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/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:25:37,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:25:37,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:25:37,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:25:37,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:25:37,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:25:37,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:25:37,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:25:37,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:25:37,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:25:37,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:25:37,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:25:37,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:25:37,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:25:37,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:25:37,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:25:37,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:25:37,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:25:37,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:25:37,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:25:37,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:25:37,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:25:37,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:25:37,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:25:37,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:25:37,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:25:37,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:25:37,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:25:37,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:25:37,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:25:37,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:25:37,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:25:37,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:25:37,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:25:37,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:25:37,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:25:37,255 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 21:25:37,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:25:37,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:25:37,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:25:37,283 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:25:37,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:25:37,284 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:25:37,284 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:25:37,284 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:25:37,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:25:37,284 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:25:37,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:25:37,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:25:37,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:25:37,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:25:37,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:25:37,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:25:37,289 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:25:37,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:25:37,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:25:37,290 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:25:37,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:25:37,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:25:37,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:25:37,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:25:37,359 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:25:37,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-09-03 21:25:37,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a25686ca/3e03ffce245644d4b740e4c921e5fbb2/FLAG92e39c543 [2019-09-03 21:25:37,881 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:25:37,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-09-03 21:25:37,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a25686ca/3e03ffce245644d4b740e4c921e5fbb2/FLAG92e39c543 [2019-09-03 21:25:38,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a25686ca/3e03ffce245644d4b740e4c921e5fbb2 [2019-09-03 21:25:38,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:25:38,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:25:38,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:38,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:25:38,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:25:38,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:38,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fa8fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38, skipping insertion in model container [2019-09-03 21:25:38,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:38,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:25:38,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:25:38,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:38,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:25:38,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:38,981 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:25:38,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38 WrapperNode [2019-09-03 21:25:38,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:38,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:25:38,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:25:38,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:25:38,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (1/1) ... [2019-09-03 21:25:39,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:25:39,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:25:39,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:25:39,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:25:39,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:38" (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 21:25:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:25:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:25:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:25:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-03 21:25:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:25:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-03 21:25:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:25:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:25:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-03 21:25:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-03 21:25:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:25:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-03 21:25:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-03 21:25:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 21:25:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 21:25:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:25:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-03 21:25:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:25:41,824 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:25:41,824 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-03 21:25:41,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:41 BoogieIcfgContainer [2019-09-03 21:25:41,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:25:41,828 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:25:41,828 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:25:41,828 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:25:41,829 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:41" (1/1) ... [2019-09-03 21:25:41,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:25:41,997 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-03 21:25:42,005 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 24 variables. [2019-09-03 21:25:42,005 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:25:42,010 INFO L168 Benchmark]: Toolchain (without parser) took 3773.00 ms. Allocated memory was 138.9 MB in the beginning and 337.6 MB in the end (delta: 198.7 MB). Free memory was 86.3 MB in the beginning and 189.3 MB in the end (delta: -103.0 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,012 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.49 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.1 MB in the beginning and 145.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,015 INFO L168 Benchmark]: Boogie Preprocessor took 224.24 ms. Allocated memory is still 200.8 MB. Free memory was 145.6 MB in the beginning and 128.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,018 INFO L168 Benchmark]: RCFGBuilder took 2618.61 ms. Allocated memory was 200.8 MB in the beginning and 337.6 MB in the end (delta: 136.8 MB). Free memory was 128.6 MB in the beginning and 197.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,019 INFO L168 Benchmark]: Abstract Interpretation took 177.84 ms. Allocated memory is still 337.6 MB. Free memory was 197.1 MB in the beginning and 189.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:42,031 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.49 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.1 MB in the beginning and 145.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 224.24 ms. Allocated memory is still 200.8 MB. Free memory was 145.6 MB in the beginning and 128.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2618.61 ms. Allocated memory was 200.8 MB in the beginning and 337.6 MB in the end (delta: 136.8 MB). Free memory was 128.6 MB in the beginning and 197.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 177.84 ms. Allocated memory is still 337.6 MB. Free memory was 197.1 MB in the beginning and 189.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...