/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_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:25,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:25,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:25,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:25,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:25,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:25,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:25,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:25,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:25,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:25,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:25,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:58:25,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:58:25,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:58:25,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:58:25,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:58:25,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:58:25,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:58:25,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:58:25,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:58:25,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:58:25,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:58:25,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:58:25,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:58:25,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:58:25,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:25,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:25,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:25,506 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 06:58:25,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:25,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:25,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:25,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:25,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:25,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:25,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:25,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:25,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:25,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:25,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:25,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:25,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:25,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:25,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:25,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:25,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:25,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:25,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:25,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:25,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:25,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:25,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:25,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:25,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:25,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:25,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:25,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:25,526 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 06:58:25,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:25,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:25,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:25,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:25,826 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:25,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-07 06:58:25,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d955102d/45cefb66f5584da49fd19024a3d3dae5/FLAG34f80eb24 [2019-11-07 06:58:26,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:26,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-07 06:58:26,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d955102d/45cefb66f5584da49fd19024a3d3dae5/FLAG34f80eb24 [2019-11-07 06:58:26,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d955102d/45cefb66f5584da49fd19024a3d3dae5 [2019-11-07 06:58:26,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:26,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:26,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:26,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:26,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:26,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:26" (1/1) ... [2019-11-07 06:58:26,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2941b594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:26, skipping insertion in model container [2019-11-07 06:58:26,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:26" (1/1) ... [2019-11-07 06:58:26,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:26,793 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:26,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:27,007 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:27,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:27,041 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:27,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27 WrapperNode [2019-11-07 06:58:27,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:27,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:27,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:27,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:27,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:27,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:27,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:27,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:27,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:27" (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 06:58:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:58:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 06:58:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:27,411 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:27,411 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:58:27,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:27 BoogieIcfgContainer [2019-11-07 06:58:27,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:27,416 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:27,417 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:27,417 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:27,423 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:27" (1/1) ... [2019-11-07 06:58:27,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:27,601 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:58:27,661 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:27,681 INFO L272 AbstractInterpreter]: Visited 16 different actions 49 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 114 root evaluator evaluations with a maximum evaluation depth of 5. Performed 114 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 2 different actions. Largest state had 12 variables. [2019-11-07 06:58:27,681 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:27,685 INFO L168 Benchmark]: Toolchain (without parser) took 924.49 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.7 MB in the beginning and 159.7 MB in the end (delta: -56.0 MB). Peak memory consumption was 613.8 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,686 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.16 ms. Allocated memory is still 145.8 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,689 INFO L168 Benchmark]: Boogie Preprocessor took 113.65 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 180.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,691 INFO L168 Benchmark]: RCFGBuilder took 256.89 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 168.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,692 INFO L168 Benchmark]: Abstract Interpretation took 264.91 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 159.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:27,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.16 ms. Allocated memory is still 145.8 MB. Free memory was 103.5 MB in the beginning and 94.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.65 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 180.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.89 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 168.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 264.91 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 159.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 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: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100