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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:58,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:58,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:58,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:58,479 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 13:48:58,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:58,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:58,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:58,506 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:58,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:58,507 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:58,507 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:58,507 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:58,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:58,508 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:58,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:58,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:58,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:58,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:58,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:58,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:58,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:58,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:58,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:58,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:58,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:58,513 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:58,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:58,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:58,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:58,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:58,514 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:58,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:58,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:58,515 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:58,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:58,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:58,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:58,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:58,591 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:58,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-09-20 13:48:58,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3718bc984/ef501af060644aa8a97d354ccc3d4d80/FLAG67b6fbb49 [2019-09-20 13:48:59,117 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:59,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-09-20 13:48:59,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3718bc984/ef501af060644aa8a97d354ccc3d4d80/FLAG67b6fbb49 [2019-09-20 13:48:59,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3718bc984/ef501af060644aa8a97d354ccc3d4d80 [2019-09-20 13:48:59,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:59,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:59,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:59,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:59,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:59,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:48:59,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4261ac45 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 13:48:59,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:59" (1/1) ... [2019-09-20 13:48:59,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:59,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:59,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:59,780 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:59,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:59,804 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:59,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:59 WrapperNode [2019-09-20 13:48:59,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:59,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:59,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:59,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:59,900 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 13:48:59,900 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 13:48:59,906 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 13:48:59,906 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 13:48:59,910 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 13:48:59,919 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 13:48:59,920 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 13:48:59,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:59,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:59,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:59,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:59,923 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 13:48:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 13:48:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 13:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:49:00,131 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:49:00,132 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:49:00,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:49:00 BoogieIcfgContainer [2019-09-20 13:49:00,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:49:00,134 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:49:00,134 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:49:00,135 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:49:00,135 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 13:49:00,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:49:00,262 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:49:00,283 INFO L272 AbstractInterpreter]: Visited 13 different actions 23 times. Merged at 2 different actions 4 times. Never widened. Performed 37 root evaluator evaluations with a maximum evaluation depth of 4. Performed 37 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2019-09-20 13:49:00,283 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:49:00,286 INFO L168 Benchmark]: Toolchain (without parser) took 745.57 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 85.0 MB in the beginning and 156.2 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:49:00,287 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.92 ms. Allocated memory is still 129.5 MB. Free memory was 84.8 MB in the beginning and 75.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,290 INFO L168 Benchmark]: Boogie Preprocessor took 115.36 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.2 MB in the beginning and 173.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,291 INFO L168 Benchmark]: RCFGBuilder took 212.12 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 163.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,292 INFO L168 Benchmark]: Abstract Interpretation took 148.95 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 156.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:49:00,296 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.92 ms. Allocated memory is still 129.5 MB. Free memory was 84.8 MB in the beginning and 75.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.36 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.2 MB in the beginning and 173.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.12 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 163.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 148.95 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 156.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 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: [L12] int i=0; [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L16] CALL __blast_assert () [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...