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/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:53,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:53,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:53,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:53,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:53,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:53,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:53,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:53,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:53,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:53,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:53,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:53,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:53,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:53,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:53,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:53,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:53,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:28:53,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:28:53,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:28:53,549 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 [2019-09-16 17:28:53,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:53,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:53,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:53,584 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:53,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:53,585 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:53,586 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:53,586 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:53,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:53,587 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:53,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:53,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:53,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:53,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:53,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:53,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:53,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:53,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:53,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:53,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:53,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:53,592 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:53,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:53,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:53,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:53,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:53,593 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:53,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:53,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:53,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:53,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:53,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:53,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:53,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:53,675 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:53,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-16 17:28:53,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8365aee/6a65a917fe384e5f9ff9b4109b78e2f5/FLAG3d36a9bfd [2019-09-16 17:28:54,196 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:54,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-16 17:28:54,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8365aee/6a65a917fe384e5f9ff9b4109b78e2f5/FLAG3d36a9bfd [2019-09-16 17:28:54,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8365aee/6a65a917fe384e5f9ff9b4109b78e2f5 [2019-09-16 17:28:54,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:54,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:54,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:54,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:54,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:54,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb72da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54, skipping insertion in model container [2019-09-16 17:28:54,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,599 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:54,619 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:54,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:54,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:54,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:54,824 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:54,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54 WrapperNode [2019-09-16 17:28:54,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:54,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:54,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:54,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:54,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (1/1) ... [2019-09-16 17:28:54,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:54,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:54,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:54,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:54,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:54" (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 [2019-09-16 17:28:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:28:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-09-16 17:28:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-09-16 17:28:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:55,165 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:55,166 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:28:55,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:55 BoogieIcfgContainer [2019-09-16 17:28:55,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:55,175 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:55,176 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:55,176 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:55,177 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:55" (1/1) ... [2019-09-16 17:28:55,228 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:55,369 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:55,389 INFO L272 AbstractInterpreter]: Visited 26 different actions 26 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Never found a fixpoint. Largest state had 5 variables. [2019-09-16 17:28:55,389 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:55,392 INFO L168 Benchmark]: Toolchain (without parser) took 807.92 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.5 MB in the beginning and 158.7 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:55,393 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:55,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.54 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 78.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:55,395 INFO L168 Benchmark]: Boogie Preprocessor took 115.16 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 78.1 MB in the beginning and 177.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:55,396 INFO L168 Benchmark]: RCFGBuilder took 226.06 ms. Allocated memory is still 198.7 MB. Free memory was 177.0 MB in the beginning and 165.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:55,397 INFO L168 Benchmark]: Abstract Interpretation took 213.89 ms. Allocated memory is still 198.7 MB. Free memory was 165.1 MB in the beginning and 158.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:55,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 105.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.54 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 78.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.16 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 78.1 MB in the beginning and 177.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.06 ms. Allocated memory is still 198.7 MB. Free memory was 177.0 MB in the beginning and 165.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 213.89 ms. Allocated memory is still 198.7 MB. Free memory was 165.1 MB in the beginning and 158.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: 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: [L26] int p = 0; [L35] CALL firstFunction() [L29] CALL, EXPR abs_int(-3) [L18] COND TRUE i < 0 [L22] return -i; [L29] RET, EXPR abs_int(-3) [L29] p = abs_int(-3) [L30] CALL __VERIFIER_assert(p >= 0) [L8] COND TRUE i == 0 [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...