/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/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:22,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:22,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:23,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:23,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:23,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:23,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:23,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:23,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:23,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:23,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:23,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:58:23,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:58:23,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:58:23,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:58:23,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:58:23,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:58:23,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:58:23,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:58:23,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:58:23,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:58:23,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:58:23,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:58:23,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:58:23,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:58:23,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:23,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:23,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:23,079 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 06:58:23,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:23,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:23,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:23,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:23,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:23,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:23,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:23,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:23,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:23,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:23,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:23,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:23,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:23,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:23,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:23,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:23,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:23,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:23,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:23,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:23,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:23,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:23,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:23,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:23,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:23,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:23,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:23,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:23,124 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 06:58:23,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:23,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:23,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:23,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:23,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:23,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2019-11-07 06:58:23,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9812ac524/9625a4b5161c499ba7022ec31a7ab6e6/FLAG74fe2ece4 [2019-11-07 06:58:23,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:23,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2019-11-07 06:58:23,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9812ac524/9625a4b5161c499ba7022ec31a7ab6e6/FLAG74fe2ece4 [2019-11-07 06:58:24,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9812ac524/9625a4b5161c499ba7022ec31a7ab6e6 [2019-11-07 06:58:24,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:24,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:24,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:24,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:24,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:24,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ae6286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24, skipping insertion in model container [2019-11-07 06:58:24,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:24,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:24,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:24,671 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:24,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:24,713 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:24,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24 WrapperNode [2019-11-07 06:58:24,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:24,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:24,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:24,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:24,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (1/1) ... [2019-11-07 06:58:24,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:24,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:24,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:24,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:24,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:24" (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 06:58:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:58:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 06:58:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:25,096 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:25,097 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:58:25,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:25 BoogieIcfgContainer [2019-11-07 06:58:25,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:25,099 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:25,099 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:25,099 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:25,100 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:25" (1/1) ... [2019-11-07 06:58:25,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:25,204 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:58:25,531 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:25,565 INFO L272 AbstractInterpreter]: Visited 16 different actions 82 times. Merged at 2 different actions 12 times. Widened at 1 different actions 2 times. Performed 111 root evaluator evaluations with a maximum evaluation depth of 8. Performed 111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 8 variables. [2019-11-07 06:58:25,565 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:25,572 INFO L168 Benchmark]: Toolchain (without parser) took 1177.13 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 101.4 MB in the beginning and 132.1 MB in the end (delta: -30.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,574 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.21 ms. Allocated memory is still 143.7 MB. Free memory was 101.2 MB in the beginning and 92.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,578 INFO L168 Benchmark]: Boogie Preprocessor took 156.81 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 92.0 MB in the beginning and 181.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,581 INFO L168 Benchmark]: RCFGBuilder took 226.46 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 170.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,581 INFO L168 Benchmark]: Abstract Interpretation took 466.54 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 132.1 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:25,593 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 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 318.21 ms. Allocated memory is still 143.7 MB. Free memory was 101.2 MB in the beginning and 92.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.81 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 92.0 MB in the beginning and 181.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.46 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 170.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 466.54 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 132.1 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: 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: [L10] unsigned int sn=0; [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L12] unsigned int x=0; [L13] COND TRUE 1 [L14] sn = sn + (2) [L15] x++ [L16] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...