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/array-examples/standard_sentinel.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 18:57:19,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 18:57:19,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 18:57:19,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 18:57:19,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 18:57:19,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 18:57:19,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 18:57:19,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 18:57:19,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 18:57:19,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 18:57:19,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 18:57:19,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 18:57:19,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 18:57:19,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 18:57:19,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 18:57:19,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 18:57:19,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 18:57:19,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 18:57:19,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 18:57:19,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 18:57:19,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 18:57:19,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 18:57:19,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 18:57:19,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 18:57:19,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 18:57:19,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 18:57:19,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 18:57:19,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 18:57:19,289 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 [2019-09-10 18:57:19,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 18:57:19,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 18:57:19,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 18:57:19,308 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 18:57:19,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 18:57:19,309 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 18:57:19,310 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 18:57:19,310 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 18:57:19,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 18:57:19,311 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 18:57:19,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 18:57:19,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 18:57:19,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 18:57:19,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 18:57:19,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 18:57:19,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 18:57:19,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 18:57:19,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 18:57:19,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 18:57:19,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 18:57:19,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 18:57:19,316 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 18:57:19,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 18:57:19,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 18:57:19,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 18:57:19,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 18:57:19,317 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 18:57:19,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 18:57:19,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 18:57:19,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 18:57:19,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 18:57:19,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 18:57:19,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 18:57:19,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 18:57:19,410 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 18:57:19,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-09-10 18:57:19,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10761792/3920490834464a8c86e1782fa425d4a7/FLAGc581ca789 [2019-09-10 18:57:19,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 18:57:19,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-09-10 18:57:19,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10761792/3920490834464a8c86e1782fa425d4a7/FLAGc581ca789 [2019-09-10 18:57:20,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10761792/3920490834464a8c86e1782fa425d4a7 [2019-09-10 18:57:20,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 18:57:20,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 18:57:20,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 18:57:20,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 18:57:20,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 18:57:20,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd675f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20, skipping insertion in model container [2019-09-10 18:57:20,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 18:57:20,328 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 18:57:20,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 18:57:20,601 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 18:57:20,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 18:57:20,744 INFO L192 MainTranslator]: Completed translation [2019-09-10 18:57:20,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20 WrapperNode [2019-09-10 18:57:20,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 18:57:20,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 18:57:20,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 18:57:20,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 18:57:20,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (1/1) ... [2019-09-10 18:57:20,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 18:57:20,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 18:57:20,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 18:57:20,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 18:57:20,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 06:57:20" (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 [2019-09-10 18:57:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 18:57:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 18:57:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 18:57:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 18:57:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 18:57:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 18:57:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 18:57:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 18:57:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 18:57:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 18:57:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 18:57:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 18:57:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 18:57:21,143 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 18:57:21,144 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 18:57:21,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 06:57:21 BoogieIcfgContainer [2019-09-10 18:57:21,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 18:57:21,146 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 18:57:21,147 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 18:57:21,147 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 18:57:21,148 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 06:57:21" (1/1) ... [2019-09-10 18:57:21,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 18:57:21,408 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 18:57:21,417 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 30 variables. [2019-09-10 18:57:21,418 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 18:57:21,423 INFO L168 Benchmark]: Toolchain (without parser) took 1137.69 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 91.3 MB in the beginning and 157.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 152.4 kB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,425 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.36 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 91.1 MB in the beginning and 178.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,429 INFO L168 Benchmark]: Boogie Preprocessor took 51.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 176.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,432 INFO L168 Benchmark]: RCFGBuilder took 348.73 ms. Allocated memory is still 201.3 MB. Free memory was 176.3 MB in the beginning and 163.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,433 INFO L168 Benchmark]: Abstract Interpretation took 271.57 ms. Allocated memory is still 201.3 MB. Free memory was 162.5 MB in the beginning and 157.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-10 18:57:21,445 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 461.36 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 91.1 MB in the beginning and 178.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 176.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.73 ms. Allocated memory is still 201.3 MB. Free memory was 176.3 MB in the beginning and 163.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 271.57 ms. Allocated memory is still 201.3 MB. Free memory was 162.5 MB in the beginning and 157.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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: 41]: 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...