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/loop-acceleration/nested_true-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 19:28:22,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 19:28:22,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 19:28:22,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 19:28:22,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 19:28:22,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 19:28:22,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 19:28:22,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 19:28:22,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 19:28:22,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 19:28:22,672 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 19:28:22,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 19:28:22,674 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 19:28:22,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 19:28:22,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 19:28:22,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 19:28:22,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 19:28:22,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 19:28:22,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 19:28:22,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 19:28:22,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 19:28:22,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 19:28:22,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 19:28:22,698 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 19:28:22,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 19:28:22,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 19:28:22,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 19:28:22,716 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 19:28:22,716 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 19:28:22,716 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 19:28:22,716 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 19:28:22,717 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 19:28:22,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 19:28:22,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 19:28:22,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 19:28:22,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 19:28:22,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 19:28:22,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 19:28:22,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 19:28:22,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 19:28:22,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 19:28:22,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 19:28:22,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 19:28:22,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 19:28:22,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 19:28:22,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 19:28:22,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 19:28:22,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 19:28:22,723 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 19:28:22,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 19:28:22,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 19:28:22,724 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 19:28:22,724 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 19:28:22,724 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 19:28:22,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 19:28:22,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 19:28:22,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 19:28:22,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 19:28:22,819 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 19:28:22,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/nested_true-unreach-call1.i [2018-09-18 19:28:23,200 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff888bc11/90bf877a9aef456393f9eac322d9b1ce/FLAG4bed91de5 [2018-09-18 19:28:23,390 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 19:28:23,391 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_true-unreach-call1.i [2018-09-18 19:28:23,398 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff888bc11/90bf877a9aef456393f9eac322d9b1ce/FLAG4bed91de5 [2018-09-18 19:28:23,415 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff888bc11/90bf877a9aef456393f9eac322d9b1ce [2018-09-18 19:28:23,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 19:28:23,430 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 19:28:23,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:23,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 19:28:23,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 19:28:23,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529761f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23, skipping insertion in model container [2018-09-18 19:28:23,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,457 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 19:28:23,667 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:23,688 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 19:28:23,695 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:23,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23 WrapperNode [2018-09-18 19:28:23,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:23,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:23,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 19:28:23,716 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 19:28:23,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:23,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 19:28:23,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 19:28:23,741 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 19:28:23,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 19:28:23,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 19:28:23,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 19:28:23,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 19:28:23,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23" (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 19:28:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 19:28:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 19:28:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 19:28:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 19:28:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 19:28:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 19:28:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 19:28:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 19:28:24,109 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 19:28:24,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 07:28:24 BoogieIcfgContainer [2018-09-18 19:28:24,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 19:28:24,111 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 19:28:24,111 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 19:28:24,112 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 19:28:24,113 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 07:28:24" (1/1) ... [2018-09-18 19:28:24,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 19:28:24,254 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-18 19:28:24,864 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 19:28:24,887 INFO L272 AbstractInterpreter]: Visited 25 different actions 557 times. Merged at 9 different actions 224 times. Widened at 3 different actions 48 times. Found 58 fixpoints after 4 different actions. Largest state had 5 variables. [2018-09-18 19:28:24,892 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 19:28:24,893 INFO L168 Benchmark]: Toolchain (without parser) took 1465.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -715.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:24,896 INFO L168 Benchmark]: CDTParser took 0.22 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 19:28:24,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.51 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 19:28:24,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.10 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 19:28:24,901 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 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 19:28:24,903 INFO L168 Benchmark]: RCFGBuilder took 344.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:24,905 INFO L168 Benchmark]: Abstract Interpretation took 780.77 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:24,914 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 283.51 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 25.10 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 24.58 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 344.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 780.77 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: 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: [L9] unsigned int x = 0; [L10] unsigned int y = 0; [L11] COND FALSE !(x < 0x0fffffff) [L18] CALL __VERIFIER_assert(x % 2) [L3] COND TRUE !(cond) [L4] __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/nested_true-unreach-call1.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_19-28-24-932.csv Received shutdown request...