstraction took 239.86 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-01-12 11:01:26,505 INFO L168 Benchmark]: Witness Printer took 44.93 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 11:01:26,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 241.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 301.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 239.86 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.93 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] unsigned int x = __VERIFIER_nondet_uint(); [L11] unsigned int y = x + 1; [L12] COND FALSE !(x < 1024) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...