java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:02:08,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:02:08,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:02:08,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:02:08,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:02:08,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:02:08,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:02:08,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:02:08,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:02:08,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:02:08,440 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:02:08,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:02:08,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:02:08,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:02:08,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:02:08,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:02:08,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:02:08,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:02:08,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:02:08,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:02:08,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:02:08,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:02:08,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:02:08,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:02:08,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:02:08,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:02:08,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:02:08,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:02:08,466 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 [2019-08-10 02:02:08,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:02:08,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:02:08,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:02:08,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:02:08,482 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:02:08,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:02:08,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:02:08,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:02:08,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:02:08,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:02:08,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:02:08,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:02:08,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:02:08,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:02:08,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:02:08,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:02:08,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:02:08,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:02:08,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:02:08,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:02:08,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:02:08,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:02:08,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:02:08,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:02:08,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:02:08,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:02:08,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:02:08,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:02:08,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:02:08,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:02:08,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:02:08,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:02:08,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:02:08,531 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:02:08,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-08-10 02:02:08,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/726ac9c0f/eabd003660c84229a0db8b31f819dd0d/FLAG124c7c730 [2019-08-10 02:02:09,023 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:02:09,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-08-10 02:02:09,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/726ac9c0f/eabd003660c84229a0db8b31f819dd0d/FLAG124c7c730 [2019-08-10 02:02:09,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/726ac9c0f/eabd003660c84229a0db8b31f819dd0d [2019-08-10 02:02:09,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:02:09,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:02:09,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:02:09,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:02:09,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:02:09,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2026b0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09, skipping insertion in model container [2019-08-10 02:02:09,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:02:09,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:02:09,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:02:09,636 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:02:09,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:02:09,661 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:02:09,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09 WrapperNode [2019-08-10 02:02:09,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:02:09,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:02:09,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:02:09,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:02:09,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:09,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:02:09,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:02:09,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:02:09,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:02:09,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:02:09" (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 [2019-08-10 02:02:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:02:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:02:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-10 02:02:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-08-10 02:02:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:02:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:02:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-10 02:02:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-08-10 02:02:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:02:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:02:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:02:09,967 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:02:09,967 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:02:09,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:02:09 BoogieIcfgContainer [2019-08-10 02:02:09,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:02:09,969 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:02:09,969 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:02:09,969 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:02:09,970 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:02:09" (1/1) ... [2019-08-10 02:02:10,089 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:02:10,096 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:02:10,099 INFO L168 Benchmark]: Toolchain (without parser) took 651.41 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.2 MB in the beginning and 160.6 MB in the end (delta: -71.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:02:10,101 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-10 02:02:10,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.09 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 80.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:02:10,103 INFO L168 Benchmark]: Boogie Preprocessor took 107.32 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.0 MB in the beginning and 177.8 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:02:10,104 INFO L168 Benchmark]: RCFGBuilder took 199.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 167.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:02:10,104 INFO L168 Benchmark]: Symbolic Interpretation took 127.67 ms. Allocated memory is still 200.3 MB. Free memory was 167.0 MB in the beginning and 160.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:02:10,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 48#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 214.09 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 80.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.32 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.0 MB in the beginning and 177.8 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 199.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 167.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 127.67 ms. Allocated memory is still 200.3 MB. Free memory was 167.0 MB in the beginning and 160.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...