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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:33:42,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:33:42,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:33:42,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:33:42,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:33:42,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:33:42,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:33:42,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:33:42,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:33:42,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:33:42,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:33:42,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:33:42,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:33:42,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:33:42,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:33:42,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:33:42,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:33:42,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:33:42,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:33:42,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:33:42,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:33:42,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:33:42,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:33:42,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:33:42,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:33:42,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:33:42,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:33:42,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:33:42,750 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 [2019-10-15 03:33:42,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:33:42,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:33:42,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:33:42,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:33:42,785 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:33:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:33:42,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:33:42,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:33:42,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:33:42,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:33:42,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:33:42,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:33:42,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:33:42,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:33:42,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:33:42,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:33:42,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:33:42,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:33:42,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:33:42,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:33:42,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:33:42,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:33:42,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:33:42,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:33:42,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:33:42,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:33:42,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:33:42,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:33:42,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 03:33:43,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:33:43,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:33:43,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:33:43,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:33:43,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:33:43,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-10-15 03:33:43,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1caced8ab/d57c5eaff0404bac868c9e40d2273f08/FLAG476181c80 [2019-10-15 03:33:43,651 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:33:43,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_sentinel.i.v+cfa-reducer.c [2019-10-15 03:33:43,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1caced8ab/d57c5eaff0404bac868c9e40d2273f08/FLAG476181c80 [2019-10-15 03:33:44,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1caced8ab/d57c5eaff0404bac868c9e40d2273f08 [2019-10-15 03:33:44,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:33:44,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:33:44,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:33:44,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:33:44,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:33:44,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a87286f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44, skipping insertion in model container [2019-10-15 03:33:44,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:33:44,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:33:44,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:33:44,301 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:33:44,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:33:44,424 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:33:44,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44 WrapperNode [2019-10-15 03:33:44,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:33:44,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:33:44,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:33:44,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:33:44,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:33:44,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:33:44,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:33:44,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:33:44,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:44" (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 [2019-10-15 03:33:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:33:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:33:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:33:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:33:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:33:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 03:33:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:33:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:33:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:33:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:33:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:33:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:33:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:33:44,783 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:33:44,783 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:33:44,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:44 BoogieIcfgContainer [2019-10-15 03:33:44,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:33:44,790 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:33:44,791 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:33:44,791 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:33:44,792 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:44" (1/1) ... [2019-10-15 03:33:44,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 03:33:44,890 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 03:33:44,895 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. [2019-10-15 03:33:44,895 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 03:33:44,899 INFO L168 Benchmark]: Toolchain (without parser) took 842.98 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 103.4 MB in the beginning and 159.1 MB in the end (delta: -55.7 MB). Peak memory consumption was 931.7 kB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,900 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.30 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 181.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,902 INFO L168 Benchmark]: Boogie Preprocessor took 36.00 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 179.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,903 INFO L168 Benchmark]: RCFGBuilder took 323.69 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 164.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,904 INFO L168 Benchmark]: Abstract Interpretation took 105.24 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 159.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:33:44,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 369.30 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 181.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.00 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 179.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.69 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 164.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 105.24 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 159.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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...