./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/test05_true-unreach-call_true-termination.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/ldv-regression/test05_true-unreach-call_true-termination.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 d041348802bf4718d6612df649aecee20760a6ff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 15:49:57,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 15:49:57,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 15:49:57,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 15:49:57,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 15:49:57,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 15:49:57,482 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 15:49:57,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 15:49:57,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 15:49:57,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 15:49:57,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 15:49:57,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 15:49:57,489 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 15:49:57,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 15:49:57,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 15:49:57,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 15:49:57,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 15:49:57,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 15:49:57,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 15:49:57,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 15:49:57,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 15:49:57,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 15:49:57,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 15:49:57,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 15:49:57,507 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 15:49:57,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 15:49:57,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 15:49:57,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 15:49:57,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 15:49:57,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 15:49:57,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 15:49:57,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 15:49:57,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 15:49:57,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 15:49:57,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 15:49:57,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 15:49:57,523 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 15:49:57,543 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 15:49:57,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 15:49:57,545 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 15:49:57,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 15:49:57,545 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 15:49:57,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 15:49:57,545 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 15:49:57,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 15:49:57,546 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 15:49:57,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 15:49:57,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 15:49:57,548 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 15:49:57,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 15:49:57,548 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 15:49:57,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 15:49:57,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 15:49:57,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 15:49:57,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 15:49:57,551 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 15:49:57,551 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 15:49:57,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 15:49:57,551 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 -> d041348802bf4718d6612df649aecee20760a6ff [2019-01-14 15:49:57,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 15:49:57,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 15:49:57,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 15:49:57,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 15:49:57,616 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 15:49:57,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/test05_true-unreach-call_true-termination.c [2019-01-14 15:49:57,683 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c1cb284/d903f30aaa6242d4b83d77812151e818/FLAG79b3fd132 [2019-01-14 15:49:58,103 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 15:49:58,104 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/test05_true-unreach-call_true-termination.c [2019-01-14 15:49:58,111 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c1cb284/d903f30aaa6242d4b83d77812151e818/FLAG79b3fd132 [2019-01-14 15:49:58,483 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8c1cb284/d903f30aaa6242d4b83d77812151e818 [2019-01-14 15:49:58,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 15:49:58,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 15:49:58,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 15:49:58,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 15:49:58,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 15:49:58,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcbd4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58, skipping insertion in model container [2019-01-14 15:49:58,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 15:49:58,526 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 15:49:58,765 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:49:58,788 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 15:49:58,817 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:49:58,841 INFO L195 MainTranslator]: Completed translation [2019-01-14 15:49:58,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58 WrapperNode [2019-01-14 15:49:58,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 15:49:58,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 15:49:58,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 15:49:58,843 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 15:49:58,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 15:49:58,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 15:49:58,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 15:49:58,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 15:49:58,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (1/1) ... [2019-01-14 15:49:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 15:49:58,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 15:49:58,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 15:49:58,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 15:49:58,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (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 [2019-01-14 15:49:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 15:49:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 15:49:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 15:49:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 15:49:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 15:49:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 15:49:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 15:49:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 15:49:59,495 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 15:49:59,495 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-14 15:49:59,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:59 BoogieIcfgContainer [2019-01-14 15:49:59,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 15:49:59,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 15:49:59,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 15:49:59,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 15:49:59,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 03:49:58" (1/3) ... [2019-01-14 15:49:59,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d17fdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:49:59, skipping insertion in model container [2019-01-14 15:49:59,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:58" (2/3) ... [2019-01-14 15:49:59,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d17fdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:49:59, skipping insertion in model container [2019-01-14 15:49:59,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:59" (3/3) ... [2019-01-14 15:49:59,506 INFO L112 eAbstractionObserver]: Analyzing ICFG test05_true-unreach-call_true-termination.c [2019-01-14 15:49:59,515 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 15:49:59,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 15:49:59,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 15:49:59,569 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 15:49:59,570 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 15:49:59,570 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 15:49:59,570 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 15:49:59,570 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 15:49:59,570 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 15:49:59,570 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 15:49:59,571 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 15:49:59,571 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 15:49:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-01-14 15:49:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 15:49:59,592 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:49:59,593 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 15:49:59,596 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:49:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:49:59,602 INFO L82 PathProgramCache]: Analyzing trace with hash 889629870, now seen corresponding path program 1 times [2019-01-14 15:49:59,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:49:59,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:49:59,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:49:59,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:49:59,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:49:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:49:59,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 15:49:59,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:49:59,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:49:59,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:49:59,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:49:59,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:49:59,868 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-01-14 15:49:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:49:59,911 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-01-14 15:49:59,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:49:59,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 15:49:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:49:59,922 INFO L225 Difference]: With dead ends: 20 [2019-01-14 15:49:59,922 INFO L226 Difference]: Without dead ends: 9 [2019-01-14 15:49:59,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:49:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-14 15:49:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-14 15:49:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 15:49:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-14 15:49:59,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-01-14 15:49:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:49:59,954 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-14 15:49:59,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:49:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-14 15:49:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 15:49:59,954 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:49:59,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:49:59,955 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:49:59,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:49:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1804905807, now seen corresponding path program 1 times [2019-01-14 15:49:59,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:49:59,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:49:59,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:49:59,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:49:59,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:49:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:50:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 15:50:00,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:50:00,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 15:50:00,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 15:50:00,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 15:50:00,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 15:50:00,099 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-01-14 15:50:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:50:00,220 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-01-14 15:50:00,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 15:50:00,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-01-14 15:50:00,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:50:00,221 INFO L225 Difference]: With dead ends: 11 [2019-01-14 15:50:00,222 INFO L226 Difference]: Without dead ends: 9 [2019-01-14 15:50:00,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 15:50:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-14 15:50:00,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-14 15:50:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 15:50:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-01-14 15:50:00,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2019-01-14 15:50:00,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:50:00,228 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-01-14 15:50:00,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 15:50:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-01-14 15:50:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-14 15:50:00,228 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:50:00,229 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:50:00,229 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:50:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:50:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash 117506990, now seen corresponding path program 1 times [2019-01-14 15:50:00,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:50:00,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:50:00,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:50:00,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:50:00,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:50:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:50:00,618 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2019-01-14 15:50:00,983 WARN L181 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-01-14 15:50:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 15:50:01,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:50:01,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 15:50:01,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-14 15:50:01,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-14 15:50:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-14 15:50:01,198 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 7 states. [2019-01-14 15:50:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:50:01,390 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2019-01-14 15:50:01,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 15:50:01,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-01-14 15:50:01,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:50:01,391 INFO L225 Difference]: With dead ends: 9 [2019-01-14 15:50:01,391 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 15:50:01,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-14 15:50:01,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 15:50:01,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 15:50:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 15:50:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 15:50:01,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-14 15:50:01,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:50:01,394 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 15:50:01,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-14 15:50:01,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 15:50:01,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 15:50:01,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 15:50:01,566 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-01-14 15:50:01,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 15:50:01,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-14 15:50:01,574 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-01-14 15:50:01,574 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-01-14 15:50:01,574 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-14 15:50:01,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 15:50:01,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 15:50:01,575 INFO L444 ceAbstractionStarter]: At program point L16(lines 11 18) the Hoare annotation is: (and (= 1 |ULTIMATE.start_f_#res|) (let ((.cse2 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#p1~0.base|) |ULTIMATE.start_main_~#p1~0.offset|))) (let ((.cse1 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#p1~0.base|) |ULTIMATE.start_main_~#p1~0.offset|)) (.cse0 (= |ULTIMATE.start_main_~#a~0.base| .cse2))) (or (and .cse0 (not (= |ULTIMATE.start_main_~#a~0.offset| .cse1)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) .cse1))) (and (= 0 (select (select |#memory_int| .cse2) .cse1)) (not .cse0))))) (= 4 ULTIMATE.start_f_~a) (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#p1~0.base|))) [2019-01-14 15:50:01,576 INFO L444 ceAbstractionStarter]: At program point L45(lines 20 46) the Hoare annotation is: (= 4 ULTIMATE.start_f_~a) [2019-01-14 15:50:01,576 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-01-14 15:50:01,576 INFO L444 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-01-14 15:50:01,576 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 9) no Hoare annotation was computed. [2019-01-14 15:50:01,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,590 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,590 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,590 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,594 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,596 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,596 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,596 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,599 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,599 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 03:50:01 BoogieIcfgContainer [2019-01-14 15:50:01,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 15:50:01,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 15:50:01,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 15:50:01,602 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 15:50:01,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:59" (3/4) ... [2019-01-14 15:50:01,606 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 15:50:01,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-01-14 15:50:01,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-14 15:50:01,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 15:50:01,652 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && (((a == #memory_$Pointer$[p1][p1] && !(a == #memory_$Pointer$[p1][p1])) && 0 == unknown-#memory_int-unknown[a][#memory_$Pointer$[p1][p1]]) || (0 == unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] && !(a == #memory_$Pointer$[p1][p1])))) && 4 == a) && !(a == p1) [2019-01-14 15:50:01,688 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 15:50:01,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 15:50:01,690 INFO L168 Benchmark]: Toolchain (without parser) took 3201.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,690 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. [2019-01-14 15:50:01,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.48 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:50:01,692 INFO L168 Benchmark]: Boogie Preprocessor took 41.81 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,692 INFO L168 Benchmark]: RCFGBuilder took 553.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,693 INFO L168 Benchmark]: TraceAbstraction took 2103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,693 INFO L168 Benchmark]: Witness Printer took 86.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 15:50:01,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.48 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.81 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 553.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2103.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant [2019-01-14 15:50:01,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,713 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,713 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,719 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,719 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,720 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,720 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-14 15:50:01,721 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-14 15:50:01,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,725 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,725 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,725 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,725 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 15:50:01,726 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,726 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-14 15:50:01,726 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((1 == \result && (((a == #memory_$Pointer$[p1][p1] && !(a == #memory_$Pointer$[p1][p1])) && 0 == unknown-#memory_int-unknown[a][#memory_$Pointer$[p1][p1]]) || (0 == unknown-#memory_int-unknown[#memory_$Pointer$[p1][p1]][#memory_$Pointer$[p1][p1]] && !(a == #memory_$Pointer$[p1][p1])))) && 4 == a) && !(a == p1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 4 == a - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 15 SDslu, 15 SDs, 0 SdLazy, 18 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 67 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 1019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...