java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:11:54,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:11:54,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:11:54,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:11:54,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:11:54,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:11:54,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:11:54,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:11:54,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:11:54,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:11:54,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:11:54,784 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:11:54,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:11:54,785 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:11:54,785 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:11:54,785 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:11:54,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:11:54,785 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:11:54,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:11:54,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:11:54,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:11:54,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:11:54,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:11:54,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:11:54,790 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:11:54,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:11:54,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:11:54,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:11:54,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:11:54,792 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:11:54,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:11:54,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:11:54,792 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:11:54,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:11:54,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:11:54,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:11:54,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:11:54,843 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:11:54,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-11 16:11:54,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e130500b/6a49c05791364d5c9bebda3383bcccf5/FLAG5706a1989 [2019-09-11 16:11:55,348 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:11:55,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-11 16:11:55,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e130500b/6a49c05791364d5c9bebda3383bcccf5/FLAG5706a1989 [2019-09-11 16:11:55,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e130500b/6a49c05791364d5c9bebda3383bcccf5 [2019-09-11 16:11:55,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:11:55,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:11:55,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:11:55,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:11:55,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:11:55,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:55,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19027eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55, skipping insertion in model container [2019-09-11 16:11:55,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:55,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:11:55,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:11:55,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:11:55,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:11:55,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:11:55,957 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:11:55,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55 WrapperNode [2019-09-11 16:11:55,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:11:55,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:11:55,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:11:55,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:11:56,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (1/1) ... [2019-09-11 16:11:56,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:11:56,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:11:56,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:11:56,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:11:56,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:11:55" (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 [2019-09-11 16:11:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:11:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:11:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:11:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:11:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:11:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-11 16:11:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:11:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:11:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:11:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:11:56,263 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:11:56,264 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:11:56,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:11:56 BoogieIcfgContainer [2019-09-11 16:11:56,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:11:56,266 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:11:56,266 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:11:56,266 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:11:56,267 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:11:56" (1/1) ... [2019-09-11 16:11:56,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:11:56,356 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:11:57,486 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:11:57,506 INFO L272 AbstractInterpreter]: Visited 19 different actions 97 times. Merged at 4 different actions 24 times. Widened at 1 different actions 4 times. Performed 103 root evaluator evaluations with a maximum evaluation depth of 12. Performed 103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 7 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-11 16:11:57,506 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:11:57,511 INFO L168 Benchmark]: Toolchain (without parser) took 1775.15 ms. Allocated memory was 134.7 MB in the beginning and 254.3 MB in the end (delta: 119.5 MB). Free memory was 91.2 MB in the beginning and 217.7 MB in the end (delta: -126.5 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,513 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.08 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,517 INFO L168 Benchmark]: Boogie Preprocessor took 111.47 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 81.9 MB in the beginning and 177.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,518 INFO L168 Benchmark]: RCFGBuilder took 195.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 167.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,521 INFO L168 Benchmark]: Abstract Interpretation took 1240.32 ms. Allocated memory was 200.8 MB in the beginning and 254.3 MB in the end (delta: 53.5 MB). Free memory was 167.1 MB in the beginning and 217.7 MB in the end (delta: -50.7 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:11:57,531 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.08 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 81.9 MB in the beginning and 177.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 195.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 167.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1240.32 ms. Allocated memory was 200.8 MB in the beginning and 254.3 MB in the end (delta: 53.5 MB). Free memory was 167.1 MB in the beginning and 217.7 MB in the end (delta: -50.7 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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 x = 0; [L13] unsigned short N = __VERIFIER_nondet_ushort(); [L15] COND FALSE !(x < N) [L19] CALL __VERIFIER_assert(x % 2) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...