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-new/half.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:24,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:24,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:24,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:24,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:24,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:24,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:24,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:24,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:24,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:24,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:24,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:24,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:24,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:24,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:24,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:24,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:24,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:24,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:24,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:24,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:24,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:24,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:24,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:24,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:24,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:24,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:24,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:24,752 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 04:44:24,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:24,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:24,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:24,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:24,767 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:24,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:24,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:24,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:24,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:24,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:24,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:24,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:24,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:24,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:24,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:24,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:24,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:24,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:24,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:24,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:24,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:24,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:24,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:24,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:24,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:24,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:24,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:24,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:24,772 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 04:44:25,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:25,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:25,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:25,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:25,051 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:25,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/half.i [2019-10-15 04:44:25,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a18aa6a1/8abf5d0736794438a224a377ea511c17/FLAG7bed7ad7e [2019-10-15 04:44:25,575 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:25,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/half.i [2019-10-15 04:44:25,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a18aa6a1/8abf5d0736794438a224a377ea511c17/FLAG7bed7ad7e [2019-10-15 04:44:25,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a18aa6a1/8abf5d0736794438a224a377ea511c17 [2019-10-15 04:44:26,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:26,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:26,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:26,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:26,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:26,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:26,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d67ed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26, skipping insertion in model container [2019-10-15 04:44:26,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:25" (1/1) ... [2019-10-15 04:44:26,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:26,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:26,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:26,222 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:26,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:26,249 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:26,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26 WrapperNode [2019-10-15 04:44:26,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:26,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:26,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:26,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:26,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:26,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:26,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:26,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:26,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:26" (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 04:44:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:26,599 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:26,599 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:26,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:26 BoogieIcfgContainer [2019-10-15 04:44:26,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:26,601 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:26,601 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:26,602 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:26,603 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:26" (1/1) ... [2019-10-15 04:44:26,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:26,764 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:27,270 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:27,302 INFO L272 AbstractInterpreter]: Visited 25 different actions 133 times. Merged at 8 different actions 48 times. Widened at 1 different actions 4 times. Performed 182 root evaluator evaluations with a maximum evaluation depth of 10. Performed 182 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 15 fixpoints after 4 different actions. Largest state had 7 variables. [2019-10-15 04:44:27,303 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:27,314 INFO L168 Benchmark]: Toolchain (without parser) took 1303.30 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 103.1 MB in the beginning and 197.4 MB in the end (delta: -94.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,316 INFO L168 Benchmark]: CDTParser took 0.17 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.77 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 93.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,320 INFO L168 Benchmark]: Boogie Preprocessor took 108.57 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.6 MB in the beginning and 180.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,321 INFO L168 Benchmark]: RCFGBuilder took 241.20 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 168.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,323 INFO L168 Benchmark]: Abstract Interpretation took 701.57 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 168.8 MB in the beginning and 197.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:27,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.77 ms. Allocated memory is still 138.4 MB. Free memory was 102.9 MB in the beginning and 93.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.57 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.6 MB in the beginning and 180.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.20 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 168.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 701.57 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 168.8 MB in the beginning and 197.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 5.0 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 i = 0; [L12] int n = 0; [L13] int k = __VERIFIER_nondet_int(); [L14] COND FALSE !(!(k <= 1000000 && k >= -1000000)) [L15] i = 0 [L15] COND FALSE !(i < 2*k) [L20] CALL __VERIFIER_assert(k < 0 || n == k) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...