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_OCT-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 19:28:08,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 19:28:08,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 19:28:08,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 19:28:08,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 19:28:08,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 19:28:08,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 19:28:08,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 19:28:08,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 19:28:08,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 19:28:08,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 19:28:08,870 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 19:28:08,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 19:28:08,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 19:28:08,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 19:28:08,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 19:28:08,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 19:28:08,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 19:28:08,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 19:28:08,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 19:28:08,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 19:28:08,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 19:28:08,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 19:28:08,895 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-18 19:28:08,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 19:28:08,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 19:28:08,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 19:28:08,912 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 19:28:08,912 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 19:28:08,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 19:28:08,913 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-18 19:28:08,913 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 19:28:08,913 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-18 19:28:08,913 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 19:28:08,913 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 19:28:08,914 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 19:28:08,914 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 19:28:08,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 19:28:08,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 19:28:08,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 19:28:08,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 19:28:08,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 19:28:08,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 19:28:08,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 19:28:08,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 19:28:08,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 19:28:08,917 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 19:28:08,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 19:28:08,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 19:28:08,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 19:28:08,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 19:28:08,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 19:28:08,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 19:28:08,918 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 19:28:08,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 19:28:08,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 19:28:08,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 19:28:08,919 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 19:28:08,919 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 19:28:08,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 19:28:09,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 19:28:09,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 19:28:09,015 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 19:28:09,015 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 19:28:09,016 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-18 19:28:09,395 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b334ffe7/cf86730d1d93419281ca6308951a028a/FLAG1e87302ae [2018-09-18 19:28:09,544 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 19:28:09,545 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-09-18 19:28:09,552 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b334ffe7/cf86730d1d93419281ca6308951a028a/FLAG1e87302ae [2018-09-18 19:28:09,567 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b334ffe7/cf86730d1d93419281ca6308951a028a [2018-09-18 19:28:09,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 19:28:09,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 19:28:09,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:09,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 19:28:09,588 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 19:28:09,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600f763c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09, skipping insertion in model container [2018-09-18 19:28:09,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,607 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 19:28:09,804 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:09,823 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 19:28:09,835 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:09,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09 WrapperNode [2018-09-18 19:28:09,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:09,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:09,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 19:28:09,853 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 19:28:09,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:09,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 19:28:09,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 19:28:09,878 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 19:28:09,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (1/1) ... [2018-09-18 19:28:09,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 19:28:09,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 19:28:09,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 19:28:09,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 19:28:09,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:09" (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 19:28:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 19:28:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 19:28:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 19:28:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 19:28:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 19:28:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 19:28:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 19:28:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 19:28:10,458 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 19:28:10,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 07:28:10 BoogieIcfgContainer [2018-09-18 19:28:10,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 19:28:10,462 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 19:28:10,462 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 19:28:10,462 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 19:28:10,463 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 07:28:10" (1/1) ... [2018-09-18 19:28:10,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 19:28:10,583 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-18 19:28:11,159 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 19:28:11,181 INFO L272 AbstractInterpreter]: Visited 34 different actions 811 times. Merged at 15 different actions 393 times. Widened at 3 different actions 61 times. Found 76 fixpoints after 6 different actions. Largest state had 12 variables. [2018-09-18 19:28:11,184 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 19:28:11,185 INFO L168 Benchmark]: Toolchain (without parser) took 1607.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -735.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:11,189 INFO L168 Benchmark]: CDTParser took 0.21 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 19:28:11,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.70 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 19:28:11,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 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 19:28:11,191 INFO L168 Benchmark]: Boogie Preprocessor took 30.76 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 19:28:11,192 INFO L168 Benchmark]: RCFGBuilder took 548.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:11,194 INFO L168 Benchmark]: Abstract Interpretation took 722.23 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:11,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 270.70 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 24.84 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 30.76 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 548.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 722.23 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: 54.0 MB). Peak memory consumption was 54.0 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