./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 15:47:09,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 15:47:09,995 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 15:47:10,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 15:47:10,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 15:47:10,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 15:47:10,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 15:47:10,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 15:47:10,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 15:47:10,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 15:47:10,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 15:47:10,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 15:47:10,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 15:47:10,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 15:47:10,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 15:47:10,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 15:47:10,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 15:47:10,026 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 15:47:10,028 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 15:47:10,030 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 15:47:10,031 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 15:47:10,033 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 15:47:10,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 15:47:10,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 15:47:10,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 15:47:10,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 15:47:10,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 15:47:10,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 15:47:10,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 15:47:10,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 15:47:10,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 15:47:10,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 15:47:10,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 15:47:10,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 15:47:10,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 15:47:10,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 15:47:10,046 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 15:47:10,070 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 15:47:10,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 15:47:10,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 15:47:10,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 15:47:10,072 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 15:47:10,072 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 15:47:10,072 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 15:47:10,072 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 15:47:10,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 15:47:10,074 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 15:47:10,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 15:47:10,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 15:47:10,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 15:47:10,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 15:47:10,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 15:47:10,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 15:47:10,075 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 15:47:10,075 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 15:47:10,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 15:47:10,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 15:47:10,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 15:47:10,076 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 -> 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 [2019-01-14 15:47:10,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 15:47:10,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 15:47:10,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 15:47:10,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 15:47:10,148 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 15:47:10,149 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2019-01-14 15:47:10,207 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c41f0ad3/5ee155822e654367bea1dc4e3a0e4817/FLAG418d591a0 [2019-01-14 15:47:10,756 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 15:47:10,756 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2019-01-14 15:47:10,772 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c41f0ad3/5ee155822e654367bea1dc4e3a0e4817/FLAG418d591a0 [2019-01-14 15:47:11,033 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c41f0ad3/5ee155822e654367bea1dc4e3a0e4817 [2019-01-14 15:47:11,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 15:47:11,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 15:47:11,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 15:47:11,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 15:47:11,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 15:47:11,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b2be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11, skipping insertion in model container [2019-01-14 15:47:11,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 15:47:11,104 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 15:47:11,570 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:47:11,578 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 15:47:11,624 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:47:11,839 INFO L195 MainTranslator]: Completed translation [2019-01-14 15:47:11,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11 WrapperNode [2019-01-14 15:47:11,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 15:47:11,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 15:47:11,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 15:47:11,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 15:47:11,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 15:47:11,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 15:47:11,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 15:47:11,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 15:47:11,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (1/1) ... [2019-01-14 15:47:11,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 15:47:11,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 15:47:11,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 15:47:11,927 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 15:47:11,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (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 15:47:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 15:47:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 15:47:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 15:47:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 15:47:12,485 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 15:47:12,486 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-14 15:47:12,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:12 BoogieIcfgContainer [2019-01-14 15:47:12,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 15:47:12,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 15:47:12,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 15:47:12,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 15:47:12,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 03:47:11" (1/3) ... [2019-01-14 15:47:12,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f31bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:47:12, skipping insertion in model container [2019-01-14 15:47:12,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:11" (2/3) ... [2019-01-14 15:47:12,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f31bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:47:12, skipping insertion in model container [2019-01-14 15:47:12,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:12" (3/3) ... [2019-01-14 15:47:12,495 INFO L112 eAbstractionObserver]: Analyzing ICFG alt_test_true-termination.c_false-unreach-call.i [2019-01-14 15:47:12,504 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 15:47:12,511 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-14 15:47:12,526 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-14 15:47:12,557 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 15:47:12,558 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 15:47:12,558 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 15:47:12,558 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 15:47:12,558 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 15:47:12,559 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 15:47:12,559 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 15:47:12,559 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 15:47:12,559 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 15:47:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-01-14 15:47:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-14 15:47:12,580 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:12,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:12,584 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:12,589 INFO L82 PathProgramCache]: Analyzing trace with hash 119352108, now seen corresponding path program 1 times [2019-01-14 15:47:12,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:12,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:12,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:12,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:12,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:12,741 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 15:47:12,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:12,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:47:12,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:47:12,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:47:12,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:12,762 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2019-01-14 15:47:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:12,852 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2019-01-14 15:47:12,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:47:12,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-14 15:47:12,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:12,862 INFO L225 Difference]: With dead ends: 39 [2019-01-14 15:47:12,863 INFO L226 Difference]: Without dead ends: 20 [2019-01-14 15:47:12,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-14 15:47:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-01-14 15:47:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-14 15:47:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-01-14 15:47:12,896 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 8 [2019-01-14 15:47:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:12,897 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-01-14 15:47:12,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:47:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-01-14 15:47:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-14 15:47:12,898 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:12,898 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:12,898 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:12,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash 176610410, now seen corresponding path program 1 times [2019-01-14 15:47:12,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:12,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:12,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:12,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:12,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:12,990 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 15:47:12,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:12,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:47:12,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:47:12,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:47:12,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:12,993 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 3 states. [2019-01-14 15:47:13,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:13,025 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-14 15:47:13,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:47:13,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-14 15:47:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:13,026 INFO L225 Difference]: With dead ends: 25 [2019-01-14 15:47:13,026 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 15:47:13,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:13,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 15:47:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-14 15:47:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 15:47:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-01-14 15:47:13,032 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2019-01-14 15:47:13,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:13,032 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-01-14 15:47:13,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:47:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-01-14 15:47:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 15:47:13,033 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:13,033 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:13,034 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash -262109109, now seen corresponding path program 1 times [2019-01-14 15:47:13,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:13,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:13,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:13,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:13,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:13,325 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 15:47:13,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:13,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 15:47:13,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 15:47:13,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 15:47:13,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 15:47:13,329 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 5 states. [2019-01-14 15:47:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:13,593 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-01-14 15:47:13,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 15:47:13,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-14 15:47:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:13,595 INFO L225 Difference]: With dead ends: 19 [2019-01-14 15:47:13,595 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 15:47:13,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 15:47:13,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 15:47:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-14 15:47:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 15:47:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-01-14 15:47:13,601 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-01-14 15:47:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:13,601 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-01-14 15:47:13,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 15:47:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-01-14 15:47:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-14 15:47:13,602 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:13,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:13,604 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:13,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:13,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1912419270, now seen corresponding path program 1 times [2019-01-14 15:47:13,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:13,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:13,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:13,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:13,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 15:47:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 15:47:13,691 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 15:47:13,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 03:47:13 BoogieIcfgContainer [2019-01-14 15:47:13,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 15:47:13,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 15:47:13,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 15:47:13,732 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 15:47:13,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:12" (3/4) ... [2019-01-14 15:47:13,735 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 15:47:13,789 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 15:47:13,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 15:47:13,790 INFO L168 Benchmark]: Toolchain (without parser) took 2753.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -77.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,792 INFO L168 Benchmark]: CDTParser took 0.17 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 15:47:13,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:47:13,794 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,795 INFO L168 Benchmark]: RCFGBuilder took 560.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,796 INFO L168 Benchmark]: TraceAbstraction took 1243.35 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,797 INFO L168 Benchmark]: Witness Printer took 57.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:13,802 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 801.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 560.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1243.35 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1606] int globalState = 0; VAL [globalState=0] [L1619] void *retVal = malloc(size); VAL [globalState=0] [L1620] COND TRUE retVal != ((void *)0) [L1621] globalState=1 VAL [globalState=1] [L1622] return retVal; VAL [globalState=1] [L1612] int *a = (int*) l_malloc(sizeof(int)); [L1629] COND TRUE ptr!=((void *)0) VAL [globalState=1] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [globalState=1] [L1630] globalState = 0 [L1629] COND TRUE ptr!=((void *)0) VAL [globalState=0] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [globalState=0] [L1601] __VERIFIER_error() VAL [globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 2 error locations. UNSAFE Result, 1.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 SDtfs, 33 SDslu, 21 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 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 incorrect! Received shutdown request...