java -Xmx8000000000 -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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/mcmillan2006_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 16:41:07,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 16:41:07,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 16:41:07,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 16:41:07,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 16:41:07,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 16:41:07,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 16:41:07,374 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 16:41:07,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 16:41:07,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 16:41:07,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 16:41:07,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 16:41:07,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 16:41:07,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 16:41:07,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 16:41:07,394 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 16:41:07,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 16:41:07,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 16:41:07,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 16:41:07,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 16:41:07,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 16:41:07,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 16:41:07,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 16:41:07,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 16:41:07,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 16:41:07,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 16:41:07,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 16:41:07,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 16:41:07,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 16:41:07,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 16:41:07,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 16:41:07,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-18 16:41:07,427 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-18 16:41:07,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 16:41:07,456 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 16:41:07,457 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 16:41:07,457 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 16:41:07,457 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 16:41:07,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 16:41:07,458 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-18 16:41:07,458 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 16:41:07,458 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-18 16:41:07,459 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-18 16:41:07,459 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 16:41:07,459 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 16:41:07,459 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 16:41:07,461 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 16:41:07,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 16:41:07,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 16:41:07,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 16:41:07,462 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 16:41:07,462 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 16:41:07,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 16:41:07,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 16:41:07,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 16:41:07,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 16:41:07,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 16:41:07,465 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 16:41:07,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 16:41:07,465 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 16:41:07,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 16:41:07,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 16:41:07,466 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 16:41:07,466 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 16:41:07,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 16:41:07,466 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 16:41:07,466 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 16:41:07,467 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 16:41:07,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 16:41:07,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 16:41:07,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 16:41:07,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 16:41:07,558 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 16:41:07,559 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/mcmillan2006_true-unreach-call_true-termination.c.i [2018-09-18 16:41:07,923 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884c18ec3/09cd6726e5ff4c3c9541fe0f3e9f8d55/FLAGf2ce1a3d0 [2018-09-18 16:41:08,109 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 16:41:08,110 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/mcmillan2006_true-unreach-call_true-termination.c.i [2018-09-18 16:41:08,116 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884c18ec3/09cd6726e5ff4c3c9541fe0f3e9f8d55/FLAGf2ce1a3d0 [2018-09-18 16:41:08,135 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884c18ec3/09cd6726e5ff4c3c9541fe0f3e9f8d55 [2018-09-18 16:41:08,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 16:41:08,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 16:41:08,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 16:41:08,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 16:41:08,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 16:41:08,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b8402d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08, skipping insertion in model container [2018-09-18 16:41:08,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,177 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 16:41:08,383 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 16:41:08,407 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 16:41:08,413 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 16:41:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08 WrapperNode [2018-09-18 16:41:08,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 16:41:08,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 16:41:08,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 16:41:08,430 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 16:41:08,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 16:41:08,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 16:41:08,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 16:41:08,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 16:41:08,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (1/1) ... [2018-09-18 16:41:08,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 16:41:08,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 16:41:08,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 16:41:08,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 16:41:08,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:41:08" (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 [2018-09-18 16:41:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 16:41:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 16:41:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 16:41:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 16:41:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 16:41:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 16:41:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 16:41:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 16:41:09,045 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 16:41:09,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:41:09 BoogieIcfgContainer [2018-09-18 16:41:09,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 16:41:09,047 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 16:41:09,047 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 16:41:09,047 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 16:41:09,048 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:41:09" (1/1) ... [2018-09-18 16:41:09,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 16:41:09,326 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 16:41:09,346 INFO L272 AbstractInterpreter]: Visited 32 different actions 187 times. Merged at 11 different actions 71 times. Widened at 3 different actions 5 times. Found 16 fixpoints after 3 different actions. Largest state had 36 variables. [2018-09-18 16:41:09,348 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 16:41:09,349 INFO L168 Benchmark]: Toolchain (without parser) took 1200.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 16:41:09,352 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 16:41:09,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 16:41:09,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 16:41:09,355 INFO L168 Benchmark]: Boogie Preprocessor took 31.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 16:41:09,355 INFO L168 Benchmark]: RCFGBuilder took 537.42 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-18 16:41:09,357 INFO L168 Benchmark]: Abstract Interpretation took 301.48 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2018-09-18 16:41:09,362 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 537.42 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 301.48 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L13] int n = __VERIFIER_nondet_int(); [L14] COND FALSE !(!(0 <= n && n <= 1000)) [L15] EXPR, FCALL malloc(n * sizeof(int)) [L15] int *x = malloc(n * sizeof(int)); [L16] int i = 0; [L16] COND TRUE i < n [L16] CALL x[i] = 0 [L16] RET x[i] = 0 [L16] i++ [L16] i++ [L16] COND FALSE !(i < n) [L17] int i = 0; [L17] COND TRUE i < n [L17] CALL, EXPR x[i] [L17] RET, EXPR x[i] [L17] CALL __VERIFIER_assert(x[i] == 0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/mcmillan2006_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_16-41-09-374.csv Received shutdown request...