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/loop-lit/gr2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:18,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:18,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:18,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:18,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:18,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:18,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:18,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:18,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:18,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:18,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:18,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:18,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:18,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:18,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:18,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:18,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:18,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:18,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:18,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:18,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:18,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:18,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:18,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:18,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:18,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:18,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:18,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:18,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:18,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:18,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:18,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:18,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:18,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:18,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:18,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:18,602 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 04:44:18,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:18,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:18,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:18,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:18,619 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:18,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:18,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:18,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:18,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:18,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:18,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:18,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:18,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:18,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:18,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:18,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:18,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:18,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:18,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:18,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:18,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:18,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:18,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:18,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:18,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:18,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:18,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:18,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:18,624 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 04:44:18,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:18,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:18,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:18,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:18,962 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:18,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gr2006.i [2019-10-15 04:44:19,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f601a1c1/a33d8c793738447bbda562f9f6896559/FLAG514b127c2 [2019-10-15 04:44:19,482 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:19,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gr2006.i [2019-10-15 04:44:19,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f601a1c1/a33d8c793738447bbda562f9f6896559/FLAG514b127c2 [2019-10-15 04:44:19,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f601a1c1/a33d8c793738447bbda562f9f6896559 [2019-10-15 04:44:19,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:19,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:19,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:19,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:19,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:19,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19, skipping insertion in model container [2019-10-15 04:44:19,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,853 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:19,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:20,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:20,047 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:20,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:20,075 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:20,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20 WrapperNode [2019-10-15 04:44:20,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:20,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:20,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:20,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:20,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:20,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:20,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:20,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:20,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20" (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 [2019-10-15 04:44:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:20,430 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:20,431 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:20,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:20 BoogieIcfgContainer [2019-10-15 04:44:20,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:20,439 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:20,439 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:20,440 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:20,444 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:20,672 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:20,698 INFO L272 AbstractInterpreter]: Visited 24 different actions 110 times. Merged at 8 different actions 35 times. Widened at 1 different actions 5 times. Performed 229 root evaluator evaluations with a maximum evaluation depth of 6. Performed 229 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 11 fixpoints after 4 different actions. Largest state had 6 variables. [2019-10-15 04:44:20,699 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:20,702 INFO L168 Benchmark]: Toolchain (without parser) took 866.36 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 102.2 MB in the beginning and 157.8 MB in the end (delta: -55.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,703 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:20,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.43 ms. Allocated memory is still 141.0 MB. Free memory was 101.7 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,706 INFO L168 Benchmark]: Boogie Preprocessor took 127.34 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 92.3 MB in the beginning and 179.9 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,707 INFO L168 Benchmark]: RCFGBuilder took 234.29 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 168.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,708 INFO L168 Benchmark]: Abstract Interpretation took 259.81 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 157.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,712 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 141.0 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.43 ms. Allocated memory is still 141.0 MB. Free memory was 101.7 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.34 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 92.3 MB in the beginning and 179.9 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.29 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 168.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 259.81 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 157.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L11] int x,y; [L12] x = 0 [L13] y = 0 [L14] COND TRUE 1 [L15] COND TRUE x < 50 [L16] y++ [L20] COND FALSE !(y < 0) [L21] x++ [L14] COND TRUE 1 [L15] COND TRUE x < 50 [L16] y++ [L20] COND FALSE !(y < 0) [L21] x++ [L14] COND TRUE 1 [L15] COND TRUE x < 50 [L16] y++ [L20] COND FALSE !(y < 0) [L21] x++ [L14] COND TRUE 1 [L15] COND TRUE x < 50 [L16] y++ [L20] COND FALSE !(y < 0) [L21] x++ [L14] COND TRUE 1 [L15] COND TRUE x < 50 [L16] y++ [L20] COND FALSE !(y < 0) [L21] x++ [L14] COND TRUE 1 [L15] COND FALSE !(x < 50) [L18] y-- [L20] COND TRUE y < 0 [L23] CALL __VERIFIER_assert(x == 100) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...