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/bresenham.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:34,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:34,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:34,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:39:34,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:39:34,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:39:34,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:39:34,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:39:34,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:39:34,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:39:34,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:39:34,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-10-14 00:39:34,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:34,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:34,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:34,922 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 [2019-10-14 00:39:34,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:34,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:34,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:34,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:34,948 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:34,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:34,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:34,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:34,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:34,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:34,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:34,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:34,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:34,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:34,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:34,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:34,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:34,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:34,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:34,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:34,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:34,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:34,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:34,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:34,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:34,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:34,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:34,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:34,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:35,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:35,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:35,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:35,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:35,263 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:35,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/bresenham.c [2019-10-14 00:39:35,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633f62622/50d42e269a654f57b01f2b4a830d5d12/FLAG17e6c37c1 [2019-10-14 00:39:35,833 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:35,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/bresenham.c [2019-10-14 00:39:35,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633f62622/50d42e269a654f57b01f2b4a830d5d12/FLAG17e6c37c1 [2019-10-14 00:39:36,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633f62622/50d42e269a654f57b01f2b4a830d5d12 [2019-10-14 00:39:36,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:36,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:36,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:36,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:36,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:36,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a96d363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36, skipping insertion in model container [2019-10-14 00:39:36,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:36,307 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:36,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:36,493 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:36,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:36,523 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:36,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36 WrapperNode [2019-10-14 00:39:36,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:36,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:36,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:36,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:36,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:36,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:36,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:36,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:36,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:36" (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 [2019-10-14 00:39:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:39:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:36,900 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:36,901 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:39:36,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:36 BoogieIcfgContainer [2019-10-14 00:39:36,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:36,903 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:36,903 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:36,903 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:36,904 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:36" (1/1) ... [2019-10-14 00:39:36,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:37,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:37,150 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Never found a fixpoint. Largest state had 10 variables. [2019-10-14 00:39:37,150 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:37,154 INFO L168 Benchmark]: Toolchain (without parser) took 888.79 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 156.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 633.4 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,155 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.70 ms. Allocated memory is still 142.6 MB. Free memory was 100.2 MB in the beginning and 90.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,157 INFO L168 Benchmark]: Boogie Preprocessor took 122.11 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 90.5 MB in the beginning and 177.9 MB in the end (delta: -87.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,159 INFO L168 Benchmark]: RCFGBuilder took 255.98 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 165.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,160 INFO L168 Benchmark]: Abstract Interpretation took 247.73 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 156.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:37,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.70 ms. Allocated memory is still 142.6 MB. Free memory was 100.2 MB in the beginning and 90.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.11 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 90.5 MB in the beginning and 177.9 MB in the end (delta: -87.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.98 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 165.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 247.73 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 156.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 11]: 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: [L17] int X, Y; [L18] int v, x, y; [L19] X = __VERIFIER_nondet_int() [L20] Y = __VERIFIER_nondet_int() [L21] v = 2 * Y - X [L22] y = 0 [L23] x = 0 [L25] COND TRUE 1 [L26] CALL __VERIFIER_assert(2*Y*x - 2*X*y - X + 2*Y - v == 0) [L9] COND TRUE !(cond) [L11] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...