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/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:21,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:21,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:21,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:21,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:21,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:21,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:21,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:21,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:21,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:21,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:21,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:21,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:21,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:21,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:21,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:21,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:21,227 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 [2019-09-03 21:26:21,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:21,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:21,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:21,261 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:21,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:21,262 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:21,263 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:21,263 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:21,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:21,263 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:21,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:21,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:21,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:21,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:21,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:21,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:21,266 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:21,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:21,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:21,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:21,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:21,267 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:21,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:21,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:21,268 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:21,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:21,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:21,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:21,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:21,319 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:21,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-09-03 21:26:21,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3aa8591/a3b2780b1084429cab09370a137cec5d/FLAG303069d63 [2019-09-03 21:26:21,774 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:21,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-09-03 21:26:21,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3aa8591/a3b2780b1084429cab09370a137cec5d/FLAG303069d63 [2019-09-03 21:26:22,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3aa8591/a3b2780b1084429cab09370a137cec5d [2019-09-03 21:26:22,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:22,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:22,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:22,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:22,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:22,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e05d7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22, skipping insertion in model container [2019-09-03 21:26:22,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,191 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:22,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:22,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:22,389 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:22,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:22,419 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22 WrapperNode [2019-09-03 21:26:22,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:22,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:22,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:22,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:22,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:22,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:22,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:22,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:22,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:22" (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 [2019-09-03 21:26:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:22,734 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:22,735 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:22,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:22 BoogieIcfgContainer [2019-09-03 21:26:22,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:22,737 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:22,737 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:22,737 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:22,738 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:22" (1/1) ... [2019-09-03 21:26:22,761 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:22,823 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:22,982 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:23,000 INFO L272 AbstractInterpreter]: Visited 19 different actions 84 times. Merged at 4 different actions 20 times. Widened at 1 different actions 3 times. Performed 98 root evaluator evaluations with a maximum evaluation depth of 7. Performed 98 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-03 21:26:23,001 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:23,004 INFO L168 Benchmark]: Toolchain (without parser) took 828.80 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 88.6 MB in the beginning and 153.5 MB in the end (delta: -64.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:23,005 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.92 ms. Allocated memory is still 142.1 MB. Free memory was 88.3 MB in the beginning and 79.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,007 INFO L168 Benchmark]: Boogie Preprocessor took 123.16 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 79.1 MB in the beginning and 177.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,008 INFO L168 Benchmark]: RCFGBuilder took 192.56 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 167.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,009 INFO L168 Benchmark]: Abstract Interpretation took 264.06 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 153.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:23,014 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 142.1 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.92 ms. Allocated memory is still 142.1 MB. Free memory was 88.3 MB in the beginning and 79.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.16 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 79.1 MB in the beginning and 177.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 192.56 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 167.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 264.06 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 153.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L15] unsigned int i = 0; [L16] unsigned int j = 0; [L17] unsigned int k = 0; [L19] COND TRUE k < 0x0fffffff [L20] i = i + 1 [L21] j = j + 2 [L22] k = k + 3 [L24] CALL __VERIFIER_assert(k == (i + j)) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...