/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:54:11,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:54:11,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:54:11,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:54:11,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:54:11,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:54:11,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:54:11,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:54:11,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:54:11,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:54:11,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:54:11,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:54:11,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:54:11,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:54:11,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:54:11,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:54:11,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:54:11,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:54:11,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:54:11,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:54:11,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:54:11,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:54:11,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:54:11,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:54:11,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:54:11,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:54:11,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:54:11,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:54:11,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 06:54:11,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:54:11,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:54:11,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:54:11,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:54:11,917 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:54:11,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:54:11,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:54:11,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:54:11,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:54:11,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:54:11,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:54:11,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:54:11,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:54:11,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:54:11,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:54:11,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:54:11,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:54:11,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:54:11,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:54:11,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:54:11,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:54:11,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:54:11,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:54:11,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:54:11,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:54:11,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:54:11,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:54:11,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:54:11,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:54:12,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:54:12,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:54:12,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:54:12,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:54:12,254 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:54:12,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 06:54:12,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0700c5dc6/58c7a9b9190a474896ce380d785013f1/FLAG8b658c81d [2019-11-07 06:54:12,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:54:12,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 06:54:12,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0700c5dc6/58c7a9b9190a474896ce380d785013f1/FLAG8b658c81d [2019-11-07 06:54:13,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0700c5dc6/58c7a9b9190a474896ce380d785013f1 [2019-11-07 06:54:13,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:54:13,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:54:13,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:13,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:54:13,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:54:13,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab92a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13, skipping insertion in model container [2019-11-07 06:54:13,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,182 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:54:13,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:54:13,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:13,359 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:54:13,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:13,391 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:54:13,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13 WrapperNode [2019-11-07 06:54:13,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:13,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:54:13,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:54:13,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:54:13,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:54:13,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:54:13,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:54:13,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:54:13,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:13" (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 [2019-11-07 06:54:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:54:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:54:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:54:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-11-07 06:54:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-11-07 06:54:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:54:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:54:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:54:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-11-07 06:54:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-11-07 06:54:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:54:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:54:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:54:13,703 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:54:13,704 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:54:13,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:13 BoogieIcfgContainer [2019-11-07 06:54:13,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:54:13,706 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:54:13,706 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:54:13,706 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:54:13,707 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:13" (1/1) ... [2019-11-07 06:54:13,733 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:54:13,865 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:54:13,896 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. [2019-11-07 06:54:13,896 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:54:13,905 INFO L168 Benchmark]: Toolchain (without parser) took 735.70 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 164.4 MB in the end (delta: -60.8 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,907 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.83 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 94.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,912 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 ms. Allocated memory is still 140.5 MB. Free memory was 94.3 MB in the beginning and 92.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,913 INFO L168 Benchmark]: RCFGBuilder took 288.51 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 92.9 MB in the beginning and 171.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,914 INFO L168 Benchmark]: Abstract Interpretation took 190.37 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 164.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:13,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.83 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 94.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.81 ms. Allocated memory is still 140.5 MB. Free memory was 94.3 MB in the beginning and 92.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.51 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 92.9 MB in the beginning and 171.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 190.37 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 164.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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...