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/eureka_01-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:16,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:16,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:16,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:39:16,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:39:16,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:39:16,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:39:16,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:39:16,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:39:16,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:39:16,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:39:16,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:39:16,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:16,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:16,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:16,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:16,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:16,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:16,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:16,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:16,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:16,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:16,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:16,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:16,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:16,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:16,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:16,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:16,227 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 00:39:16,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:16,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:16,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:16,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:16,243 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:16,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:16,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:16,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:16,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:16,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:16,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:16,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:16,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:16,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:16,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:16,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:16,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:16,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:16,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:16,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:16,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:16,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:16,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:16,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:16,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:16,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:16,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:16,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:16,248 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 00:39:16,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:16,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:16,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:16,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:16,534 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:16,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/eureka_01-2.c [2019-10-14 00:39:16,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ddb0094/c61c44b5238d4a81b27208a833446494/FLAGdacfce59e [2019-10-14 00:39:17,091 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:17,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_01-2.c [2019-10-14 00:39:17,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ddb0094/c61c44b5238d4a81b27208a833446494/FLAGdacfce59e [2019-10-14 00:39:17,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ddb0094/c61c44b5238d4a81b27208a833446494 [2019-10-14 00:39:17,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:17,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:17,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:17,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:17,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:17,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363dae01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17, skipping insertion in model container [2019-10-14 00:39:17,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,496 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:17,516 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:17,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:17,765 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:17,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:17,932 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:17,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17 WrapperNode [2019-10-14 00:39:17,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:17,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:17,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:17,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:17,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (1/1) ... [2019-10-14 00:39:17,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:17,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:17,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:17,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:17,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:17" (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 00:39:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:39:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:39:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:39:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:18,495 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:18,496 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 00:39:18,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:18 BoogieIcfgContainer [2019-10-14 00:39:18,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:18,498 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:18,498 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:18,498 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:18,499 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:18" (1/1) ... [2019-10-14 00:39:18,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:18,601 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:39:18,606 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 48 variables. [2019-10-14 00:39:18,606 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:18,610 INFO L168 Benchmark]: Toolchain (without parser) took 1134.02 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 103.2 MB in the beginning and 152.6 MB in the end (delta: -49.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,611 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.16 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 181.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,614 INFO L168 Benchmark]: Boogie Preprocessor took 55.31 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 179.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,615 INFO L168 Benchmark]: RCFGBuilder took 508.73 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 157.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,616 INFO L168 Benchmark]: Abstract Interpretation took 108.19 ms. Allocated memory is still 203.4 MB. Free memory was 157.9 MB in the beginning and 152.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:18,621 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 455.16 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 181.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.31 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 179.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 508.73 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 157.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 108.19 ms. Allocated memory is still 203.4 MB. Free memory was 157.9 MB in the beginning and 152.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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...