./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-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/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-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 22743d7befdbed7bca04117987d3fb7cfca6c20e .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 11:42:50,658 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 11:42:50,660 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 11:42:50,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 11:42:50,678 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 11:42:50,680 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 11:42:50,681 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 11:42:50,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 11:42:50,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 11:42:50,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 11:42:50,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 11:42:50,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 11:42:50,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 11:42:50,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 11:42:50,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 11:42:50,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 11:42:50,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 11:42:50,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 11:42:50,714 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 11:42:50,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 11:42:50,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 11:42:50,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 11:42:50,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 11:42:50,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 11:42:50,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 11:42:50,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 11:42:50,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 11:42:50,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 11:42:50,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 11:42:50,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 11:42:50,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 11:42:50,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 11:42:50,739 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 11:42:50,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 11:42:50,740 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 11:42:50,743 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 11:42:50,745 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 11:42:50,771 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 11:42:50,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 11:42:50,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 11:42:50,777 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 11:42:50,777 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 11:42:50,778 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 11:42:50,778 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 11:42:50,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 11:42:50,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 11:42:50,779 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 11:42:50,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 11:42:50,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 11:42:50,780 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 11:42:50,780 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 11:42:50,780 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 11:42:50,782 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 11:42:50,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 11:42:50,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 11:42:50,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 11:42:50,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 11:42:50,782 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 11:42:50,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 11:42:50,785 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 11:42:50,785 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 11:42:50,786 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 11:42:50,786 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 11:42:50,786 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 11:42:50,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 11:42:50,787 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 -> 22743d7befdbed7bca04117987d3fb7cfca6c20e [2019-01-12 11:42:50,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 11:42:50,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 11:42:50,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 11:42:50,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 11:42:50,866 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 11:42:50,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-12 11:42:50,928 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b5fb8b5/de2ff623c5ea4350bf7fdcf399a953bf/FLAGc8223f9ed [2019-01-12 11:42:51,345 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 11:42:51,346 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-12 11:42:51,351 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b5fb8b5/de2ff623c5ea4350bf7fdcf399a953bf/FLAGc8223f9ed [2019-01-12 11:42:51,778 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b5fb8b5/de2ff623c5ea4350bf7fdcf399a953bf [2019-01-12 11:42:51,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 11:42:51,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 11:42:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 11:42:51,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 11:42:51,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 11:42:51,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:51,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694eaae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51, skipping insertion in model container [2019-01-12 11:42:51,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:51,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 11:42:51,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 11:42:51,959 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 11:42:51,963 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 11:42:51,978 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 11:42:51,988 INFO L195 MainTranslator]: Completed translation [2019-01-12 11:42:51,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51 WrapperNode [2019-01-12 11:42:51,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 11:42:51,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 11:42:51,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 11:42:51,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 11:42:51,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 11:42:52,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 11:42:52,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 11:42:52,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 11:42:52,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (1/1) ... [2019-01-12 11:42:52,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 11:42:52,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 11:42:52,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 11:42:52,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 11:42:52,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (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 11:42:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 11:42:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 11:42:52,308 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 11:42:52,308 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 11:42:52,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:42:52 BoogieIcfgContainer [2019-01-12 11:42:52,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 11:42:52,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 11:42:52,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 11:42:52,313 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 11:42:52,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 11:42:51" (1/3) ... [2019-01-12 11:42:52,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5940480c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 11:42:52, skipping insertion in model container [2019-01-12 11:42:52,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 11:42:51" (2/3) ... [2019-01-12 11:42:52,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5940480c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 11:42:52, skipping insertion in model container [2019-01-12 11:42:52,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:42:52" (3/3) ... [2019-01-12 11:42:52,317 INFO L112 eAbstractionObserver]: Analyzing ICFG odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-12 11:42:52,326 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 11:42:52,333 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 11:42:52,350 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 11:42:52,379 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 11:42:52,380 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 11:42:52,380 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 11:42:52,380 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 11:42:52,380 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 11:42:52,380 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 11:42:52,380 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 11:42:52,381 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 11:42:52,381 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 11:42:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-12 11:42:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-12 11:42:52,398 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 11:42:52,399 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-12 11:42:52,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 11:42:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 11:42:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2019-01-12 11:42:52,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 11:42:52,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 11:42:52,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:52,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 11:42:52,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 11:42:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 11:42:52,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 11:42:52,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 11:42:52,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 11:42:52,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 11:42:52,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 11:42:52,520 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-01-12 11:42:52,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 11:42:52,532 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-01-12 11:42:52,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 11:42:52,533 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-01-12 11:42:52,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 11:42:52,540 INFO L225 Difference]: With dead ends: 19 [2019-01-12 11:42:52,541 INFO L226 Difference]: Without dead ends: 7 [2019-01-12 11:42:52,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 11:42:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-12 11:42:52,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-12 11:42:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-12 11:42:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-01-12 11:42:52,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-01-12 11:42:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 11:42:52,580 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-01-12 11:42:52,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 11:42:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-01-12 11:42:52,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 11:42:52,585 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 11:42:52,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 11:42:52,585 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 11:42:52,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 11:42:52,585 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2019-01-12 11:42:52,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 11:42:52,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 11:42:52,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:52,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 11:42:52,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 11:42:54,772 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (div c_ULTIMATE.start_main_~x~0 2))) (and (or (<= c_ULTIMATE.start_main_~x~0 1) (<= .cse0 0)) (or (< 0 .cse0) (let ((.cse19 (* (- 2) .cse0)) (.cse13 (* 2 .cse0))) (let ((.cse3 (= c_ULTIMATE.start_main_~x~0 .cse13)) (.cse18 (* 4294967296 (div c_ULTIMATE.start_main_~x~0 4294967296))) (.cse4 (div (+ c_ULTIMATE.start_main_~x~0 .cse19) 4294967296)) (.cse2 (div (+ c_ULTIMATE.start_main_~x~0 .cse19 (- 2)) 4294967296))) (let ((.cse15 (* 4294967296 .cse2)) (.cse14 (* 4294967296 .cse4)) (.cse9 (< c_ULTIMATE.start_main_~x~0 .cse18)) (.cse10 (not .cse3))) (let ((.cse5 (and .cse9 .cse10)) (.cse16 (= (+ .cse13 .cse14) c_ULTIMATE.start_main_~x~0)) (.cse17 (= c_ULTIMATE.start_main_~x~0 (+ .cse15 .cse13 2))) (.cse1 (<= .cse18 c_ULTIMATE.start_main_~x~0))) (let ((.cse6 (or (not .cse17) .cse1 .cse3)) (.cse7 (or .cse5 (not .cse16)))) (and (or (<= 1 c_ULTIMATE.start_main_~x~0) (and (or .cse1 (< 0 .cse2) .cse3) (or (< 0 .cse4) .cse5)) (and .cse6 .cse7)) (let ((.cse11 (or .cse1 .cse3))) (or (and .cse6 (let ((.cse8 (= c_ULTIMATE.start_main_~x~0 (+ .cse15 .cse13 4294967298))) (.cse12 (= (+ .cse13 .cse14 4294967296) c_ULTIMATE.start_main_~x~0))) (or (and .cse8 .cse9 .cse10) (and .cse11 .cse12) (and (or (not .cse8) .cse1 .cse3) (or .cse5 (not .cse12))))) .cse7) (and .cse11 .cse16) (and .cse17 .cse9 .cse10)))))))))))) is different from false [2019-01-12 11:42:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 11:42:54,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 11:42:54,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 11:42:54,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 11:42:54,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 11:42:54,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2019-01-12 11:42:54,819 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-01-12 11:42:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 11:42:54,866 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-01-12 11:42:54,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 11:42:54,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-01-12 11:42:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 11:42:54,868 INFO L225 Difference]: With dead ends: 13 [2019-01-12 11:42:54,868 INFO L226 Difference]: Without dead ends: 9 [2019-01-12 11:42:54,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2019-01-12 11:42:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-12 11:42:54,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-12 11:42:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-12 11:42:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-12 11:42:54,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-01-12 11:42:54,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 11:42:54,883 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-12 11:42:54,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 11:42:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-12 11:42:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 11:42:54,884 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 11:42:54,884 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-01-12 11:42:54,885 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 11:42:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 11:42:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1286155561, now seen corresponding path program 1 times [2019-01-12 11:42:54,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 11:42:54,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 11:42:54,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:54,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 11:42:54,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 11:42:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 11:42:59,321 WARN L181 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 64 DAG size of output: 13 [2019-01-12 11:42:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 11:42:59,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 11:42:59,337 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-12 11:42:59,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 11:42:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 11:42:59,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 11:42:59,680 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 16 [2019-01-12 11:42:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 11:42:59,705 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-12 11:42:59,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-01-12 11:42:59,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 11:42:59,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 11:42:59,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-12 11:42:59,707 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 7 states. [2019-01-12 11:43:00,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 11:43:00,038 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-01-12 11:43:00,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 11:43:00,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2019-01-12 11:43:00,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 11:43:00,038 INFO L225 Difference]: With dead ends: 13 [2019-01-12 11:43:00,039 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 11:43:00,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-01-12 11:43:00,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 11:43:00,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 11:43:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 11:43:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 11:43:00,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-12 11:43:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 11:43:00,041 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 11:43:00,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 11:43:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 11:43:00,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 11:43:00,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 11:43:00,173 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 11:43:00,173 INFO L451 ceAbstractionStarter]: At program point L15(lines 9 16) the Hoare annotation is: true [2019-01-12 11:43:00,173 INFO L448 ceAbstractionStarter]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L444 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (not (= (let ((.cse0 (div ULTIMATE.start_main_~x~0 2))) (+ (* 2 .cse0) (* 4294967296 (div (+ ULTIMATE.start_main_~x~0 (* (- 2) .cse0)) 4294967296)))) ULTIMATE.start_main_~x~0)) [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point L11-4(lines 11 13) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-12 11:43:00,174 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-12 11:43:00,175 INFO L451 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-01-12 11:43:00,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 11:43:00 BoogieIcfgContainer [2019-01-12 11:43:00,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 11:43:00,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 11:43:00,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 11:43:00,188 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 11:43:00,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 11:42:52" (3/4) ... [2019-01-12 11:43:00,191 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 11:43:00,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 11:43:00,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 11:43:00,239 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 11:43:00,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 11:43:00,240 INFO L168 Benchmark]: Toolchain (without parser) took 8455.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -71.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-01-12 11:43:00,242 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 11:43:00,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.88 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 11:43:00,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.86 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:43:00,244 INFO L168 Benchmark]: Boogie Preprocessor took 18.77 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:43:00,244 INFO L168 Benchmark]: RCFGBuilder took 270.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-01-12 11:43:00,245 INFO L168 Benchmark]: TraceAbstraction took 7876.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2019-01-12 11:43:00,246 INFO L168 Benchmark]: Witness Printer took 52.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 11:43:00,251 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 202.88 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 29.86 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.77 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 270.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7876.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * Witness Printer took 52.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(2 * (x / 2) + 4294967296 * ((x + -2 * (x / 2)) / 4294967296) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 3 SDslu, 17 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 7 NumberOfFragments, 22 HoareAnnotationTreeSize, 3 FomulaSimplifications, 411 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 1 QuantifiedInterpolants, 7757 SizeOfPredicates, 3 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...