/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/loop-lit/gsv2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:54,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:54,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:54,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:54,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:54,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:54,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:54,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:54,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:54,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:54,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:54,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 06:57:54,935 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 06:57:54,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:54,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:54,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:54,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:54,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:54,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:54,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:54,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:54,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:54,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:54,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:54,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:54,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:54,952 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:54,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:54,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:54,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:54,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:54,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:54,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:54,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:54,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:54,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:54,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:54,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:54,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:54,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:54,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:54,955 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 06:57:55,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:55,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:55,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:55,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:55,254 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:55,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.i [2019-11-07 06:57:55,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c84d399b/127dd23a0cbf4df68e268a4c806b70dc/FLAG7730d3a68 [2019-11-07 06:57:55,778 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:55,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.i [2019-11-07 06:57:55,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c84d399b/127dd23a0cbf4df68e268a4c806b70dc/FLAG7730d3a68 [2019-11-07 06:57:56,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c84d399b/127dd23a0cbf4df68e268a4c806b70dc [2019-11-07 06:57:56,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:56,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:56,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:56,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:56,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:56,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62626fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56, skipping insertion in model container [2019-11-07 06:57:56,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,175 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:56,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:56,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:56,368 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:56,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:56,403 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:56,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56 WrapperNode [2019-11-07 06:57:56,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:56,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:56,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:56,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:56,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:56,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:56,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:56,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:56,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:56" (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 06:57:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:56,737 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:56,738 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:57:56,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:56 BoogieIcfgContainer [2019-11-07 06:57:56,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:56,740 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:56,740 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:56,740 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:56,741 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:56" (1/1) ... [2019-11-07 06:57:56,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:56,962 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:56,980 INFO L272 AbstractInterpreter]: Visited 22 different actions 97 times. Merged at 5 different actions 28 times. Widened at 1 different actions 3 times. Performed 121 root evaluator evaluations with a maximum evaluation depth of 6. Performed 121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 2 different actions. Largest state had 5 variables. [2019-11-07 06:57:56,980 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:56,983 INFO L168 Benchmark]: Toolchain (without parser) took 825.03 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 159.9 MB in the end (delta: -56.7 MB). Peak memory consumption was 469.3 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:56,984 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 06:57:56,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.92 ms. Allocated memory is still 145.2 MB. Free memory was 103.2 MB in the beginning and 94.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:56,987 INFO L168 Benchmark]: Boogie Preprocessor took 103.33 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 94.0 MB in the beginning and 182.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:56,988 INFO L168 Benchmark]: RCFGBuilder took 231.98 ms. Allocated memory is still 202.4 MB. Free memory was 182.3 MB in the beginning and 169.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:56,990 INFO L168 Benchmark]: Abstract Interpretation took 240.69 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 159.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:56,995 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 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.92 ms. Allocated memory is still 145.2 MB. Free memory was 103.2 MB in the beginning and 94.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.33 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 94.0 MB in the beginning and 182.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.98 ms. Allocated memory is still 202.4 MB. Free memory was 182.3 MB in the beginning and 169.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 240.69 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 159.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] int x,y; [L12] x = -50 [L13] y = __VERIFIER_nondet_int() [L14] COND FALSE !(!(-1000 < y && y < 1000000)) [L15] COND TRUE x < 0 [L16] x = x + y [L17] y++ [L15] COND FALSE !(x < 0) [L19] CALL __VERIFIER_assert(y > 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...