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/overflow_true-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 19:28:22,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 19:28:22,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 19:28:22,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 19:28:22,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 19:28:22,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 19:28:22,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 19:28:22,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 19:28:22,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 19:28:22,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 19:28:22,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 19:28:22,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 19:28:22,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 19:28:22,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 19:28:22,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 19:28:22,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 19:28:22,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 19:28:22,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 19:28:22,689 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 19:28:22,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 19:28:22,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 19:28:22,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 19:28:22,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 19:28:22,708 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 19:28:22,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 19:28:22,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 19:28:22,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 19:28:22,747 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 19:28:22,747 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 19:28:22,748 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 19:28:22,748 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-18 19:28:22,748 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 19:28:22,748 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-18 19:28:22,748 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 19:28:22,749 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 19:28:22,749 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 19:28:22,749 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 19:28:22,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 19:28:22,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 19:28:22,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 19:28:22,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 19:28:22,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 19:28:22,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 19:28:22,754 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 19:28:22,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 19:28:22,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 19:28:22,755 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 19:28:22,755 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 19:28:22,756 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 19:28:22,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 19:28:22,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 19:28:22,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 19:28:22,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 19:28:22,757 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-18 19:28:22,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 19:28:22,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 19:28:22,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 19:28:22,758 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 19:28:22,758 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 19:28:22,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 19:28:22,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 19:28:22,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 19:28:22,856 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 19:28:22,856 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 19:28:22,857 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/overflow_true-unreach-call1.i [2018-09-18 19:28:23,226 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc016477/805ac27d0f6a487681ae5803e28a5465/FLAGdb75b1a69 [2018-09-18 19:28:23,401 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 19:28:23,403 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_true-unreach-call1.i [2018-09-18 19:28:23,411 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc016477/805ac27d0f6a487681ae5803e28a5465/FLAGdb75b1a69 [2018-09-18 19:28:23,428 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc016477/805ac27d0f6a487681ae5803e28a5465 [2018-09-18 19:28:23,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 19:28:23,444 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 19:28:23,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:23,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 19:28:23,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 19:28:23,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea8921e 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 19:28:23,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 07:28:23" (1/1) ... [2018-09-18 19:28:23,471 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 19:28:23,662 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:23,681 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 19:28:23,685 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 19:28:23,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 07:28:23 WrapperNode [2018-09-18 19:28:23,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 19:28:23,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:23,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 19:28:23,700 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 19:28:23,710 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 19:28:23,716 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 19:28:23,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 19:28:23,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 19:28:23,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 19:28:23,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 19:28:23,734 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 19:28:23,734 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 19:28:23,735 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 19:28:23,735 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 19:28:23,737 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 19:28:23,742 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 19:28:23,743 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 19:28:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 19:28:23,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 19:28:23,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 19:28:23,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 19:28:23,747 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 19:28:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 19:28:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 19:28:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 19:28:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 19:28:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 19:28:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 19:28:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 19:28:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 19:28:24,086 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 19:28:24,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 07:28:24 BoogieIcfgContainer [2018-09-18 19:28:24,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 19:28:24,088 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-18 19:28:24,088 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-18 19:28:24,089 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-18 19:28:24,090 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 19:28:24,141 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-18 19:28:24,217 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-18 19:28:24,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-18 19:28:24,406 INFO L272 AbstractInterpreter]: Visited 20 different actions 118 times. Merged at 5 different actions 35 times. Widened at 1 different actions 3 times. Found 8 fixpoints after 2 different actions. Largest state had 2 variables. [2018-09-18 19:28:24,408 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-18 19:28:24,409 INFO L168 Benchmark]: Toolchain (without parser) took 968.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -758.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 19:28:24,412 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 19:28:24,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.46 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 19:28:24,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.25 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 19:28:24,414 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 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 19:28:24,415 INFO L168 Benchmark]: RCFGBuilder took 342.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:24,416 INFO L168 Benchmark]: Abstract Interpretation took 320.31 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: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2018-09-18 19:28:24,422 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 253.46 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 23.25 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 22.28 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 342.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 320.31 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: 30.2 MB). Peak memory consumption was 30.2 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 = 10; [L10] COND FALSE !(x >= 10) [L13] 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/overflow_true-unreach-call1.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-09-18_19-28-24-441.csv Received shutdown request...