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/loops/linear_search.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:19,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:19,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:19,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:39:19,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:39:19,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:39:19,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:39:19,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:39:19,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:39:19,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:39:19,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:39:19,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:39:19,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:19,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:19,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:19,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:19,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:19,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:19,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:19,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:19,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:19,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:19,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:19,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:19,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:19,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:19,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:19,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:19,978 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 [2019-10-14 00:39:20,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:20,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:20,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:20,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:20,008 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:20,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:20,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:20,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:20,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:20,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:20,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:20,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:20,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:20,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:20,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:20,011 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:20,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:20,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:20,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:20,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:20,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:20,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:20,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:20,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:20,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:20,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:20,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:20,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:20,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:20,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:20,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:20,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:20,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:20,342 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:20,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_search.c [2019-10-14 00:39:20,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b95655b5/f65931e08b804646b84653fc27ced2dd/FLAGfd79c07f2 [2019-10-14 00:39:20,878 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:20,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_search.c [2019-10-14 00:39:20,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b95655b5/f65931e08b804646b84653fc27ced2dd/FLAGfd79c07f2 [2019-10-14 00:39:21,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b95655b5/f65931e08b804646b84653fc27ced2dd [2019-10-14 00:39:21,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:21,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:21,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:21,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:21,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:21,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166b0bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21, skipping insertion in model container [2019-10-14 00:39:21,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,287 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:21,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:21,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:21,514 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:21,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:21,548 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:21,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21 WrapperNode [2019-10-14 00:39:21,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:21,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:21,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:21,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:21,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (1/1) ... [2019-10-14 00:39:21,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:21,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:21,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:21,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:21,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:21" (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 [2019-10-14 00:39:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:39:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-10-14 00:39:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-10-14 00:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 00:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:39:22,005 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:22,006 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:39:22,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:22 BoogieIcfgContainer [2019-10-14 00:39:22,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:22,009 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:22,010 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:22,010 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:22,011 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:22" (1/1) ... [2019-10-14 00:39:22,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:22,156 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-14 00:39:22,173 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:39:22,178 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Performed 24 root evaluator evaluations with a maximum evaluation depth of 9. Performed 24 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 23 variables. [2019-10-14 00:39:22,179 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:22,181 INFO L168 Benchmark]: Toolchain (without parser) took 913.18 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 157.4 MB in the end (delta: -56.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,183 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.63 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 90.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,185 INFO L168 Benchmark]: Boogie Preprocessor took 131.60 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 90.6 MB in the beginning and 179.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,187 INFO L168 Benchmark]: RCFGBuilder took 326.92 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 164.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,188 INFO L168 Benchmark]: Abstract Interpretation took 169.36 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 157.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:22,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.63 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 90.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.60 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 90.6 MB in the beginning and 179.6 MB in the end (delta: -89.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.92 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 164.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 169.36 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 157.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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: 6]: 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...