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/loops/invert_string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 17:19:44,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 17:19:44,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 17:19:44,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 17:19:44,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 17:19:44,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 17:19:44,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 17:19:44,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 17:19:44,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 17:19:44,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 17:19:44,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 17:19:44,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 17:19:44,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 17:19:44,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 17:19:44,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 17:19:44,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 17:19:44,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 17:19:44,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 17:19:44,347 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 17:19:44,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 17:19:44,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 17:19:44,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 17:19:44,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-07 17:19:44,367 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 [2018-08-07 17:19:44,397 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 17:19:44,397 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 17:19:44,398 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 17:19:44,398 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 17:19:44,399 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 17:19:44,399 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 17:19:44,399 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-07 17:19:44,399 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 17:19:44,399 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-07 17:19:44,400 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-08-07 17:19:44,400 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 17:19:44,400 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 17:19:44,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 17:19:44,401 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 17:19:44,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 17:19:44,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 17:19:44,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 17:19:44,402 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 17:19:44,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 17:19:44,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 17:19:44,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 17:19:44,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 17:19:44,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 17:19:44,403 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 17:19:44,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 17:19:44,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 17:19:44,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 17:19:44,404 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 17:19:44,404 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-07 17:19:44,404 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 17:19:44,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 17:19:44,404 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 17:19:44,405 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 17:19:44,405 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 17:19:44,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 17:19:44,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 17:19:44,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 17:19:44,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 17:19:44,470 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 17:19:44,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-08-07 17:19:44,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52e59b3/ca6de338fbfa43a18d7db20f01387043/FLAGf7b94ca9d [2018-08-07 17:19:44,970 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 17:19:44,971 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-08-07 17:19:44,979 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52e59b3/ca6de338fbfa43a18d7db20f01387043/FLAGf7b94ca9d [2018-08-07 17:19:44,996 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b52e59b3/ca6de338fbfa43a18d7db20f01387043 [2018-08-07 17:19:45,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 17:19:45,010 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 17:19:45,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 17:19:45,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 17:19:45,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 17:19:45,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:19:44" (1/1) ... [2018-08-07 17:19:45,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f591c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45, skipping insertion in model container [2018-08-07 17:19:45,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:19:44" (1/1) ... [2018-08-07 17:19:45,190 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 17:19:45,240 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 17:19:45,257 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 17:19:45,265 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 17:19:45,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45 WrapperNode [2018-08-07 17:19:45,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 17:19:45,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 17:19:45,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 17:19:45,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 17:19:45,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 17:19:45,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 17:19:45,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 17:19:45,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 17:19:45,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 17:19:45,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 17:19:45,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 17:19:45,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 17:19:45,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:19:45" (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 [2018-08-07 17:19:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 17:19:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 17:19:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_invert_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 17:19:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_invert_string_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 17:19:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 17:19:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 17:19:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 17:19:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 17:19:45,807 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 17:19:45,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:19:45 BoogieIcfgContainer [2018-08-07 17:19:45,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 17:19:45,808 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-08-07 17:19:45,809 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-08-07 17:19:45,809 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-08-07 17:19:45,810 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:19:45" (1/1) ... [2018-08-07 17:19:45,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-07 17:19:45,950 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-07 17:19:46,182 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-07 17:19:46,201 INFO L272 AbstractInterpreter]: Visited 34 different actions 258 times. Merged at 15 different actions 120 times. Widened at 3 different actions 12 times. Found 27 fixpoints after 6 different actions. Largest state had 12 variables. [2018-08-07 17:19:46,204 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-08-07 17:19:46,205 INFO L168 Benchmark]: Toolchain (without parser) took 1196.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -783.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 17:19:46,208 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 17:19:46,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.92 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. [2018-08-07 17:19:46,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.18 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. [2018-08-07 17:19:46,211 INFO L168 Benchmark]: Boogie Preprocessor took 25.71 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. [2018-08-07 17:19:46,211 INFO L168 Benchmark]: RCFGBuilder took 474.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-08-07 17:19:46,216 INFO L168 Benchmark]: Abstract Interpretation took 396.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2018-08-07 17:19:46,221 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.92 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 26.18 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 25.71 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 474.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 396.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L12] unsigned int max = 5; [L13] char str1[max], str2[max]; [L14] int i, j; [L16] i=0 [L16] COND FALSE !(i= 0) [L29] j = max-1 [L30] i=0 [L30] COND TRUE i