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/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:58,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:58,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:58,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:58,642 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 [2019-09-20 13:48:58,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:58,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:58,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:58,659 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:58,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:58,659 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:58,660 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:58,660 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:58,660 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:58,660 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:58,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:58,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:58,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:58,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:58,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:58,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:58,663 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:58,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:58,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:58,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:58,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:58,664 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:58,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:58,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:58,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:58,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:58,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:58,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:58,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:58,709 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:58,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-20 13:48:58,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6371152bb/3c421266b94349fe8393924d929a1022/FLAG3c80ebd84 [2019-09-20 13:48:59,250 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:59,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-20 13:48:59,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6371152bb/3c421266b94349fe8393924d929a1022/FLAG3c80ebd84 [2019-09-20 13:48:59,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6371152bb/3c421266b94349fe8393924d929a1022 [2019-09-20 13:48:59,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:59,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:59,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:59,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:59,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:59,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:48:59,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b459e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59, skipping insertion in model container [2019-09-20 13:48:59,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:48:59,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:59,669 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:59,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:59,830 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:59,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:59,862 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:59,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59 WrapperNode [2019-09-20 13:48:59,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:59,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:59,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:59,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:49:00,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:49:00,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:49:00,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:49:00,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:49:00,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:49:00,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59" (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 [2019-09-20 13:49:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:49:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:49:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 13:49:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-09-20 13:49:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:49:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:49:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 13:49:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-09-20 13:49:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:49:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:49:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:49:00,293 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:49:00,293 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:49:00,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:00 BoogieIcfgContainer [2019-09-20 13:49:00,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:49:00,295 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:49:00,295 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:49:00,296 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:49:00,296 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:00" (1/1) ... [2019-09-20 13:49:00,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:49:00,582 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:49:00,603 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. [2019-09-20 13:49:00,603 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:49:00,606 INFO L168 Benchmark]: Toolchain (without parser) took 972.17 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 90.2 MB in the beginning and 156.5 MB in the end (delta: -66.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:49:00,608 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.33 ms. Allocated memory is still 139.5 MB. Free memory was 90.0 MB in the beginning and 80.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,610 INFO L168 Benchmark]: Boogie Preprocessor took 200.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 80.8 MB in the beginning and 182.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,611 INFO L168 Benchmark]: RCFGBuilder took 230.15 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 171.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,612 INFO L168 Benchmark]: Abstract Interpretation took 308.00 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 156.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,617 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.33 ms. Allocated memory is still 139.5 MB. Free memory was 90.0 MB in the beginning and 80.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 80.8 MB in the beginning and 182.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.15 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 171.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 308.00 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 156.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 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...