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/loop-lit/jm2006.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:10,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:10,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:10,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:39:10,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:10,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:10,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:10,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:10,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:10,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:10,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:10,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:10,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:10,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:10,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:10,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:10,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:10,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:10,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:10,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:10,986 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 [2019-10-14 00:39:11,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:11,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:11,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:11,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:11,015 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:11,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:11,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:11,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:11,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:11,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:11,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:11,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:11,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:11,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:11,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:11,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:11,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:11,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:11,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:11,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:11,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:11,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:11,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:11,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:11,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:11,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:11,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:11,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:11,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:11,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:11,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:11,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:11,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:11,322 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:11,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-10-14 00:39:11,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb824d03/9c9bf6957cd04c019bf61f4c56f68c3c/FLAGbbbac0ff0 [2019-10-14 00:39:11,882 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:11,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-10-14 00:39:11,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb824d03/9c9bf6957cd04c019bf61f4c56f68c3c/FLAGbbbac0ff0 [2019-10-14 00:39:12,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afb824d03/9c9bf6957cd04c019bf61f4c56f68c3c [2019-10-14 00:39:12,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:12,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:12,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:12,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:12,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:12,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175279dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12, skipping insertion in model container [2019-10-14 00:39:12,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,258 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:12,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:12,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:12,494 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:12,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:12,533 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:12,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12 WrapperNode [2019-10-14 00:39:12,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:12,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:12,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:12,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:12,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:12,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:12,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:12,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:12,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:12" (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 [2019-10-14 00:39:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:12,906 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:12,906 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:39:12,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:12 BoogieIcfgContainer [2019-10-14 00:39:12,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:12,909 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:12,909 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:12,909 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:12,910 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:12" (1/1) ... [2019-10-14 00:39:12,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:13,173 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:13,195 INFO L272 AbstractInterpreter]: Visited 21 different actions 57 times. Merged at 8 different actions 24 times. Widened at 1 different actions 2 times. Performed 189 root evaluator evaluations with a maximum evaluation depth of 4. Performed 189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 12 fixpoints after 4 different actions. Largest state had 15 variables. [2019-10-14 00:39:13,196 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:13,199 INFO L168 Benchmark]: Toolchain (without parser) took 961.91 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 156.8 MB in the end (delta: -57.5 MB). Peak memory consumption was 134.5 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,200 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.01 ms. Allocated memory is still 142.6 MB. Free memory was 99.1 MB in the beginning and 89.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,203 INFO L168 Benchmark]: Boogie Preprocessor took 125.56 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 89.5 MB in the beginning and 179.0 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,204 INFO L168 Benchmark]: RCFGBuilder took 247.11 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 167.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,205 INFO L168 Benchmark]: Abstract Interpretation took 287.11 ms. Allocated memory is still 200.3 MB. Free memory was 167.1 MB in the beginning and 156.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:13,209 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 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.01 ms. Allocated memory is still 142.6 MB. Free memory was 99.1 MB in the beginning and 89.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.56 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 89.5 MB in the beginning and 179.0 MB in the end (delta: -89.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.11 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 167.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 287.11 ms. Allocated memory is still 200.3 MB. Free memory was 167.1 MB in the beginning and 156.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 48]: 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: [L1] int __return_main; [L7] int __return_72; [L10] int main__i; [L11] int main__j; [L12] main__i = __VERIFIER_nondet_int() [L13] main__j = __VERIFIER_nondet_int() [L14] COND FALSE !(!(main__i >= 0)) [L20] COND FALSE !(!(main__j >= 0)) [L26] int main__x = main__i; [L27] int main__y = main__j; [L29] COND FALSE !(main__x != 0) [L39] COND TRUE main__i == main__j [L42] int __tmp_1; [L43] __tmp_1 = main__y == 0 [L44] int __VERIFIER_assert__cond; [L45] __VERIFIER_assert__cond = __tmp_1 [L46] COND TRUE __VERIFIER_assert__cond == 0 [L48] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...