/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/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:54:39,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:54:39,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:54:39,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-07 06:54:39,923 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 06:54:39,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:54:39,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:54:39,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:54:39,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:54:39,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:54:39,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:54:39,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:54:39,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:54:39,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:54:39,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:54:39,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:54:39,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:54:39,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:54:39,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:54:39,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:54:39,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:54:39,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:54:39,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:54:39,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:54:39,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:54:39,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:54:39,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:54:39,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:54:39,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:54:39,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:54:39,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:54:39,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:54:39,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:54:39,949 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 06:54:40,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:54:40,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:54:40,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:54:40,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:54:40,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:54:40,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-11-07 06:54:40,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79553e939/31e95974a4534867a23a7262a50dce7a/FLAGb39305a5c [2019-11-07 06:54:40,752 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:54:40,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-11-07 06:54:40,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79553e939/31e95974a4534867a23a7262a50dce7a/FLAGb39305a5c [2019-11-07 06:54:41,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79553e939/31e95974a4534867a23a7262a50dce7a [2019-11-07 06:54:41,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:54:41,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:54:41,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:41,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:54:41,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:54:41,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fb3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41, skipping insertion in model container [2019-11-07 06:54:41,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,216 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:54:41,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:54:41,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:41,448 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:54:41,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:41,483 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:54:41,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41 WrapperNode [2019-11-07 06:54:41,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:41,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:54:41,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:54:41,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:54:41,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:54:41,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:54:41,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:54:41,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:54:41,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:41" (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 06:54:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:54:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:54:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-11-07 06:54:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-11-07 06:54:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:54:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:54:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-11-07 06:54:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-11-07 06:54:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:54:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:54:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:54:41,853 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:54:41,853 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:54:41,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:41 BoogieIcfgContainer [2019-11-07 06:54:41,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:54:41,855 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:54:41,855 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:54:41,856 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:54:41,856 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:41" (1/1) ... [2019-11-07 06:54:41,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:54:42,126 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:54:42,151 INFO L272 AbstractInterpreter]: Visited 21 different actions 81 times. Merged at 2 different actions 10 times. Widened at 1 different actions 1 times. Performed 96 root evaluator evaluations with a maximum evaluation depth of 7. Performed 96 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2019-11-07 06:54:42,151 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:54:42,154 INFO L168 Benchmark]: Toolchain (without parser) took 955.02 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 99.7 MB in the beginning and 153.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,156 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.50 ms. Allocated memory is still 135.8 MB. Free memory was 99.4 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,158 INFO L168 Benchmark]: Boogie Preprocessor took 144.02 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 90.3 MB in the beginning and 180.0 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,159 INFO L168 Benchmark]: RCFGBuilder took 226.20 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,160 INFO L168 Benchmark]: Abstract Interpretation took 296.13 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 153.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:42,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 284.50 ms. Allocated memory is still 135.8 MB. Free memory was 99.4 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.02 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 90.3 MB in the beginning and 180.0 MB in the end (delta: -89.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.20 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 296.13 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 153.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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: [L23] int i=0; [L24] COND TRUE i<5 [L25] i++ [L29] CALL check_error(i!=3) [L18] (b) ? (0) : __blast_assert () [L18] CALL __blast_assert () [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...