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-invgen/string_concat-noarr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 17:20:09,414 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 17:20:09,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 17:20:09,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 17:20:09,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 17:20:09,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 17:20:09,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 17:20:09,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 17:20:09,434 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 17:20:09,435 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 17:20:09,436 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 17:20:09,436 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 17:20:09,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 17:20:09,438 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 17:20:09,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 17:20:09,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 17:20:09,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 17:20:09,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 17:20:09,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 17:20:09,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 17:20:09,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 17:20:09,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 17:20:09,452 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-07 17:20:09,462 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 17:20:09,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 17:20:09,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 17:20:09,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 17:20:09,484 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 17:20:09,484 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 17:20:09,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 17:20:09,485 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-07 17:20:09,485 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 17:20:09,485 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-07 17:20:09,485 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-08-07 17:20:09,486 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 17:20:09,486 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 17:20:09,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 17:20:09,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 17:20:09,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 17:20:09,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 17:20:09,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 17:20:09,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 17:20:09,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 17:20:09,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 17:20:09,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 17:20:09,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 17:20:09,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 17:20:09,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 17:20:09,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 17:20:09,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 17:20:09,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 17:20:09,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 17:20:09,490 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-07 17:20:09,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 17:20:09,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 17:20:09,490 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 17:20:09,490 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 17:20:09,491 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 17:20:09,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 17:20:09,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 17:20:09,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 17:20:09,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 17:20:09,584 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 17:20:09,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-08-07 17:20:09,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8a514a/96934eee48f24ec4a5db66f7f3c70dc6/FLAG3e622d65d [2018-08-07 17:20:10,101 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 17:20:10,102 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-08-07 17:20:10,112 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8a514a/96934eee48f24ec4a5db66f7f3c70dc6/FLAG3e622d65d [2018-08-07 17:20:10,146 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8a514a/96934eee48f24ec4a5db66f7f3c70dc6 [2018-08-07 17:20:10,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 17:20:10,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 17:20:10,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 17:20:10,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 17:20:10,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 17:20:10,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b63e7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10, skipping insertion in model container [2018-08-07 17:20:10,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,405 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 17:20:10,446 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 17:20:10,462 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 17:20:10,467 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 17:20:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10 WrapperNode [2018-08-07 17:20:10,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 17:20:10,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 17:20:10,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 17:20:10,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 17:20:10,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 17:20:10,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 17:20:10,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 17:20:10,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 17:20:10,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 17:20:10,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 17:20:10,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 17:20:10,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 17:20:10,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:20:10" (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 17:20:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 17:20:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 17:20:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 17:20:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 17:20:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 17:20:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 17:20:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_string_concat_noarr_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 17:20:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_string_concat_noarr_true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-07 17:20:10,925 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 17:20:10,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:20:10 BoogieIcfgContainer [2018-08-07 17:20:10,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 17:20:10,927 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-08-07 17:20:10,927 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-08-07 17:20:10,928 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-08-07 17:20:10,928 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:20:10" (1/1) ... [2018-08-07 17:20:10,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-07 17:20:11,285 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-07 17:20:11,304 INFO L272 AbstractInterpreter]: Visited 32 different actions 271 times. Merged at 15 different actions 125 times. Widened at 3 different actions 11 times. Found 22 fixpoints after 5 different actions. Largest state had 8 variables. [2018-08-07 17:20:11,307 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-08-07 17:20:11,308 INFO L168 Benchmark]: Toolchain (without parser) took 1147.51 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -725.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 17:20:11,310 INFO L168 Benchmark]: CDTParser took 0.72 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 17:20:11,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.96 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 17:20:11,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.43 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 17:20:11,313 INFO L168 Benchmark]: Boogie Preprocessor took 20.09 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 17:20:11,314 INFO L168 Benchmark]: RCFGBuilder took 392.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-08-07 17:20:11,316 INFO L168 Benchmark]: Abstract Interpretation took 379.60 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2018-08-07 17:20:11,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 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 316.96 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 31.43 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 20.09 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 392.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 379.60 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: 34.1 MB). Peak memory consumption was 34.1 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: [L11] int i, j; [L13] i = 0 [L15] COND FALSE !(__VERIFIER_nondet_int() && i < 1000000) [L18] COND FALSE !(i >= 100) [L19] j = 0 [L21] COND FALSE !(__VERIFIER_nondet_int() && i < 1000000) [L25] COND FALSE !(j >= 100) [L26] CALL __VERIFIER_assert( i < 200 ) [L4] COND TRUE !(cond) [L5] __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/string_concat-noarr_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-08-07_17-20-11-337.csv Received shutdown request...