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/nla-digbench/cohencu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:45,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:45,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:45,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:45,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:45,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:45,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:45,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:45,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:45,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:45,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:45,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:45,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:45,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:45,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:45,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:45,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:45,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:45,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:45,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:45,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:45,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:45,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:45,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:45,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:45,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:45,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:45,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:45,734 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 04:44:45,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:45,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:45,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:45,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:45,753 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:45,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:45,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:45,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:45,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:45,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:45,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:45,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:45,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:45,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:45,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:45,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:45,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:45,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:45,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:45,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:45,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:45,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:45,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:45,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:45,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:45,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:45,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:45,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:45,759 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 04:44:46,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:46,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:46,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:46,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:46,084 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:46,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohencu.c [2019-10-15 04:44:46,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc23c045/8644ac9ee9e64799895f992279c047cb/FLAGa784c4afd [2019-10-15 04:44:46,641 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:46,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohencu.c [2019-10-15 04:44:46,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc23c045/8644ac9ee9e64799895f992279c047cb/FLAGa784c4afd [2019-10-15 04:44:46,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc23c045/8644ac9ee9e64799895f992279c047cb [2019-10-15 04:44:47,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:47,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:47,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:47,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:47,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:47,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:46" (1/1) ... [2019-10-15 04:44:47,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fc0240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47, skipping insertion in model container [2019-10-15 04:44:47,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:46" (1/1) ... [2019-10-15 04:44:47,018 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:47,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:47,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:47,242 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:47,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:47,279 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:47,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47 WrapperNode [2019-10-15 04:44:47,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:47,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:47,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:47,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:47,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:47,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:47,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:47,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:47,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:47" (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 04:44:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:47,679 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:47,680 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:47,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:47 BoogieIcfgContainer [2019-10-15 04:44:47,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:47,691 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:47,691 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:47,692 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:47,694 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:47" (1/1) ... [2019-10-15 04:44:47,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:47,886 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:47,911 INFO L272 AbstractInterpreter]: Visited 18 different actions 24 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 9. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 7 variables. [2019-10-15 04:44:47,911 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:47,914 INFO L168 Benchmark]: Toolchain (without parser) took 911.03 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 158.4 MB in the end (delta: -57.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:47,915 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:47,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.25 ms. Allocated memory is still 144.7 MB. Free memory was 100.8 MB in the beginning and 90.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:47,917 INFO L168 Benchmark]: Boogie Preprocessor took 115.71 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.6 MB in the beginning and 180.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:47,918 INFO L168 Benchmark]: RCFGBuilder took 285.63 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 167.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:47,919 INFO L168 Benchmark]: Abstract Interpretation took 220.20 ms. Allocated memory is still 201.9 MB. Free memory was 166.8 MB in the beginning and 158.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:47,923 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 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.25 ms. Allocated memory is still 144.7 MB. Free memory was 100.8 MB in the beginning and 90.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.71 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.6 MB in the beginning and 180.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 285.63 ms. Allocated memory is still 201.9 MB. Free memory was 180.0 MB in the beginning and 167.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 220.20 ms. Allocated memory is still 201.9 MB. Free memory was 166.8 MB in the beginning and 158.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: 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: [L18] int a, n, x, y, z; [L19] a = __VERIFIER_nondet_int() [L20] n = 0 [L21] x = 0 [L22] y = 1 [L23] z = 6 [L25] COND TRUE 1 [L26] CALL __VERIFIER_assert(z == 6 * n + 6) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...