./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/array-examples/sanfoundry_43_ground.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 09d0f89f9f5c05e5a1c2be78c272348efe147377 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:15:37,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:15:37,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:15:37,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:15:37,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:15:37,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:15:37,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:15:37,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:15:37,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:15:37,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:15:37,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:15:37,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:15:37,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:15:37,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:15:37,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:15:37,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:15:37,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:15:37,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:15:37,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:15:37,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:15:37,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:15:37,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:15:37,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:15:37,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:15:37,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:15:37,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:15:37,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:15:37,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:15:37,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:15:37,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:15:37,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:15:37,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:15:37,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:15:37,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:15:37,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:15:37,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:15:37,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:15:37,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:15:37,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:15:37,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:15:37,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:15:37,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:15:37,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:15:37,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:15:37,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:15:37,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:15:37,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:15:37,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:15:37,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:15:37,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:15:37,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:15:37,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:15:37,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:15:37,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:15:37,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:15:37,684 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:15:37,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:15:37,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:15:37,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:15:37,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:15:37,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:15:37,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:15:37,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:15:37,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:15:37,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:15:37,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:15:37,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:15:37,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:15:37,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:15:37,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:15:37,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:15:37,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 09d0f89f9f5c05e5a1c2be78c272348efe147377 [2019-11-28 15:15:38,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:15:38,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:15:38,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:15:38,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:15:38,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:15:38,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2019-11-28 15:15:38,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806a619b4/2812ae354318490fb686c50fa4db68bb/FLAGd926d4ee1 [2019-11-28 15:15:38,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:15:38,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2019-11-28 15:15:38,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806a619b4/2812ae354318490fb686c50fa4db68bb/FLAGd926d4ee1 [2019-11-28 15:15:38,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806a619b4/2812ae354318490fb686c50fa4db68bb [2019-11-28 15:15:38,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:15:38,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:15:38,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:15:38,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:15:38,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:15:38,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2019-11-28 15:15:38,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6497695e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38, skipping insertion in model container [2019-11-28 15:15:38,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2019-11-28 15:15:39,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:15:39,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:15:39,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:15:39,283 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:15:39,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:15:39,333 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:15:39,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39 WrapperNode [2019-11-28 15:15:39,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:15:39,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:15:39,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:15:39,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:15:39,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:15:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:15:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:15:39,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:15:39,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (1/1) ... [2019-11-28 15:15:39,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:15:39,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:15:39,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:15:39,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:15:39,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (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 [2019-11-28 15:15:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 15:15:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:15:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:15:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 15:15:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 15:15:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 15:15:39,751 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:15:39,752 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 15:15:39,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39 BoogieIcfgContainer [2019-11-28 15:15:39,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:15:39,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:15:39,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:15:39,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:15:39,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:38" (1/3) ... [2019-11-28 15:15:39,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5950931f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:39, skipping insertion in model container [2019-11-28 15:15:39,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:39" (2/3) ... [2019-11-28 15:15:39,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5950931f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:39, skipping insertion in model container [2019-11-28 15:15:39,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39" (3/3) ... [2019-11-28 15:15:39,762 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2019-11-28 15:15:39,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:15:39,780 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 15:15:39,793 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 15:15:39,815 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:15:39,815 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:15:39,816 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:15:39,816 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:15:39,816 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:15:39,816 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:15:39,817 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:15:39,817 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:15:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-28 15:15:39,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:15:39,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2019-11-28 15:15:39,913 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:15:39,914 INFO L246 CegarLoopResult]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2019-11-28 15:15:39,915 INFO L249 CegarLoopResult]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2019-11-28 15:15:39,915 INFO L246 CegarLoopResult]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2019-11-28 15:15:39,915 INFO L246 CegarLoopResult]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2019-11-28 15:15:39,915 INFO L249 CegarLoopResult]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2019-11-28 15:15:39,916 INFO L246 CegarLoopResult]: For program point L17-4(lines 17 19) no Hoare annotation was computed. [2019-11-28 15:15:39,916 INFO L246 CegarLoopResult]: For program point L5(lines 5 11) no Hoare annotation was computed. [2019-11-28 15:15:39,916 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:15:39,916 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:15:39,916 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:15:39,916 INFO L249 CegarLoopResult]: At program point L26(lines 12 27) the Hoare annotation is: true [2019-11-28 15:15:39,917 INFO L246 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2019-11-28 15:15:39,917 INFO L249 CegarLoopResult]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2019-11-28 15:15:39,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:39 BoogieIcfgContainer [2019-11-28 15:15:39,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:15:39,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:15:39,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:15:39,933 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:15:39,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:39" (3/4) ... [2019-11-28 15:15:39,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:15:39,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-28 15:15:39,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:15:39,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 15:15:40,074 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:15:40,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:15:40,080 INFO L168 Benchmark]: Toolchain (without parser) took 1094.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,081 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:15:40,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.73 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,087 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,092 INFO L168 Benchmark]: RCFGBuilder took 259.81 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,094 INFO L168 Benchmark]: TraceAbstraction took 177.28 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,097 INFO L168 Benchmark]: Witness Printer took 145.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:15:40,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.73 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.80 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 259.81 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 177.28 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 145.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...