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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:41:08,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:41:08,662 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:41:08,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:41:08,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:41:08,676 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:41:08,677 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:41:08,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:41:08,681 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:41:08,682 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:41:08,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:41:08,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:41:08,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:41:08,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:41:08,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:41:08,688 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:41:08,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:41:08,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:41:08,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:41:08,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:41:08,696 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:41:08,697 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:41:08,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 12:41:08,709 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-18 12:41:08,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:41:08,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:41:08,732 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:41:08,732 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:41:08,732 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:41:08,732 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:41:08,733 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:41:08,733 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:41:08,733 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:41:08,733 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:41:08,733 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:41:08,734 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:41:08,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:41:08,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:41:08,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:41:08,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:41:08,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:41:08,736 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:41:08,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:41:08,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:41:08,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:41:08,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:41:08,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:41:08,739 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:41:08,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:41:08,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:41:08,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:41:08,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:41:08,741 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 12:41:08,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:41:08,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:41:08,741 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:41:08,742 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:41:08,742 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:41:08,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:41:08,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:41:08,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:41:08,851 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:41:08,852 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:41:08,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-18 12:41:09,218 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0145f1653/2f211c3dad674e72a308b201b38bd32f/FLAGdbd974406 [2018-09-18 12:41:09,383 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:41:09,384 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-18 12:41:09,390 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0145f1653/2f211c3dad674e72a308b201b38bd32f/FLAGdbd974406 [2018-09-18 12:41:09,411 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0145f1653/2f211c3dad674e72a308b201b38bd32f [2018-09-18 12:41:09,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:41:09,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:41:09,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:41:09,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:41:09,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:41:09,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d0561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09, skipping insertion in model container [2018-09-18 12:41:09,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,460 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:41:09,670 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:41:09,688 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:41:09,696 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:41:09,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09 WrapperNode [2018-09-18 12:41:09,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:41:09,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:41:09,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:41:09,713 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:41:09,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:41:09,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:41:09,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:41:09,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:41:09,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (1/1) ... [2018-09-18 12:41:09,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:41:09,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:41:09,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:41:09,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:41:09,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:41:09" (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 12:41:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:41:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:41:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:41:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:41:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:41:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:41:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 12:41:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 12:41:10,296 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:41:10,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:41:10 BoogieIcfgContainer [2018-09-18 12:41:10,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:41:10,298 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 12:41:10,298 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 12:41:10,298 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 12:41:10,299 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:41:10" (1/1) ... [2018-09-18 12:41:10,383 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 12:41:10,503 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-18 12:41:11,397 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 12:41:11,423 INFO L272 AbstractInterpreter]: Visited 34 different actions 808 times. Merged at 15 different actions 390 times. Widened at 3 different actions 61 times. Found 74 fixpoints after 6 different actions. Largest state had 12 variables. [2018-09-18 12:41:11,428 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 12:41:11,430 INFO L168 Benchmark]: Toolchain (without parser) took 2003.22 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -729.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:11,432 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-09-18 12:41:11,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.03 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 12:41:11,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.44 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 12:41:11,436 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 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 12:41:11,437 INFO L168 Benchmark]: RCFGBuilder took 533.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:11,438 INFO L168 Benchmark]: Abstract Interpretation took 1130.98 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: 74.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:41:11,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 279.03 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 25.44 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 25.30 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 533.19 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1130.98 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: 74.7 MB). Peak memory consumption was 74.7 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 TRUE i= 0) [L29] j = max-1 [L30] i=0 [L30] COND TRUE i