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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 23:27:34,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 23:27:34,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 23:27:34,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 23:27:34,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 23:27:34,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 23:27:34,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 23:27:34,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 23:27:34,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 23:27:34,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 23:27:34,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 23:27:34,147 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 23:27:34,148 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 23:27:34,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 23:27:34,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 23:27:34,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 23:27:34,156 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 23:27:34,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 23:27:34,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 23:27:34,165 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 23:27:34,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 23:27:34,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 23:27:34,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 23:27:34,177 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-18 23:27:34,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 23:27:34,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 23:27:34,194 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 23:27:34,194 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 23:27:34,194 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 23:27:34,194 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 23:27:34,195 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 23:27:34,195 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-18 23:27:34,195 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 23:27:34,195 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 23:27:34,195 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 23:27:34,196 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 23:27:34,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 23:27:34,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 23:27:34,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 23:27:34,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 23:27:34,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 23:27:34,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 23:27:34,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 23:27:34,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 23:27:34,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 23:27:34,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 23:27:34,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 23:27:34,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 23:27:34,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 23:27:34,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 23:27:34,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 23:27:34,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 23:27:34,200 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 23:27:34,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 23:27:34,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 23:27:34,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 23:27:34,200 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 23:27:34,201 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 23:27:34,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 23:27:34,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 23:27:34,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 23:27:34,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 23:27:34,291 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 23:27:34,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-09-18 23:27:34,643 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0538a5b62/619ecbd004f44d31b0208c96e94d9982/FLAGebe1389c2 [2018-09-18 23:27:34,835 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 23:27:34,836 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/string_concat-noarr_true-unreach-call_true-termination.i [2018-09-18 23:27:34,843 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0538a5b62/619ecbd004f44d31b0208c96e94d9982/FLAGebe1389c2 [2018-09-18 23:27:34,863 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0538a5b62/619ecbd004f44d31b0208c96e94d9982 [2018-09-18 23:27:34,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 23:27:34,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 23:27:34,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 23:27:34,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 23:27:34,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 23:27:34,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:34" (1/1) ... [2018-09-18 23:27:34,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1694e6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:34, skipping insertion in model container [2018-09-18 23:27:34,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:34" (1/1) ... [2018-09-18 23:27:34,909 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 23:27:35,119 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 23:27:35,137 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 23:27:35,144 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 23:27:35,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35 WrapperNode [2018-09-18 23:27:35,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 23:27:35,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 23:27:35,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 23:27:35,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 23:27:35,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 23:27:35,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 23:27:35,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 23:27:35,192 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 23:27:35,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 23:27:35,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 23:27:35,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 23:27:35,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 23:27:35,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:35" (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 23:27:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 23:27:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 23:27:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 23:27:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 23:27:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 23:27:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 23:27:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 23:27:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 23:27:35,585 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 23:27:35,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:35 BoogieIcfgContainer [2018-09-18 23:27:35,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 23:27:35,586 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 23:27:35,586 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 23:27:35,587 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 23:27:35,588 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:35" (1/1) ... [2018-09-18 23:27:35,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 23:27:35,964 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 23:27:35,986 INFO L272 AbstractInterpreter]: Visited 32 different actions 253 times. Merged at 15 different actions 111 times. Widened at 3 different actions 11 times. Found 27 fixpoints after 7 different actions. Largest state had 8 variables. [2018-09-18 23:27:35,990 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 23:27:35,992 INFO L168 Benchmark]: Toolchain (without parser) took 1113.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -768.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 23:27:35,995 INFO L168 Benchmark]: CDTParser took 0.25 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 23:27:35,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.17 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 23:27:35,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.17 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 23:27:35,998 INFO L168 Benchmark]: Boogie Preprocessor took 26.56 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 23:27:35,998 INFO L168 Benchmark]: RCFGBuilder took 367.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-18 23:27:36,000 INFO L168 Benchmark]: Abstract Interpretation took 404.39 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-09-18 23:27:36,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 283.17 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 25.17 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 26.56 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 367.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 404.39 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: 18.7 MB). Peak memory consumption was 18.7 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: [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_INTCON-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_23-27-36-027.csv Received shutdown request...