/usr/bin/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/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:27,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:27,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:27,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:27,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:27,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:27,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:27,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:27,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:27,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:27,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:27,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:58:27,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:58:27,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:58:27,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:58:27,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:58:27,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:58:27,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:58:27,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:58:27,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:58:27,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:58:27,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:58:27,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:58:27,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:58:27,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:58:27,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:27,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:27,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:27,667 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 [2019-11-07 06:58:27,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:27,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:27,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:27,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:27,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:27,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:27,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:27,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:27,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:27,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:27,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:27,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:27,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:27,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:27,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:27,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:27,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:27,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:27,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:27,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:27,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:27,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:27,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:27,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:27,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:27,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:27,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:27,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:27,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:58:27,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:27,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:27,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:27,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:27,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:27,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-07 06:58:28,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3790cb7/b39aa7c7dd2e47c29052d5a4f22a99c9/FLAGd5ab32a87 [2019-11-07 06:58:28,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:28,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-11-07 06:58:28,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3790cb7/b39aa7c7dd2e47c29052d5a4f22a99c9/FLAGd5ab32a87 [2019-11-07 06:58:28,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3790cb7/b39aa7c7dd2e47c29052d5a4f22a99c9 [2019-11-07 06:58:28,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:28,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:28,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:28,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:28,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:28,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:28" (1/1) ... [2019-11-07 06:58:28,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120a0594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:28, skipping insertion in model container [2019-11-07 06:58:28,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:28" (1/1) ... [2019-11-07 06:58:28,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:29,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:29,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:29,181 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:29,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:29,217 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:29,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29 WrapperNode [2019-11-07 06:58:29,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:29,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:29,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:29,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:29,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:29,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:29,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:29,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:29,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:29" (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 [2019-11-07 06:58:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:58:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:29,553 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:29,555 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:58:29,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:29 BoogieIcfgContainer [2019-11-07 06:58:29,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:29,558 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:29,558 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:29,558 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:29,559 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:29" (1/1) ... [2019-11-07 06:58:29,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:29,784 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:29,802 INFO L272 AbstractInterpreter]: Visited 22 different actions 47 times. Merged at 5 different actions 9 times. Never widened. Performed 45 root evaluator evaluations with a maximum evaluation depth of 8. Performed 45 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 5 variables. [2019-11-07 06:58:29,802 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:29,805 INFO L168 Benchmark]: Toolchain (without parser) took 830.30 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 155.3 MB in the end (delta: -53.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,806 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.38 ms. Allocated memory is still 145.2 MB. Free memory was 101.4 MB in the beginning and 92.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,812 INFO L168 Benchmark]: Boogie Preprocessor took 108.67 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.1 MB in the beginning and 180.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,814 INFO L168 Benchmark]: RCFGBuilder took 229.82 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 170.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,815 INFO L168 Benchmark]: Abstract Interpretation took 244.27 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 155.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:29,827 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 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.38 ms. Allocated memory is still 145.2 MB. Free memory was 101.4 MB in the beginning and 92.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.67 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.1 MB in the beginning and 180.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.82 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 170.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 244.27 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 155.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 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: [L13] int x=__VERIFIER_nondet_int(); [L14] int y=__VERIFIER_nondet_int(); [L16] COND FALSE !(y>0) [L23] CALL __VERIFIER_assert(y<=0 || (y<0 && 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...